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merging.

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This commit is contained in:
Alexey Botchkov
2011-11-12 19:56:29 +04:00
parent 45bb808c7e db0aed9348
commit 7c7269d372
568 changed files with 47094 additions and 11251 deletions
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12
mysql-test/extra/rpl_tests/rpl_row_annotate.test
View File

@ -1,8 +1,8 @@
########################################################################
# WL47: Store in binlog text of statements that caused RBR events
# new event : ANNOTATE_ROWS_EVENT
# new master option : --binlog-annotate-rows-events
# new slave option : --replicate-annotate-rows-events
# new master option : --binlog-annotate-row-events
# new slave option : --replicate-annotate-row-events
########################################################################
--source include/master-slave.inc
connect (master2,127.0.0.1,root,,test,$MASTER_MYPORT,);
@ -29,11 +29,11 @@ CREATE TABLE t5 (
b VARCHAR(10) CHARACTER SET utf8 COLLATE utf8_bin
);
SET SESSION binlog_annotate_rows_events = OFF;
SET SESSION binlog_annotate_row_events = OFF;
INSERT INTO t1 VALUES (0,0), (1,1);
SET SESSION binlog_annotate_rows_events = ON;
SET SESSION binlog_annotate_row_events = ON;
UPDATE t1 SET b = b + 1;
REPLACE t1 VALUES (1,1), (2,2), (3,3);
@ -84,7 +84,7 @@ SELECT * FROM t5 ORDER BY a;
--echo ########################################################################
--echo # EVENTS ON SLAVE
let $annotate= `select @@global.replicate_annotate_rows_events`;
let $annotate= `select @@global.replicate_annotate_row_events`;
if ($annotate)
{
--echo # The following Annotate_rows events should appear below:
@ -116,7 +116,7 @@ let $start_pos= `select @binlog_start_pos`;
--echo # INSERTs DELAYED ON MASTERs
--echo ########################################################################
connection master;
SET SESSION binlog_annotate_rows_events = ON;
SET SESSION binlog_annotate_row_events = ON;
INSERT DELAYED INTO test1.t4 VALUES (1,1);
FLUSH TABLES;
SELECT * FROM test1.t4 ORDER BY a;

27
mysql-test/extra/rpl_tests/rpl_row_func003.test
View File

@ -47,17 +47,9 @@ delimiter ;|
--disable_warnings
INSERT INTO test.t1 VALUES (null,test.f1()),(null,test.f1()),(null,test.f1());
sleep 6;
INSERT INTO test.t1 VALUES (null,test.f1()),(null,test.f1()),(null,test.f1());
sleep 6;
--enable_warnings
#Select in this test are used for debugging
#select * from test.t1;
#connection slave;
#select * from test.t1;
connection master;
SET AUTOCOMMIT=0;
START TRANSACTION;
--disable_warnings
@ -65,18 +57,14 @@ INSERT INTO test.t1 VALUES (null,test.f1());
--enable_warnings
ROLLBACK;
SET AUTOCOMMIT=1;
#select * from test.t1;
#sleep 6;
#connection slave;
#select * from test.t1;
# Sync master and slave for all engines except NDB
if (`SELECT UPPER(LEFT('$engine_type', 3)) != 'NDB'`) {
sync_slave_with_master;
connection master;
}
#connection master;
#used for debugging
#show binlog events;
# time to dump the databases and so we can see if they match
# Time to dump the databases and so we can see if they match
--exec $MYSQL_DUMP --compact --order-by-primary --skip-extended-insert --no-create-info test > $MYSQLTEST_VARDIR/tmp/func003_master.sql
--exec $MYSQL_DUMP_SLAVE --compact --order-by-primary --skip-extended-insert --no-create-info test > $MYSQLTEST_VARDIR/tmp/func003_slave.sql
@ -93,5 +81,8 @@ DROP TABLE test.t1;
diff_files $MYSQLTEST_VARDIR/tmp/func003_master.sql $MYSQLTEST_VARDIR/tmp/func003_slave.sql;
# Clean up
remove_file $MYSQLTEST_VARDIR/tmp/func003_master.sql;
remove_file $MYSQLTEST_VARDIR/tmp/func003_slave.sql;
# End of 5.0 test case

2
mysql-test/include/default_mysqld.cnf
View File

@ -15,6 +15,8 @@ max_heap_table_size= 1M
loose-skip-innodb
loose-skip-pbxt
loose-skip-feedback
loose-feedback-user-info= mysql-test
loose-innodb_data_file_path= ibdata1:10M:autoextend

519
mysql-test/include/icp_tests.inc
View File

@ -86,6 +86,152 @@ SELECT * FROM t1 WHERE c2 <=> NULL ORDER BY c1,c2 LIMIT 2;
--echo
DROP TABLE t1;
--echo #
--echo # Bug#43617 - Innodb returns wrong results with timestamp's range value
--echo # in IN clause
--echo # (Note: Fixed by patch for BUG#42580)
--echo #
CREATE TABLE t1(
c1 TIMESTAMP NOT NULL,
c2 TIMESTAMP NULL,
c3 DATE,
c4 DATETIME,
PRIMARY KEY(c1),
UNIQUE INDEX(c2)
);
INSERT INTO t1 VALUES
('0000-00-00 00:00:00','0000-00-00 00:00:00','2008-01-04','2008-01-05 00:00:00'),
('1971-01-01 00:00:01','1980-01-01 00:00:01','2009-01-01','2009-01-02 00:00:00'),
('1999-01-01 00:00:00','1999-01-01 00:00:00', NULL, NULL),
('2007-05-23 09:15:28','2007-05-23 09:15:28','2007-05-24','2007-05-24 09:15:28'),
('2007-05-27 00:00:00','2007-05-25 00:00:00','2007-05-26','2007-05-26 00:00:00'),
('2008-01-01 00:00:00', NULL, '2008-01-02','2008-01-03 00:00:00'),
('2009-01-29 11:11:27','2009-01-29 11:11:27','2009-01-29','2009-01-29 11:11:27'),
('2038-01-09 03:14:07','2038-01-09 03:14:07','2009-01-05','2009-01-06 00:00:00');
--echo
SELECT *
FROM t1
WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07')
ORDER BY c2;
--echo
SELECT *
FROM t1
WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07')
ORDER BY c2 LIMIT 2;
--echo
SELECT *
FROM t1
WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07')
ORDER BY c2 DESC;
--echo
SELECT *
FROM t1
WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07')
ORDER BY c2 DESC LIMIT 2;
--echo
DROP TABLE t1;
--echo #
--echo # BUG#43618: MyISAM&Maria returns wrong results with 'between'
--echo # on timestamp
--echo #
CREATE TABLE t1(
ts TIMESTAMP NOT NULL,
c char NULL,
PRIMARY KEY(ts)
);
INSERT INTO t1 VALUES
('1971-01-01','a'),
('2007-05-25','b'),
('2008-01-01','c'),
('2038-01-09','d');
--disable_warnings
--echo
--echo # Execute select with invalid timestamp, desc ordering
SELECT *
FROM t1
WHERE ts BETWEEN '0000-00-00' AND '2010-00-01 00:00:00'
ORDER BY ts DESC
LIMIT 2;
--echo
--echo # Should use index condition
EXPLAIN
SELECT *
FROM t1
WHERE ts BETWEEN '0000-00-00' AND '2010-00-01 00:00:00'
ORDER BY ts DESC
LIMIT 2;
--echo
--enable_warnings
DROP TABLE t1;
--echo #
--echo # BUG#49906: Assertion failed - Field_varstring::val_str in field.cc
--echo # (Note: Fixed by patch for LP BUG#625841)
--echo #
CREATE TABLE t1 (
f1 VARCHAR(1024),
f2 VARCHAR(10),
INDEX test_idx USING BTREE (f2,f1(5))
);
INSERT INTO t1 VALUES ('a','c'), ('b','d');
SELECT f1
FROM t1
WHERE f2 LIKE 'd'
ORDER BY f1;
DROP TABLE t1;
--echo #
--echo # Bug#52660 - "Perf. regr. using ICP for MyISAM on range queries on
--echo # an index containing TEXT"
--echo #
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
CREATE TABLE t2 (a INT);
INSERT INTO t2 SELECT A.a + 10*(B.a) FROM t1 A, t1 B;
CREATE TABLE t3 (
c1 TINYTEXT NOT NULL,
i1 INT NOT NULL,
KEY (c1(6),i1)
);
INSERT INTO t3 SELECT CONCAT('c-',1000+t2.a,'=w'), 1 FROM t2;
EXPLAIN
SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w';
SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w';
EXPLAIN
SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w' and i1 > 2;
SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w' and i1 > 2;
EXPLAIN
SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w' or i1 > 2;
SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w' or i1 > 2;
DROP TABLE t1, t2, t3;
--echo #
--echo # Bug#40992 - InnoDB: Crash when engine_condition_pushdown is on
--echo #
@ -102,6 +248,7 @@ SELECT * FROM t WHERE a > 2 FOR UPDATE;
DROP TABLE t;
--echo #
--echo # Bug#35080 - Innodb crash at mem_block_get_len line 72
--echo #
@ -225,3 +372,375 @@ SELECT COUNT(*) FROM t3;
DROP PROCEDURE insert_data;
DROP TABLE t1, t2, t3;
--echo #
--echo # Bug#57372 "Multi-table updates and deletes fail when running with ICP
--echo # against InnoDB"
--echo #
CREATE TABLE t1 (
a INT KEY,
b INT
);
CREATE TABLE t2 (
a INT KEY,
b INT
);
INSERT INTO t1 VALUES (1, 101), (2, 102), (3, 103), (4, 104), (5, 105);
INSERT INTO t2 VALUES (1, 1), (2, 2), (3, 3), (4, 4), (5, 5);
UPDATE t1, t2
SET t1.a = t1.a + 100, t2.b = t1.a + 10
WHERE t1.a BETWEEN 2 AND 4 AND t2.a = t1.b - 100;
--sorted_result
SELECT * FROM t1;
--sorted_result
SELECT * FROM t2;
DROP TABLE t1, t2;
--echo #
--echo # Bug#52605 - "Adding LIMIT 1 clause to query with complex range
--echo # predicate causes wrong results"
--echo #
CREATE TABLE t1 (
pk INT NOT NULL,
c1 INT,
PRIMARY KEY (pk),
KEY k1 (c1)
);
INSERT INTO t1 VALUES (1,NULL);
INSERT INTO t1 VALUES (2,6);
INSERT INTO t1 VALUES (3,NULL);
INSERT INTO t1 VALUES (4,6);
INSERT INTO t1 VALUES (5,NULL);
INSERT INTO t1 VALUES (6,NULL);
INSERT INTO t1 VALUES (7,9);
INSERT INTO t1 VALUES (8,0);
SELECT pk, c1
FROM t1
WHERE (pk BETWEEN 4 AND 5 OR pk < 2) AND c1 < 240
ORDER BY c1
LIMIT 1;
EXPLAIN SELECT pk, c1
FROM t1
WHERE (pk BETWEEN 4 AND 5 OR pk < 2) AND c1 < 240
ORDER BY c1
LIMIT 1;
DROP TABLE t1;
--echo #
--echo # Bug#59259 "Incorrect rows returned for a correlated subquery
--echo # when ICP is on"
--echo #
CREATE TABLE t1 (pk INTEGER PRIMARY KEY, i INTEGER NOT NULL) ENGINE=InnoDB;
INSERT INTO t1 VALUES (11,0);
INSERT INTO t1 VALUES (12,5);
INSERT INTO t1 VALUES (15,0);
CREATE TABLE t2 (pk INTEGER PRIMARY KEY, i INTEGER NOT NULL) ENGINE=InnoDB;
INSERT INTO t2 VALUES (11,1);
INSERT INTO t2 VALUES (12,2);
INSERT INTO t2 VALUES (15,4);
set @save_optimizer_switch= @@optimizer_switch;
set optimizer_switch='semijoin=off';
EXPLAIN
SELECT * FROM t1
WHERE pk IN (SELECT it.pk FROM t2 JOIN t2 AS it ON it.i=it.i WHERE it.pk-t1.i<10);
SELECT * FROM t1
WHERE pk IN (SELECT it.pk FROM t2 JOIN t2 AS it ON it.i=it.i WHERE it.pk-t1.i<10);
set optimizer_switch=@save_optimizer_switch;
DROP TABLE t1, t2;
--echo #
--echo # Bug #58816 "Extra temporary duplicate rows in result set when
--echo # switching ICP off"
--echo #
set @save_optimizer_switch= @@optimizer_switch;
CREATE TABLE t1 (
pk INT NOT NULL,
c1 INT NOT NULL,
PRIMARY KEY (pk)
);
INSERT INTO t1 VALUES (1,9),(2,7),(3,6),(4,3),(5,1);
EXPLAIN SELECT pk, c1 FROM t1 WHERE pk <> 3;
SET SESSION optimizer_switch='index_condition_pushdown=off';
SELECT pk, c1 FROM t1 WHERE pk <> 3;
DROP TABLE t1;
set optimizer_switch= @save_optimizer_switch;
--echo #
--echo # Bug#58837: ICP crash or valgrind error due to uninitialized
--echo # value in innobase_index_cond
--echo #
CREATE TABLE t1 (
t1_int INT,
t1_time TIME
);
CREATE TABLE t2 (
t2_int int PRIMARY KEY,
t2_int2 INT
);
--disable_warnings
INSERT INTO t2 VALUES ();
INSERT INTO t1 VALUES ();
--enable_warnings
SELECT * FROM t1 AS t1a
WHERE NOT EXISTS (SELECT * FROM t1 AS t1b
WHERE t1b.t1_int NOT IN
(SELECT t2.t2_int FROM t2
WHERE t1b.t1_time LIKE t1b.t1_int
OR t1b.t1_time <> t2.t2_int2
AND 6=7));
DROP TABLE t1,t2;
--echo #
--echo # Bug#59186: Wrong results of join when ICP is enabled
--echo # (fixed by the patch for LP bug #694092)
--echo #
CREATE TABLE t1 (
pk INTEGER NOT NULL,
c1 VARCHAR(3) NOT NULL,
PRIMARY KEY (pk)
);
INSERT INTO t1 VALUES (1,'y'),(0,'or');
CREATE TABLE t2 (
pk INTEGER NOT NULL,
c1 VARCHAR(3) NOT NULL,
c2 VARCHAR(6) NOT NULL,
PRIMARY KEY (pk)
);
INSERT INTO t2 VALUES (6,'y','RPOYT'),(10,'m','JINQE');
EXPLAIN
SELECT c2 FROM t1 JOIN t2 ON t1.c1 = t2.c1
WHERE (t2.pk <= 4 AND t1.pk IN (2,1)) OR
(t1.pk > 1 AND t2.pk BETWEEN 6 AND 6);
SELECT c2 FROM t1 JOIN t2 ON t1.c1 = t2.c1
WHERE (t2.pk <= 4 AND t1.pk IN (2,1)) OR
(t1.pk > 1 AND t2.pk BETWEEN 6 AND 6);
DROP TABLE t1, t2;
--echo #
--echo # Bug#58838: "Wrong results with HAVING + LIMIT without GROUP BY when
--echo # ICP is enabled".
--echo # (Fixed by the patches for LP bugs #668644, #702322)
--echo #
CREATE TABLE t1 (
pk INT NOT NULL,
c1 INT,
PRIMARY KEY (pk),
KEY col_int_key (c1)
);
INSERT INTO t1 VALUES (1,37),(2,8),(3,-25),(4,NULL),(5,55);
SELECT pk FROM t1 WHERE c1 <> 1 HAVING pk = 3 ORDER BY pk LIMIT 0;
SELECT pk FROM t1 WHERE c1 <> 1 HAVING pk = 3 ORDER BY pk LIMIT 1;
SELECT pk FROM t1 WHERE c1 <> 1 HAVING pk = 3 ORDER BY pk LIMIT 2;
SELECT pk FROM t1 WHERE c1 <> 1 HAVING pk = 3 ORDER BY pk LIMIT 5;
DROP TABLE t1;
--echo #
--echo # Bug#59483 "Crash on INSERT/REPLACE in
--echo # rec_convert_dtuple_to_rec_comp with ICP on"
--echo #
CREATE TABLE t1 (
pk INTEGER AUTO_INCREMENT PRIMARY KEY,
i1 INTEGER,
c1 CHAR(6),
i2 INTEGER NOT NULL,
KEY (i2)
);
INSERT INTO t1 VALUES
(NULL, 4, 'that', 8),
(NULL, 1, 'she', 6),
(NULL, 6, 'tell', 2);
SELECT * FROM t1 WHERE i2 IN (3, 6) LIMIT 2 FOR UPDATE;
INSERT INTO t1 (i2) VALUES (1);
DROP TABLE t1;
--echo #
--echo # Bug #11766678 - 59843:
--echo # USING UNINITIALISED VALUE IN USES_INDEX_FIELDS_ONLY
--echo #
CREATE TABLE t1 (
col999 FLOAT NOT NULL,
COL1000 VARBINARY(179) NOT NULL,
col1003 DATE DEFAULT NULL,
KEY idx4267 (col1000, col1003)
);
INSERT INTO t1 VALUES (),();
SELECT col999 FROM t1 WHERE col1000 = "3" AND col1003 <=> sysdate();
DROP TABLE t1;
--echo #
--echo # BUG#12822678 - ICP WITH STRAIGHT_JOIN
--echo #
CREATE TABLE t1 (
i1 INTEGER NOT NULL,
d1 DOUBLE,
KEY k1 (d1)
);
INSERT INTO t1 VALUES (10,1), (17,NULL), (22,NULL);
CREATE TABLE t2 (
pk INTEGER NOT NULL,
i1 INTEGER NOT NULL,
PRIMARY KEY (pk)
);
INSERT INTO t2 VALUES (4,1);
EXPLAIN
SELECT t1.d1, t2.pk, t2.i1 FROM t1 STRAIGHT_JOIN t2 ON t2.i1
WHERE t2.pk <> t1.d1 AND t2.pk = 4;
SELECT t1.d1, t2.pk, t2.i1 FROM t1 STRAIGHT_JOIN t2 ON t2.i1
WHERE t2.pk <> t1.d1 AND t2.pk = 4;
DROP TABLE t1, t2;
--echo #
--echo # BUG#778434 Wrong result with in_to_exists=on in maria-5.3-mwl89
--echo #
CREATE TABLE t1 ( f11 int) ;
INSERT IGNORE INTO t1 VALUES (0);
CREATE TABLE t2 ( f10 int) ;
INSERT IGNORE INTO t2 VALUES (0);
CREATE TABLE t3 ( f1 int NOT NULL , f10 int, PRIMARY KEY (f1)) ;
INSERT IGNORE INTO t3 VALUES (6,0),(10,0);
CREATE TABLE t4 ( f11 int) ;
INSERT IGNORE INTO t4 VALUES
(0),(0),(0),(0),(0),(0),(0),(0),(0),(0),(NULL),
(0),(0),(0),(0),(0),(0),(0),(0),(0),(0);
set @tmp_778434=@@optimizer_switch;
SET optimizer_switch='materialization=off,in_to_exists=on,subquery_cache=off,semijoin=off';
SELECT * FROM t1 INNER JOIN t2 ON t2.f10 = t1.f11
WHERE (6, 234) IN (
SELECT t3.f1, t3.f1
FROM t3 JOIN t4 ON t4.f11 = t3.f10
);
DROP TABLE t1,t2,t3,t4;
set optimizer_switch= @tmp_778434;
--echo #
--echo # Bug#885168: ICP for one index + potential ORDER BY for another
--echo #
CREATE TABLE t1 (a varchar(64), b varchar(10), INDEX(a), INDEX(b)) ;
INSERT INTO t1 VALUES
('Ohio','Iowa'), ('k','d'), ('bdkpj','mbdkpjdanp'), ('d','xdmbdkpjda'),
('fkxdmbdkpjdanpje','o'), ('f','Pennsylvan'), ('Virginia','ei');
SET SESSION optimizer_switch='index_condition_pushdown=off';
EXPLAIN
SELECT * FROM t1
WHERE NOT(b = 'Texas') AND b BETWEEN 'wy' AND 'y' OR b = 'Pennsylvania'
ORDER BY a;
SELECT * FROM t1
WHERE NOT(b = 'Texas') AND b BETWEEN 'wy' AND 'y' OR b = 'Pennsylvania'
ORDER BY a;
SET SESSION optimizer_switch='index_condition_pushdown=on';
EXPLAIN
SELECT * FROM t1
WHERE NOT(b = 'Texas') AND b BETWEEN 'wy' AND 'y' OR b = 'Pennsylvania'
ORDER BY a;
SELECT * FROM t1
WHERE NOT(b = 'Texas') AND b BETWEEN 'wy' AND 'y' OR b = 'Pennsylvania'
ORDER BY a;
DROP TABLE t1;
--echo #
--echo # Bug#886145: join with ICP + ORDER BY
--echo #
CREATE TABLE t1 (b int NOT NULL, c int, a varchar(1024), PRIMARY KEY (b));
INSERT INTO t1 VALUES (1,4,'Ill');
CREATE TABLE t2 (a varchar(1024), KEY (a(512)));
INSERT INTO t2 VALUES
('Ill'), ('eckqzsflbzaffti'), ('w'), ('she'), ('gxbwypqtjzwywwer'), ('w');
SET SESSION optimizer_switch='index_condition_pushdown=off';
EXPLAIN
SELECT t1.b, t1.c FROM t1, t2 WHERE t1.a = t2.a AND t1.b != 0
HAVING t1.c != 5 ORDER BY t1.c;
SELECT t1.b, t1.c FROM t1, t2 WHERE t1.a = t2.a AND t1.b != 0
HAVING t1.c != 5 ORDER BY t1.c;
SET SESSION optimizer_switch='index_condition_pushdown=on';
EXPLAIN
SELECT t1.b, t1.c FROM t1, t2 WHERE t1.a = t2.a AND t1.b != 0
HAVING t1.c != 5 ORDER BY t1.c;
SELECT t1.b, t1.c FROM t1, t2 WHERE t1.a = t2.a AND t1.b != 0
HAVING t1.c != 5 ORDER BY t1.c;
DROP TABLE t1,t2;
--echo #
--echo # Bug#879871: InnoDB: possible ICP + GROUP BY primary index
--echo #
CREATE TABLE t1 (
a int NOT NULL, b int, c varchar(1), d varchar(1),
PRIMARY KEY (a), KEY c (c,b)
);
INSERT INTO t1 VALUES (10,8,'g','g');
SET SESSION optimizer_switch='index_condition_pushdown=off';
SELECT a FROM t1 WHERE c IS NULL AND d IS NOT NULL GROUP BY 1;
SET SESSION optimizer_switch='index_condition_pushdown=on';
SELECT a FROM t1 WHERE c IS NULL AND d IS NOT NULL GROUP BY 1;
DROP TABLE t1;

1
mysql-test/include/ps_query.inc
View File

@ -597,7 +597,6 @@ execute stmt1 using @arg00, @arg01, @arg02, @arg03, @arg04, @arg05, @arg06,
--enable_result_log
drop table t2 ;
##### test case derived from client_test.c: test_bug4079()
--error 1242
select 1 < (select a from t1) ;

160
mysql-test/lib/mtr_cases.pm
View File

@ -891,7 +891,8 @@ sub collect_one_test_case {
if ( -f "$testdir/$tname.slave-mi");
my @source_files = tags_from_test_file($tinfo,"$testdir/${tname}.test");
my ($master_opts, $slave_opts)=
tags_from_test_file($tinfo, "$testdir/${tname}.test", $suitedir);
# Get default storage engine from suite.opt file
@ -1059,16 +1060,8 @@ sub collect_one_test_case {
# ----------------------------------------------------------------------
# Append mysqld extra options to master and slave, as appropriate
# ----------------------------------------------------------------------
for (@source_files) {
s/\.\w+$//;
push @{$tinfo->{master_opt}}, opts_from_file("$_.opt");
push @{$tinfo->{slave_opt}}, opts_from_file("$_.opt");
push @{$tinfo->{master_opt}}, opts_from_file("$_-master.opt");
push @{$tinfo->{slave_opt}}, opts_from_file("$_-slave.opt");
}
push(@{$tinfo->{'master_opt'}}, @::opt_extra_mysqld_opt);
push(@{$tinfo->{'slave_opt'}}, @::opt_extra_mysqld_opt);
push @{$tinfo->{'master_opt'}}, @$master_opts, @::opt_extra_mysqld_opt;
push @{$tinfo->{'slave_opt'}}, @$slave_opts, @::opt_extra_mysqld_opt;
process_opts($tinfo, 'master_opt');
process_opts($tinfo, 'slave_opt');
@ -1077,74 +1070,113 @@ sub collect_one_test_case {
}
# List of tags in the .test files that if found should set
# the specified value in "tinfo"
my @tags=
(
["include/big_test.inc", "big_test", 1],
["include/have_debug.inc", "need_debug", 1],
["include/have_ndb.inc", "ndb_test", 1],
["include/have_multi_ndb.inc", "ndb_test", 1],
["include/master-slave.inc", "rpl_test", 1],
["include/ndb_master-slave.inc", "rpl_test", 1],
["include/ndb_master-slave.inc", "ndb_test", 1],
["include/not_embedded.inc", "not_embedded", 1],
["include/not_valgrind.inc", "not_valgrind", 1],
["include/have_example_plugin.inc", "example_plugin_test", 1],
["include/have_oqgraph_engine.inc", "oqgraph_test", 1],
["include/have_ssl.inc", "need_ssl", 1],
["include/long_test.inc", "long_test", 1],
);
my $tags_map= {'big_test' => ['big_test', 1],
'have_debug' => ['need_debug', 1],
'have_ndb' => ['ndb_test', 1],
'have_multi_ndb' => ['ndb_test', 1],
'master-slave' => ['rpl_test', 1],
'ndb_master-slave' => ['rpl_test', 1, 'ndb_test', 1],
'not_embedded' => ['not_embedded', 1],
'not_valgrind' => ['not_valgrind', 1],
'have_example_plugin' => ['example_plugin_test', 1],
'have_oqgraph_engine' => ['oqgraph_test', 1],
'have_ssl' => ['need_ssl', 1],
'long_test' => ['long_test', 1],
};
my $tags_regex_string= join('|', keys %$tags_map);
my $tags_regex= qr:include/($tags_regex_string)\.inc:o;
my $file_to_tags= { };
my $file_to_master_opts= { };
my $file_to_slave_opts= { };
sub tags_from_test_file {
my $tinfo= shift;
my $file= shift;
#mtr_verbose("$file");
my $F= IO::File->new($file) or mtr_error("can't open file \"$file\": $!");
my @all_files=($file);
# Get various tags from a file, recursively scanning also included files.
# And get options from .opt file, also recursively for included files.
# Return a list of [TAG_TO_SET, VALUE_TO_SET_TO] of found tags.
# Also returns lists of options for master and slave found in .opt files.
# Each include file is scanned only once, and subsequent calls just look up the
# cached result.
# We need to be a bit careful about speed here; previous version of this code
# took forever to scan the full test suite.
sub get_tags_from_file {
my ($file, $suitedir)= @_;
while ( my $line= <$F> )
return ($file_to_tags->{$file}, $file_to_master_opts->{$file},
$file_to_slave_opts->{$file})
if exists($file_to_tags->{$file});
my $F= IO::File->new($file)
or mtr_error("can't open file \"$file\": $!");
my $tags= [];
my $master_opts= [];
my $slave_opts= [];
while (my $line= <$F>)
{
# Ignore comments.
next if $line =~ /^\#/;
# Skip line if it start's with #
next if ( $line =~ /^#/ );
# Match this line against tag in "tags" array
foreach my $tag (@tags)
# Add any tag we find.
if ($line =~ /$tags_regex/o)
{
if ( index($line, $tag->[0]) >= 0 )
my $to_set= $tags_map->{$1};
for (my $i= 0; $i < @$to_set; $i+= 2)
{
# Tag matched, assign value to "tinfo"
$tinfo->{"$tag->[1]"}= $tag->[2];
push @$tags, [$to_set->[$i], $to_set->[$i+1]];
}
}
# If test sources another file, open it as well
if ( $line =~ /^\-\-([[:space:]]*)source(.*)$/ or
$line =~ /^([[:space:]]*)source(.*);$/ )
# Check for a sourced include file.
if ($line =~ /^(--)?[[:space:]]*source[[:space:]]+([^;[:space:]]+)/)
{
my $value= $2;
$value =~ s/^\s+//; # Remove leading space
$value =~ s/[[:space:]]+$//; # Remove ending space
# Sourced file may exist relative to test or
# in global location
foreach my $sourced_file (dirname($file). "/$value",
"$::glob_mysql_test_dir/$value")
my $include= $2;
# Sourced file may exist relative to test file, or in global location.
# Note that for the purpose of tag collection we ignore
# non-existing files, and let mysqltest handle the error
# (e.g. mysqltest.test needs this)
for my $sourced_file (dirname($file) . '/' . $include,
$suitedir . '/' . $include,
$::glob_mysql_test_dir . '/' . $include)
{
if ( -f $sourced_file )
{
# Only source the file if it exists, we may get
# false positives in the regexes above if someone
# writes "source nnnn;" in a test case(such as mysqltest.test)
unshift @all_files, tags_from_test_file($tinfo, $sourced_file);
last;
}
if (-e $sourced_file)
{
my ($sub_tags, $sub_master_opts, $sub_slave_opts)=
get_tags_from_file($sourced_file, $suitedir);
push @$tags, @$sub_tags;
push @$master_opts, @$sub_master_opts;
push @$slave_opts, @$sub_slave_opts;
last;
}
}
}
}
@all_files;
# Add options from main file _after_ those of any includes; this allows a
# test file to override options set by includes (eg. rpl.rpl_ddl uses this
# to enable innodb, then disable innodb in the slave.
my $file_no_ext= $file;
$file_no_ext =~ s/\.\w+$//;
my @common_opts= opts_from_file("$file_no_ext.opt");
push @$master_opts, @common_opts, opts_from_file("$file_no_ext-master.opt");
push @$slave_opts, @common_opts, opts_from_file("$file_no_ext-slave.opt");
# Save results so we can reuse without parsing if seen again.
$file_to_tags->{$file}= $tags;
$file_to_master_opts->{$file}= $master_opts;
$file_to_slave_opts->{$file}= $slave_opts;
return ($tags, $master_opts, $slave_opts);
}
sub tags_from_test_file {
my ($tinfo, $file, $suitedir)= @_;
my ($tags, $master_opts, $slave_opts)= get_tags_from_file($file, $suitedir);
for (@$tags)
{
$tinfo->{$_->[0]}= $_->[1];
}
return ($master_opts, $slave_opts);
}
sub unspace {

14
mysql-test/lib/v1/mysql-test-run.pl
View File

@ -2372,8 +2372,11 @@ sub remove_stale_vardir () {
mtr_report("WARNING: Using the 'mysql-test/var' symlink");
# Make sure the directory where it points exist
mtr_error("The destination for symlink $opt_vardir does not exist")
if ! -d readlink($opt_vardir);
if (! -d readlink($opt_vardir))
{
mtr_report("The destination for symlink $opt_vardir does not exist; Removing it and creating a new var directory");
unlink($opt_vardir);
}
foreach my $bin ( glob("$opt_vardir/*") )
{
@ -2432,8 +2435,11 @@ sub setup_vardir() {
# it's a symlink
# Make sure the directory where it points exist
mtr_error("The destination for symlink $opt_vardir does not exist")
if ! -d readlink($opt_vardir);
if (! -d readlink($opt_vardir))
{
mtr_report("The destination for symlink $opt_vardir does not exist; Removing it and creating a new var directory");
unlink($opt_vardir);
}
}
elsif ( $opt_mem )
{

49
mysql-test/mysql-test-run.pl
View File

@ -2355,9 +2355,11 @@ sub remove_stale_vardir () {
mtr_report(" - WARNING: Using the 'mysql-test/var' symlink");
# Make sure the directory where it points exist
mtr_error("The destination for symlink $opt_vardir does not exist")
if ! -d readlink($opt_vardir);
if (! -d readlink($opt_vardir))
{
mtr_report("The destination for symlink $opt_vardir does not exist; Removing it and creating a new var directory");
unlink($opt_vardir);
}
foreach my $bin ( glob("$opt_vardir/*") )
{
mtr_verbose("Removing bin $bin");
@ -2424,8 +2426,11 @@ sub setup_vardir() {
# it's a symlink
# Make sure the directory where it points exist
mtr_error("The destination for symlink $opt_vardir does not exist")
if ! -d readlink($opt_vardir);
if (! -d readlink($opt_vardir))
{
mtr_report("The destination for symlink $opt_vardir does not exist; Removing it and creating a new var directory");
unlink($opt_vardir);
}
}
elsif ( $opt_mem )
{
@ -2876,7 +2881,6 @@ sub mysql_server_start($) {
}
if (-d $datadir ) {
preserve_error_log($mysqld);
mtr_verbose(" - removing '$datadir'");
rmtree($datadir);
}
@ -2905,7 +2909,6 @@ sub mysql_server_start($) {
unless -d $datadir;
}
restore_error_log($mysqld);
# Create the servers tmpdir
my $tmpdir= $mysqld->value('tmpdir');
@ -4223,30 +4226,6 @@ sub run_testcase ($$) {
}
# We want to preserve the error log between server restarts, as it may contain
# valuable debugging information even if there is no test failure recorded.
sub _preserve_error_log_names {
my ($mysqld)= @_;
my $error_log_file= $mysqld->if_exist('#log-error');
return (undef, undef) unless $error_log_file;
my $error_log_dir= dirname($error_log_file);
my $save_name= $error_log_dir ."/../". $mysqld->name() .".error.log";
return ($error_log_file, $save_name);
}
sub preserve_error_log {
my ($mysqld)= @_;
my ($error_log_file, $save_name)= _preserve_error_log_names($mysqld);
rename($error_log_file, $save_name) if $save_name;
# Ignore any errors, as it's just a best-effort to keep the log if possible.
}
sub restore_error_log {
my ($mysqld)= @_;
my ($error_log_file, $save_name)= _preserve_error_log_names($mysqld);
rename($save_name, $error_log_file) if $save_name;
}
# Keep track of last position in mysqld error log where we scanned for
# warnings, so we can attribute any warnings found to the correct test
# suite or server restart.
@ -4452,7 +4431,11 @@ sub extract_warning_lines ($$) {
qr|Checking table: '\./mtr/test_suppressions'|,
qr|Table \./test/bug53592 has a primary key in InnoDB data dictionary, but not in MySQL|,
qr|mysqld: Table '\./mtr/test_suppressions' is marked as crashed and should be repaired|,
qr|Can't open shared library.*ha_archive|,
qr|InnoDB: Error: table 'test/bug39438'|,
qr|Access denied for user|,
qr|Aborted connection|,
qr|table.*is full|,
);
my $matched_lines= [];
@ -4764,7 +4747,6 @@ sub clean_datadir {
for (all_servers())
{
preserve_error_log($_); # or at least, try to
my $dir= "$opt_vardir/".$_->{name};
mtr_verbose(" - removing '$dir'");
rmtree($dir);
@ -4957,14 +4939,13 @@ sub mysqld_arguments ($$$) {
if ( $opt_valgrind_mysqld )
{
mtr_add_arg($args, "--skip-safemalloc");
if ( $mysql_version_id < 50100 )
{
mtr_add_arg($args, "--skip-bdb");
}
}
mtr_add_arg($args, "--loose-skip-safemalloc");
mtr_add_arg($args, "%s--disable-sync-frm");
# Retry bind as this may fail on busy server
mtr_add_arg($args, "%s--port-open-timeout=10");

7
mysql-test/r/case.result
View File

@ -218,3 +218,10 @@ a d
3 11120436154190595086
drop table t1, t2;
End of 5.0 tests
create table t1 (f1 time);
insert t1 values ('00:00:00'),('00:01:00');
select case t1.f1 when '00:00:00' then 1 end from t1;
case t1.f1 when '00:00:00' then 1 end
1
NULL
drop table t1;

11
mysql-test/r/cast.result
View File

@ -105,9 +105,9 @@ cast("2011-02-03 10:11:12.123456" as datetime(6))
select cast("2011-02-03 10:11:12" as datetime(6));
cast("2011-02-03 10:11:12" as datetime(6))
2011-02-03 10:11:12.000000
select cast(cast(20010203101112.1 as double) as datetime(1));
cast(cast(20010203101112.1 as double) as datetime(1))
2001-02-03 10:11:12.1
select cast(cast(20010203101112.5 as double) as datetime(1));
cast(cast(20010203101112.5 as double) as datetime(1))
2001-02-03 10:11:12.5
select cast(cast(010203101112.12 as double) as datetime(2));
cast(cast(010203101112.12 as double) as datetime(2))
0001-02-03 10:11:12.12
@ -733,3 +733,8 @@ select cast(f1 as unsigned), cast(f2 as unsigned), cast(f3 as unsigned) from t1;
cast(f1 as unsigned) cast(f2 as unsigned) cast(f3 as unsigned)
112233 20111213 20111213112233
drop table t1;
SELECT CAST(TIME('10:20:30') AS DATE) + INTERVAL 1 DAY;
CAST(TIME('10:20:30') AS DATE) + INTERVAL 1 DAY
NULL
Warnings:
Warning 1292 Truncated incorrect date value: '0000-00-00'

14
mysql-test/r/comments.result
View File

@ -26,6 +26,20 @@ select 1 # The rest of the row will be ignored
1
1
/* line with only comment */;
select 1 /*M! +1 */;
1 +1
2
select 1 /*M!50000 +1 */;
1 +1
2
select 1 /*M!50300 +1 */;
1 +1
2
select 2 /*M!99999 +1 */;
2
2
select 2 /*M!0000 +1 */;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '0000 +1 */' at line 1
select 1/*!2*/;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '2*/' at line 1
select 1/*!000002*/;

12
mysql-test/r/create.result
View File

@ -104,7 +104,7 @@ insert into t1 (b) values ("hello"),("my"),("world");
create table t2 (key (b)) select * from t1;
explain select * from t2 where b="world";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ref B B 21 const 1 Using index condition
1 SIMPLE t2 ref B B 21 const 1 Using where
select * from t2 where b="world";
a B
3 world
@ -1760,7 +1760,10 @@ t1 CREATE TABLE `t1` (
`TIME` int(7) NOT NULL DEFAULT '0',
`STATE` varchar(64) DEFAULT NULL,
`INFO` longtext,
`TIME_MS` decimal(22,3) NOT NULL DEFAULT '0.000'
`TIME_MS` decimal(22,3) NOT NULL DEFAULT '0.000',
`STAGE` tinyint(2) NOT NULL DEFAULT '0',
`MAX_STAGE` tinyint(2) NOT NULL DEFAULT '0',
`PROGRESS` decimal(7,3) NOT NULL DEFAULT '0.000'
) DEFAULT CHARSET=utf8
drop table t1;
create temporary table t1 like information_schema.processlist;
@ -1775,7 +1778,10 @@ t1 CREATE TEMPORARY TABLE `t1` (
`TIME` int(7) NOT NULL DEFAULT '0',
`STATE` varchar(64) DEFAULT NULL,
`INFO` longtext,
`TIME_MS` decimal(22,3) NOT NULL DEFAULT '0.000'
`TIME_MS` decimal(22,3) NOT NULL DEFAULT '0.000',
`STAGE` tinyint(2) NOT NULL DEFAULT '0',
`MAX_STAGE` tinyint(2) NOT NULL DEFAULT '0',
`PROGRESS` decimal(7,3) NOT NULL DEFAULT '0.000'
) DEFAULT CHARSET=utf8
drop table t1;
create table t1 like information_schema.character_sets;

12
mysql-test/r/ctype_collate.result
View File

@ -566,31 +566,31 @@ INSERT INTO t1 VALUES ('i','i');
INSERT INTO t1 VALUES ('j','j');
EXPLAIN SELECT * FROM t1 WHERE s1='a';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref s1 s1 11 const 1 Using index condition
1 SIMPLE t1 ref s1 s1 11 const 1 Using where
EXPLAIN SELECT * FROM t1 WHERE s2='a';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref s2 s2 11 const 1 Using index condition
1 SIMPLE t1 ref s2 s2 11 const 1 Using where
EXPLAIN SELECT * FROM t1 WHERE s1='a' COLLATE latin1_german1_ci;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref s1 s1 11 const 1 Using index condition
1 SIMPLE t1 ref s1 s1 11 const 1 Using where
EXPLAIN SELECT * FROM t1 WHERE s2='a' COLLATE latin1_german1_ci;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL s2 NULL NULL NULL 10 Using where
EXPLAIN SELECT * FROM t1 WHERE s1 BETWEEN 'a' AND 'b' COLLATE latin1_german1_ci;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range s1 s1 11 NULL 2 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range s1 s1 11 NULL 2 Using where
EXPLAIN SELECT * FROM t1 WHERE s2 BETWEEN 'a' AND 'b' COLLATE latin1_german1_ci;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL s2 NULL NULL NULL 10 Using where
EXPLAIN SELECT * FROM t1 WHERE s1 IN ('a','b' COLLATE latin1_german1_ci);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range s1 s1 11 NULL 2 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range s1 s1 11 NULL 2 Using where
EXPLAIN SELECT * FROM t1 WHERE s2 IN ('a','b' COLLATE latin1_german1_ci);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL s2 NULL NULL NULL 10 Using where
EXPLAIN SELECT * FROM t1 WHERE s1 LIKE 'a' COLLATE latin1_german1_ci;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range s1 s1 11 NULL 1 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range s1 s1 11 NULL 1 Using where
EXPLAIN SELECT * FROM t1 WHERE s2 LIKE 'a' COLLATE latin1_german1_ci;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL s2 NULL NULL NULL 10 Using where

56
mysql-test/r/derived.result
View File

@ -57,8 +57,9 @@ a b a b
3 c 3 c
explain select * from t1 as x1, (select * from t1) as x2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE x1 ALL NULL NULL NULL NULL 4
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using join buffer (flat, BNL join)
1 PRIMARY x1 ALL NULL NULL NULL NULL 4
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 4 Using join buffer (flat, BNL join)
2 DERIVED t1 ALL NULL NULL NULL NULL 4
drop table if exists t2,t3;
select * from (select 1) as a;
1
@ -112,8 +113,9 @@ a b
3 c
explain select * from (select t1.*, t2.a as t2a from t1,t2 where t1.a=t2.a) t1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 system NULL NULL NULL NULL 1
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using where
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 4
2 DERIVED t2 system NULL NULL NULL NULL 1
2 DERIVED t1 ALL NULL NULL NULL NULL 4 Using where
drop table t1, t2;
create table t1(a int not null, t char(8), index(a));
SELECT * FROM (SELECT * FROM t1) as b ORDER BY a ASC LIMIT 0,20;
@ -140,7 +142,9 @@ a t
20 20
explain select count(*) from t1 as tt1, (select * from t1) as tt2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
1 PRIMARY tt1 index NULL a 4 NULL 10000 Using index
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 10000 Using join buffer (flat, BNL join)
2 DERIVED t1 ALL NULL NULL NULL NULL 10000
drop table t1;
SELECT * FROM (SELECT (SELECT * FROM (SELECT 1 as a) as a )) as b;
(SELECT * FROM (SELECT 1 as a) as a )
@ -169,30 +173,30 @@ insert into t1 values (NULL, 'a', 1), (NULL, 'b', 2), (NULL, 'c', 3), (NULL, 'd'
insert into t2 values (1, 100), (1, 101), (1, 102), (2, 100), (2, 103), (2, 104), (3, 101), (3, 102), (3, 105);
SELECT STRAIGHT_JOIN d.pla_id, m2.mat_id FROM t1 m2 INNER JOIN (SELECT mp.pla_id, MIN(m1.matintnum) AS matintnum FROM t2 mp INNER JOIN t1 m1 ON mp.mat_id=m1.mat_id GROUP BY mp.pla_id) d ON d.matintnum=m2.matintnum;
pla_id mat_id
102 1
101 1
100 1
104 2
101 1
102 1
103 2
104 2
105 3
SELECT STRAIGHT_JOIN d.pla_id, m2.test FROM t1 m2 INNER JOIN (SELECT mp.pla_id, MIN(m1.matintnum) AS matintnum FROM t2 mp INNER JOIN t1 m1 ON mp.mat_id=m1.mat_id GROUP BY mp.pla_id) d ON d.matintnum=m2.matintnum;
pla_id test
102 1
101 1
100 1
104 2
101 1
102 1
103 2
104 2
105 3
explain SELECT STRAIGHT_JOIN d.pla_id, m2.mat_id FROM t1 m2 INNER JOIN (SELECT mp.pla_id, MIN(m1.matintnum) AS matintnum FROM t2 mp INNER JOIN t1 m1 ON mp.mat_id=m1.mat_id GROUP BY mp.pla_id) d ON d.matintnum=m2.matintnum;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY m2 ALL NULL NULL NULL NULL 9
1 PRIMARY <derived2> ref key0 key0 7 test.m2.matintnum 2
1 PRIMARY <derived2> ALL NULL $hj 7 test.m2.matintnum 9 Using where
2 DERIVED mp ALL NULL NULL NULL NULL 9 Using temporary; Using filesort
2 DERIVED m1 eq_ref PRIMARY PRIMARY 3 test.mp.mat_id 1
explain SELECT STRAIGHT_JOIN d.pla_id, m2.test FROM t1 m2 INNER JOIN (SELECT mp.pla_id, MIN(m1.matintnum) AS matintnum FROM t2 mp INNER JOIN t1 m1 ON mp.mat_id=m1.mat_id GROUP BY mp.pla_id) d ON d.matintnum=m2.matintnum;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY m2 ALL NULL NULL NULL NULL 9
1 PRIMARY <derived2> ref key0 key0 7 test.m2.matintnum 2
1 PRIMARY <derived2> ALL NULL $hj 7 test.m2.matintnum 9 Using where
2 DERIVED mp ALL NULL NULL NULL NULL 9 Using temporary; Using filesort
2 DERIVED m1 eq_ref PRIMARY PRIMARY 3 test.mp.mat_id 1
drop table t1,t2;
@ -227,8 +231,9 @@ count(*)
2
explain select count(*) from t1 INNER JOIN (SELECT A.E1, A.E2, A.E3 FROM t1 AS A WHERE A.E3 = (SELECT MAX(B.E3) FROM t1 AS B WHERE A.E2 = B.E2)) AS THEMAX ON t1.E1 = THEMAX.E2 AND t1.E1 = t1.E2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE A ALL NULL NULL NULL NULL 2 Using where
1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.A.E2 1 Using where
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2
1 PRIMARY t1 eq_ref PRIMARY PRIMARY 4 THEMAX.E2 1 Using where
2 DERIVED A ALL NULL NULL NULL NULL 2 Using where
3 DEPENDENT SUBQUERY B ALL NULL NULL NULL NULL 2 Using where
drop table t1;
create table t1 (a int);
@ -318,7 +323,8 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index PRIMARY PRIMARY 4 NULL 2 Using where; Using index
explain select a from (select a from t2 where a>1) tt;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index PRIMARY PRIMARY 4 NULL 2 Using where; Using index
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2
2 DERIVED t2 index PRIMARY PRIMARY 4 NULL 2 Using where; Using index
drop table t2;
CREATE TABLE `t1` ( `itemid` int(11) NOT NULL default '0', `grpid` varchar(15) NOT NULL default '', `vendor` int(11) NOT NULL default '0', `date_` date NOT NULL default '0000-00-00', `price` decimal(12,2) NOT NULL default '0.00', PRIMARY KEY (`itemid`,`grpid`,`vendor`,`date_`), KEY `itemid` (`itemid`,`vendor`), KEY `itemid_2` (`itemid`,`date_`));
insert into t1 values (128, 'rozn', 2, curdate(), 10),
@ -407,21 +413,3 @@ MIN(i)
1
DROP TABLE t1;
# End of 5.0 tests
#
# LP bug #793436: query with a derived table for which optimizer proves
# that it contains not more than 1 row
#
CREATE TABLE t1 (a int, KEY (a)) ;
INSERT INTO t1 VALUES (3), (1);
CREATE TABLE t2 (a int);
INSERT INTO t2 VALUES (3);
EXPLAIN
SELECT * FROM (SELECT DISTINCT * FROM t2) t, t1 WHERE t1.a = t.a;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> system NULL NULL NULL NULL 1
1 PRIMARY t1 ref a a 5 const 1 Using index
2 DERIVED t2 system NULL NULL NULL NULL 1
SELECT * FROM (SELECT DISTINCT * FROM t2) t, t1 WHERE t1.a = t.a;
a a
3 3
DROP TABLE t1,t2;

276
mysql-test/r/derived_opt.result Normal file
View File

@ -0,0 +1,276 @@
drop table if exists t1,t2,t3;
set @exit_optimizer_switch=@@optimizer_switch;
set optimizer_switch='derived_merge=on,derived_with_keys=on';
set @save_optimizer_switch=@@optimizer_switch;
CREATE TABLE t1 (a int not null, b char (10) not null);
insert into t1 values(1,'a'),(2,'b'),(3,'c'),(3,'c');
CREATE TABLE t2 (a int not null, b char (10) not null);
insert into t2 values (3,'c'),(4,'d'),(5,'f'),(6,'e');
CREATE TABLE t3 (a int not null, b char (10) not null);
insert into t3 values (3,'f'),(4,'y'),(5,'z'),(6,'c');
select * from t1 as x1, (select * from t1) as x2;
a b a b
1 a 1 a
2 b 1 a
3 c 1 a
3 c 1 a
1 a 2 b
2 b 2 b
3 c 2 b
3 c 2 b
1 a 3 c
2 b 3 c
3 c 3 c
3 c 3 c
1 a 3 c
2 b 3 c
3 c 3 c
3 c 3 c
explain select * from t1 as x1, (select * from t1) as x2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE x1 ALL NULL NULL NULL NULL 4
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using join buffer (flat, BNL join)
drop table if exists t2,t3;
CREATE TABLE t2 (a int not null);
insert into t2 values(1);
select * from (select t1.*, t2.a as t2a from t1,t2 where t1.a=t2.a) t1;
a b t2a
1 a 1
explain select * from (select t1.*, t2.a as t2a from t1,t2 where t1.a=t2.a) t1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 system NULL NULL NULL NULL 1
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using where
drop table t1, t2;
create table t1(a int not null, t char(8), index(a));
SELECT * FROM (SELECT * FROM t1) as b ORDER BY a ASC LIMIT 0,20;
a t
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 10
11 11
12 12
13 13
14 14
15 15
16 16
17 17
18 18
19 19
20 20
explain select count(*) from t1 as tt1, (select * from t1) as tt2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
drop table t1;
create table t1 (mat_id MEDIUMINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY, matintnum CHAR(6) NOT NULL, test MEDIUMINT UNSIGNED NULL);
create table t2 (mat_id MEDIUMINT UNSIGNED NOT NULL, pla_id MEDIUMINT UNSIGNED NOT NULL);
insert into t1 values (NULL, 'a', 1), (NULL, 'b', 2), (NULL, 'c', 3), (NULL, 'd', 4), (NULL, 'e', 5), (NULL, 'f', 6), (NULL, 'g', 7), (NULL, 'h', 8), (NULL, 'i', 9);
insert into t2 values (1, 100), (1, 101), (1, 102), (2, 100), (2, 103), (2, 104), (3, 101), (3, 102), (3, 105);
SELECT STRAIGHT_JOIN d.pla_id, m2.mat_id FROM t1 m2 INNER JOIN (SELECT mp.pla_id, MIN(m1.matintnum) AS matintnum FROM t2 mp INNER JOIN t1 m1 ON mp.mat_id=m1.mat_id GROUP BY mp.pla_id) d ON d.matintnum=m2.matintnum;
pla_id mat_id
102 1
101 1
100 1
104 2
103 2
105 3
SELECT STRAIGHT_JOIN d.pla_id, m2.test FROM t1 m2 INNER JOIN (SELECT mp.pla_id, MIN(m1.matintnum) AS matintnum FROM t2 mp INNER JOIN t1 m1 ON mp.mat_id=m1.mat_id GROUP BY mp.pla_id) d ON d.matintnum=m2.matintnum;
pla_id test
102 1
101 1
100 1
104 2
103 2
105 3
explain SELECT STRAIGHT_JOIN d.pla_id, m2.mat_id FROM t1 m2 INNER JOIN (SELECT mp.pla_id, MIN(m1.matintnum) AS matintnum FROM t2 mp INNER JOIN t1 m1 ON mp.mat_id=m1.mat_id GROUP BY mp.pla_id) d ON d.matintnum=m2.matintnum;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY m2 ALL NULL NULL NULL NULL 9
1 PRIMARY <derived2> ref key0 key0 7 test.m2.matintnum 2
2 DERIVED mp ALL NULL NULL NULL NULL 9 Using temporary; Using filesort
2 DERIVED m1 eq_ref PRIMARY PRIMARY 3 test.mp.mat_id 1
explain SELECT STRAIGHT_JOIN d.pla_id, m2.test FROM t1 m2 INNER JOIN (SELECT mp.pla_id, MIN(m1.matintnum) AS matintnum FROM t2 mp INNER JOIN t1 m1 ON mp.mat_id=m1.mat_id GROUP BY mp.pla_id) d ON d.matintnum=m2.matintnum;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY m2 ALL NULL NULL NULL NULL 9
1 PRIMARY <derived2> ref key0 key0 7 test.m2.matintnum 2
2 DERIVED mp ALL NULL NULL NULL NULL 9 Using temporary; Using filesort
2 DERIVED m1 eq_ref PRIMARY PRIMARY 3 test.mp.mat_id 1
drop table t1,t2;
create table t1 (E1 INTEGER UNSIGNED NOT NULL, E2 INTEGER UNSIGNED NOT NULL, E3 INTEGER UNSIGNED NOT NULL, PRIMARY KEY(E1)
);
insert into t1 VALUES(1,1,1), (2,2,1);
select count(*) from t1 INNER JOIN (SELECT A.E1, A.E2, A.E3 FROM t1 AS A WHERE A.E3 = (SELECT MAX(B.E3) FROM t1 AS B WHERE A.E2 = B.E2)) AS THEMAX ON t1.E1 = THEMAX.E2 AND t1.E1 = t1.E2;
count(*)
2
explain select count(*) from t1 INNER JOIN (SELECT A.E1, A.E2, A.E3 FROM t1 AS A WHERE A.E3 = (SELECT MAX(B.E3) FROM t1 AS B WHERE A.E2 = B.E2)) AS THEMAX ON t1.E1 = THEMAX.E2 AND t1.E1 = t1.E2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE A ALL NULL NULL NULL NULL 2 Using where
1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.A.E2 1 Using where
3 DEPENDENT SUBQUERY B ALL NULL NULL NULL NULL 2 Using where
drop table t1;
create table t1 (a int);
insert into t1 values (1),(2);
select * from ( select * from t1 union select * from t1) a,(select * from t1 union select * from t1) b;
a a
1 1
2 1
1 2
2 2
explain select * from ( select * from t1 union select * from t1) a,(select * from t1 union select * from t1) b;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 4
1 PRIMARY <derived4> ALL NULL NULL NULL NULL 4 Using join buffer (flat, BNL join)
4 DERIVED t1 ALL NULL NULL NULL NULL 2
5 UNION t1 ALL NULL NULL NULL NULL 2
NULL UNION RESULT <union4,5> ALL NULL NULL NULL NULL NULL
2 DERIVED t1 ALL NULL NULL NULL NULL 2
3 UNION t1 ALL NULL NULL NULL NULL 2
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL
drop table t1;
create table t2 (a int, b int, primary key (a));
insert into t2 values (1,7),(2,7);
explain select a from t2 where a>1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index PRIMARY PRIMARY 4 NULL 2 Using where; Using index
explain select a from (select a from t2 where a>1) tt;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index PRIMARY PRIMARY 4 NULL 2 Using where; Using index
drop table t2;
create table t1
(
c1 tinyint, c2 smallint, c3 mediumint, c4 int,
c5 integer, c6 bigint, c7 float, c8 double,
c9 double precision, c10 real, c11 decimal(7, 4), c12 numeric(8, 4),
c13 date, c14 datetime, c15 timestamp, c16 time,
c17 year, c18 bit, c19 bool, c20 char,
c21 char(10), c22 varchar(30), c23 tinyblob, c24 tinytext,
c25 blob, c26 text, c27 mediumblob, c28 mediumtext,
c29 longblob, c30 longtext, c31 enum('one', 'two', 'three'),
c32 set('monday', 'tuesday', 'wednesday')
) engine = MYISAM ;
create table t2 like t1;
set @save_optimizer_switch=@@optimizer_switch;
set @@optimizer_switch="partial_match_rowid_merge=off,partial_match_table_scan=off";
set @stmt= ' explain SELECT (SELECT SUM(c1 + c12 + 0.0) FROM t2 where (t1.c2 - 0e-3) = t2.c2 GROUP BY t1.c15 LIMIT 1) as scalar_s, exists (select 1.0e+0 from t2 where t2.c3 * 9.0000000000 = t1.c4) as exists_s, c5 * 4 in (select c6 + 0.3e+1 from t2) as in_s, (c7 - 4, c8 - 4) in (select c9 + 4.0, c10 + 40e-1 from t2) as in_row_s FROM t1, (select c25 x, c32 y from t2) tt WHERE x * 1 = c25 ' ;
prepare stmt1 from @stmt ;
execute stmt1 ;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
5 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
4 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
3 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
execute stmt1 ;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
5 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
4 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
3 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
explain SELECT (SELECT SUM(c1 + c12 + 0.0) FROM t2 where (t1.c2 - 0e-3) = t2.c2 GROUP BY t1.c15 LIMIT 1) as scalar_s, exists (select 1.0e+0 from t2 where t2.c3 * 9.0000000000 = t1.c4) as exists_s, c5 * 4 in (select c6 + 0.3e+1 from t2) as in_s, (c7 - 4, c8 - 4) in (select c9 + 4.0, c10 + 40e-1 from t2) as in_row_s FROM t1, (select c25 x, c32 y from t2) tt WHERE x * 1 = c25;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
5 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
4 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
3 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
deallocate prepare stmt1;
drop tables t1,t2;
set @@optimizer_switch=@save_optimizer_switch;
#
# LP bug #793436: query with a derived table for which optimizer proves
# that it contains not more than 1 row
#
CREATE TABLE t1 (a int, KEY (a)) ;
INSERT INTO t1 VALUES (3), (1);
CREATE TABLE t2 (a int);
INSERT INTO t2 VALUES (3);
EXPLAIN
SELECT * FROM (SELECT DISTINCT * FROM t2) t, t1 WHERE t1.a = t.a;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> system NULL NULL NULL NULL 1
1 PRIMARY t1 ref a a 5 const 1 Using index
2 DERIVED t2 system NULL NULL NULL NULL 1
SELECT * FROM (SELECT DISTINCT * FROM t2) t, t1 WHERE t1.a = t.a;
a a
3 3
DROP TABLE t1,t2;
#
# LP bug #800518: crash with a query over a derived table
# when a min/max optimization is applied
#
CREATE TABLE t1 (a int, b int, c varchar(10), INDEX idx(a,b)) ;
INSERT INTO t1 VALUES
(100, 3, 'xxx'), (200, 7, 'yyyyyyy'), (100, 1, 't'),
(200, 4, 'aaaa'), (100, 3, 'eee'), (100, 5, 'zzzzz');
EXPLAIN
SELECT MAX(b) FROM (SELECT * FROM t1) AS t WHERE a = 100;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
SELECT MAX(b) FROM (SELECT * FROM t1) AS t WHERE a = 100;
MAX(b)
5
DROP TABLE t1;
#
# LP bug #799499: query over a materialized view
# accessed by a key
#
CREATE TABLE t1 (a int) ;
INSERT INTO t1 VALUES (8);
CREATE TABLE t2 (a int, b int) ;
INSERT INTO t2 VALUES
(262, NULL), (253, 190), (260, NULL), (250, 163), (188, 8),
(257,200), (256, NULL), (255, 8), (249, NULL), (259, 7);
CREATE VIEW v1 AS SELECT a, MIN(b) AS b FROM t2 GROUP BY a;
EXPLAIN
SELECT * FROM v1, t1 WHERE v1.b=t1.a ORDER BY v1.a;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1 Using filesort
1 PRIMARY <derived2> ref key0 key0 5 const 1 Using where
2 DERIVED t2 ALL NULL NULL NULL NULL 10 Using temporary; Using filesort
SELECT * FROM v1, t1 WHERE v1.b=t1.a ORDER BY v1.a;
a b a
188 8 8
255 8 8
DROP VIEW v1;
DROP TABLE t1,t2;
#
# LP bug #800085: crash with a query using a simple derived table
# (fixed by the patch for bug 798621)
#
CREATE TABLE t1 (f1 int, f2 varchar(32)) ;
INSERT INTO t1 VALUES (NULL,'j'), (8,'c');
CREATE TABLE t2 (f1 int);
INSERT INTO t2 VALUES (1), (5);
SELECT DISTINCT t.f1 FROM (SELECT * FROM t1) AS t, t2
WHERE t.f2='s' AND t.f2 LIKE '%a%' OR t.f1<>0 ORDER BY t.f2;
f1
8
DROP TABLE t1, t2;
#
# BUG##806524: Assertion `join->best_read < 1.7976931348623157e+308 with table_elimination=on and derived_merge=on
#
CREATE TABLE t1 ( f4 int) ;
CREATE TABLE t2 ( f4 int) ;
CREATE TABLE t3 ( f1 int NOT NULL , PRIMARY KEY (f1)) ;
CREATE TABLE t4 ( f2 int, f4 int) ;
SELECT *
FROM ( SELECT * FROM t1 ) AS alias1
RIGHT JOIN (
t2 AS alias2
LEFT JOIN (
SELECT t4.*
FROM ( SELECT * FROM t3 ) AS SQ1_alias1
RIGHT JOIN t4
ON t4.f2 = SQ1_alias1.f1
) AS alias3
ON alias3.f4 != 0
) ON alias3.f4 != 0;
f4 f4 f2 f4
drop table t1,t2,t3,t4;
set optimizer_switch=@exit_optimizer_switch;

1273
mysql-test/r/derived_view.result
View File

File diff suppressed because it is too large Load Diff

19
mysql-test/r/explain.result
View File

@ -13,7 +13,7 @@ id str
3 foo
explain select * from t1 where str is null;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref str str 11 const 1 Using index condition
1 SIMPLE t1 ref str str 11 const 1 Using where
explain select * from t1 where str="foo";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const str str 11 const 1
@ -171,7 +171,7 @@ DROP TABLE t1;
# Bug#48295:
# explain extended crash with subquery and ONLY_FULL_GROUP_BY sql_mode
#
CREATE TABLE t1 (f1 INT);
CREATE TABLE t1 (f1 INT not null);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
EXPLAIN EXTENDED SELECT 1 FROM t1
@ -267,7 +267,7 @@ WHERE t1.f1 GROUP BY t1.f1));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
2 SUBQUERY a system NULL NULL NULL NULL 1
2 SUBQUERY t1 fulltext f1 f1 0 1 Using where
2 SUBQUERY t1 fulltext f1_2,f1 f1 0 1 Using where
PREPARE stmt FROM
'EXPLAIN SELECT 1 FROM t1
WHERE 1 > ALL((SELECT 1 FROM t1 RIGHT OUTER JOIN t1 a
@ -277,12 +277,12 @@ EXECUTE stmt;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
2 SUBQUERY a system NULL NULL NULL NULL 1
2 SUBQUERY t1 fulltext f1 f1 0 1 Using where
2 SUBQUERY t1 fulltext f1_2,f1 f1 0 1 Using where
EXECUTE stmt;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
2 SUBQUERY a system NULL NULL NULL NULL 1
2 SUBQUERY t1 fulltext f1 f1 0 1 Using where
2 SUBQUERY t1 fulltext f1_2,f1 f1 0 1 Using where
DEALLOCATE PREPARE stmt;
PREPARE stmt FROM
'EXPLAIN SELECT 1 FROM t1
@ -293,12 +293,12 @@ EXECUTE stmt;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
2 SUBQUERY a system NULL NULL NULL NULL 1
2 SUBQUERY t1 fulltext f1 f1 0 1 Using where
2 SUBQUERY t1 fulltext f1_2,f1 f1 0 1 Using where
EXECUTE stmt;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
2 SUBQUERY a system NULL NULL NULL NULL 1
2 SUBQUERY t1 fulltext f1 f1 0 1 Using where
2 SUBQUERY t1 fulltext f1_2,f1 f1 0 1 Using where
DEALLOCATE PREPARE stmt;
DROP TABLE t1;
End of 5.1 tests.
@ -312,7 +312,8 @@ INSERT INTO t2 VALUES (8);
EXPLAIN EXTENDED
SELECT * FROM ( SELECT t1.a FROM t1,t2 WHERE t2.a = t1.a ) AS t;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
1 PRIMARY <derived2> system NULL NULL NULL NULL 0 0.00 const row not found
2 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings:
Note 1003 select NULL AS `a` from `test`.`t1` join `test`.`t2` where 0
Note 1003 select NULL AS `a` from (select NULL AS `a` from `test`.`t1` join `test`.`t2` where 0) `t`
DROP TABLE t1,t2;

13
mysql-test/r/feedback_plugin_install.result Normal file
View File

@ -0,0 +1,13 @@
install plugin feedback soname 'feedback.so';
select plugin_status from information_schema.plugins where plugin_name='feedback';
plugin_status
ACTIVE
select * from information_schema.feedback where variable_name like 'feed%'
and variable_name not like '%_uid';
VARIABLE_NAME VARIABLE_VALUE
FEEDBACK 1.0
FEEDBACK_SEND_RETRY_WAIT 60
FEEDBACK_SEND_TIMEOUT 60
FEEDBACK_URL http://mariadb.org/feedback_plugin/post
FEEDBACK_USER_INFO mysql-test
uninstall plugin feedback;

11
mysql-test/r/feedback_plugin_load.result Normal file
View File

@ -0,0 +1,11 @@
select plugin_status from information_schema.plugins where plugin_name='feedback';
plugin_status
ACTIVE
select * from information_schema.feedback where variable_name like 'feed%'
and variable_name not like '%_uid';
VARIABLE_NAME VARIABLE_VALUE
FEEDBACK 1.0
FEEDBACK_SEND_RETRY_WAIT 60
FEEDBACK_SEND_TIMEOUT 60
FEEDBACK_URL http://mariadb.org/feedback_plugin/post
FEEDBACK_USER_INFO mysql-test

15
mysql-test/r/feedback_plugin_send.result Normal file
View File

@ -0,0 +1,15 @@
select plugin_status from information_schema.plugins where plugin_name='feedback';
plugin_status
ACTIVE
select * from information_schema.feedback where variable_name like 'feed%'
and variable_name not like '%_uid';
VARIABLE_NAME VARIABLE_VALUE
FEEDBACK 1.0
FEEDBACK_SEND_RETRY_WAIT 60
FEEDBACK_SEND_TIMEOUT 60
FEEDBACK_URL http://mariadb.org/feedback_plugin/post
FEEDBACK_USER_INFO mysql-test
feedback plugin: report to 'http://mariadb.org/feedback_plugin/post' was sent
feedback plugin: server replied 'ok'
feedback plugin: report to 'http://mariadb.org/feedback_plugin/post' was sent
feedback plugin: server replied 'ok'

8
mysql-test/r/fulltext.result
View File

@ -497,6 +497,8 @@ DROP TABLE t1;
CREATE TABLE t1 (a VARCHAR(255), b INT, FULLTEXT(a), KEY(b));
INSERT INTO t1 VALUES('test', 1),('test', 1),('test', 1),('test', 1),
('test', 1),('test', 2),('test', 3),('test', 4);
INSERT INTO t1 VALUES('test', 5),('test', 6),('test', 7),('test', 8),
('test', 5),('test', 6),('test', 7),('test', 8);
EXPLAIN SELECT * FROM t1
WHERE MATCH(a) AGAINST('test' IN BOOLEAN MODE) AND b=1;
id select_type table type possible_keys key key_len ref rows Extra
@ -512,15 +514,15 @@ id select_type table type possible_keys key key_len ref rows Extra
EXPLAIN SELECT * FROM t1 IGNORE INDEX(a)
WHERE MATCH(a) AGAINST('test' IN BOOLEAN MODE) AND b=1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref b b 5 const 4 Using where
1 SIMPLE t1 ref b b 5 const 5 Using where
EXPLAIN SELECT * FROM t1 USE INDEX(b)
WHERE MATCH(a) AGAINST('test' IN BOOLEAN MODE) AND b=1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref b b 5 const 4 Using where
1 SIMPLE t1 ref b b 5 const 5 Using where
EXPLAIN SELECT * FROM t1 FORCE INDEX(b)
WHERE MATCH(a) AGAINST('test' IN BOOLEAN MODE) AND b=1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref b b 5 const 4 Using where
1 SIMPLE t1 ref b b 5 const 5 Using where
DROP TABLE t1;
create table t1(a text,b date,fulltext index(a))engine=myisam;
insert into t1 set a='water',b='2008-08-04';

12
mysql-test/r/func_group.result
View File

@ -1811,6 +1811,15 @@ MAX(f1)
2001
DROP TABLE t1;
#
# LP BUG#813418 - incorrect optimisation of max/min by index for
# negated BETWEEN
CREATE TABLE t1 (a int, KEY (a));
INSERT INTO t1 VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
SELECT MAX(a) FROM t1 WHERE a NOT BETWEEN 3 AND 9;
MAX(a)
10
drop table t1;
#
End of 5.1 tests
#
# BUG#46680 - Assertion failed in file item_subselect.cc,
@ -1928,8 +1937,9 @@ HAVING ('m') IN (
SELECT v
FROM t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY empty1 system NULL NULL NULL NULL 0 const row not found
1 PRIMARY <derived2> system NULL NULL NULL NULL 0 const row not found
3 SUBQUERY t2 ALL NULL NULL NULL NULL 2
2 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
#
# 5) Test that subquery materialization is setup for query with

73
mysql-test/r/func_in.result
View File

@ -241,7 +241,7 @@ insert into t2 select C.a*2+1, 'yes' from t1 C;
explain
select * from t2 where a NOT IN (0, 2,4,6,8,10,12,14,16,18);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range a a 5 NULL 12 Using index condition; Rowid-ordered scan
1 SIMPLE t2 range a a 5 NULL 12 Using where
select * from t2 where a NOT IN (0, 2,4,6,8,10,12,14,16,18);
a filler
1 yes
@ -256,10 +256,10 @@ a filler
19 yes
explain select * from t2 force index(a) where a NOT IN (2,2,2,2,2,2);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range a a 5 NULL 912 Using index condition; Rowid-ordered scan
1 SIMPLE t2 range a a 5 NULL 912 Using where
explain select * from t2 force index(a) where a <> 2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range a a 5 NULL 912 Using index condition; Rowid-ordered scan
1 SIMPLE t2 range a a 5 NULL 912 Using where
drop table t2;
create table t2 (a datetime, filler char(200), key(a));
insert into t2 select '2006-04-25 10:00:00' + interval C.a minute,
@ -271,7 +271,7 @@ select * from t2 where a NOT IN (
'2006-04-25 10:00:00','2006-04-25 10:02:00','2006-04-25 10:04:00',
'2006-04-25 10:06:00', '2006-04-25 10:08:00');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range a a 9 NULL 18 Using index condition; Rowid-ordered scan
1 SIMPLE t2 range a a 9 NULL 18 Using where
select * from t2 where a NOT IN (
'2006-04-25 10:00:00','2006-04-25 10:02:00','2006-04-25 10:04:00',
'2006-04-25 10:06:00', '2006-04-25 10:08:00');
@ -295,7 +295,7 @@ insert into t2 values ('fon', '1'), ('fop','1'), ('barbaq','1'),
('barbas','1'), ('bazbazbay', '1'),('zz','1');
explain select * from t2 where a not in('foo','barbar', 'bazbazbaz');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range a a 13 NULL 7 Using index condition; Rowid-ordered scan
1 SIMPLE t2 range a a 13 NULL 7 Using where
drop table t2;
create table t2 (a decimal(10,5), filler char(200), key(a));
insert into t2 select 345.67890, 'no' from t1 A, t1 B;
@ -306,7 +306,7 @@ insert into t2 values (0, '1'), (22334.123,'1'), (33333,'1'),
explain
select * from t2 where a not in (345.67890, 43245.34, 64224.56344);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range a a 7 NULL 7 Using index condition; Rowid-ordered scan
1 SIMPLE t2 range a a 7 NULL 7 Using where
select * from t2 where a not in (345.67890, 43245.34, 64224.56344);
a filler
0.00000 1
@ -544,9 +544,15 @@ id select_type table type possible_keys key key_len ref rows Extra
select f2 from t2 where f2 in ('a','b');
f2
0
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: 'a'
Warning 1292 Truncated incorrect DOUBLE value: 'b'
explain select f2 from t2 where f2 in ('a','b');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index t2f2 t2f2 5 NULL 3 Using where; Using index
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: 'a'
Warning 1292 Truncated incorrect DOUBLE value: 'b'
select f2 from t2 where f2 in (1,'b');
f2
0
@ -624,16 +630,16 @@ INSERT INTO t1 (c_int) SELECT 0 FROM t1;
INSERT INTO t1 (c_int) SELECT 0 FROM t1;
EXPLAIN SELECT * FROM t1 WHERE c_int IN (1, 2, 3);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c_int c_int 4 NULL 3 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range c_int c_int 4 NULL 3 Using where
EXPLAIN SELECT * FROM t1 WHERE c_int IN (NULL, 1, 2, 3);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c_int c_int 4 NULL 3 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range c_int c_int 4 NULL 3 Using where
EXPLAIN SELECT * FROM t1 WHERE c_int IN (1, 2, 3);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c_int c_int 4 NULL 3 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range c_int c_int 4 NULL 3 Using where
EXPLAIN SELECT * FROM t1 WHERE c_int IN (1, NULL, 2, NULL, 3, NULL);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c_int c_int 4 NULL 3 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range c_int c_int 4 NULL 3 Using where
EXPLAIN SELECT * FROM t1 WHERE c_int IN (NULL);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
@ -642,10 +648,10 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
EXPLAIN SELECT * FROM t1 WHERE c_decimal IN (1, 2, 3);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c_decimal c_decimal 3 NULL 3 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range c_decimal c_decimal 3 NULL 3 Using where
EXPLAIN SELECT * FROM t1 WHERE c_decimal IN (NULL, 1, 2, 3);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c_decimal c_decimal 3 NULL 3 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range c_decimal c_decimal 3 NULL 3 Using where
EXPLAIN SELECT * FROM t1 WHERE c_decimal IN (NULL);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
@ -654,10 +660,10 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
EXPLAIN SELECT * FROM t1 WHERE c_float IN (1, 2, 3);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c_float c_float 4 NULL 3 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range c_float c_float 4 NULL 3 Using where
EXPLAIN SELECT * FROM t1 WHERE c_float IN (NULL, 1, 2, 3);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c_float c_float 4 NULL 3 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range c_float c_float 4 NULL 3 Using where
EXPLAIN SELECT * FROM t1 WHERE c_float IN (NULL);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
@ -666,10 +672,10 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
EXPLAIN SELECT * FROM t1 WHERE c_bit IN (1, 2, 3);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c_bit c_bit 2 NULL 3 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range c_bit c_bit 2 NULL 3 Using where
EXPLAIN SELECT * FROM t1 WHERE c_bit IN (NULL, 1, 2, 3);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c_bit c_bit 2 NULL 3 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range c_bit c_bit 2 NULL 3 Using where
EXPLAIN SELECT * FROM t1 WHERE c_bit IN (NULL);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
@ -679,11 +685,11 @@ id select_type table type possible_keys key key_len ref rows Extra
EXPLAIN SELECT * FROM t1 WHERE c_date
IN ('2009-09-01', '2009-09-02', '2009-09-03');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c_date c_date 3 NULL 3 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range c_date c_date 3 NULL 3 Using where
EXPLAIN SELECT * FROM t1 WHERE c_date
IN (NULL, '2009-09-01', '2009-09-02', '2009-09-03');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c_date c_date 3 NULL 3 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range c_date c_date 3 NULL 3 Using where
EXPLAIN SELECT * FROM t1 WHERE c_date IN (NULL);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
@ -693,11 +699,11 @@ id select_type table type possible_keys key key_len ref rows Extra
EXPLAIN SELECT * FROM t1 WHERE c_datetime
IN ('2009-09-01 00:00:01', '2009-09-02 00:00:01', '2009-09-03 00:00:01');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c_datetime c_datetime 8 NULL 3 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range c_datetime c_datetime 8 NULL 3 Using where
EXPLAIN SELECT * FROM t1 WHERE c_datetime
IN (NULL, '2009-09-01 00:00:01', '2009-09-02 00:00:01', '2009-09-03 00:00:01');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c_datetime c_datetime 8 NULL 3 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range c_datetime c_datetime 8 NULL 3 Using where
EXPLAIN SELECT * FROM t1 WHERE c_datetime IN (NULL);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
@ -707,11 +713,11 @@ id select_type table type possible_keys key key_len ref rows Extra
EXPLAIN SELECT * FROM t1 WHERE c_timestamp
IN ('2009-09-01 00:00:01', '2009-09-01 00:00:02', '2009-09-01 00:00:03');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c_timestamp c_timestamp 4 NULL 3 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range c_timestamp c_timestamp 4 NULL 3 Using where
EXPLAIN SELECT * FROM t1 WHERE c_timestamp
IN (NULL, '2009-09-01 00:00:01', '2009-09-01 00:00:02', '2009-09-01 00:00:03');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c_timestamp c_timestamp 4 NULL 3 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range c_timestamp c_timestamp 4 NULL 3 Using where
EXPLAIN SELECT * FROM t1 WHERE c_timestamp IN (NULL);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
@ -720,10 +726,10 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
EXPLAIN SELECT * FROM t1 WHERE c_year IN (1, 2, 3);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c_year c_year 1 NULL 3 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range c_year c_year 1 NULL 3 Using where
EXPLAIN SELECT * FROM t1 WHERE c_year IN (NULL, 1, 2, 3);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c_year c_year 1 NULL 3 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range c_year c_year 1 NULL 3 Using where
EXPLAIN SELECT * FROM t1 WHERE c_year IN (NULL);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
@ -732,10 +738,10 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
EXPLAIN SELECT * FROM t1 WHERE c_char IN ('1', '2', '3');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c_char c_char 10 NULL 3 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range c_char c_char 10 NULL 3 Using where
EXPLAIN SELECT * FROM t1 WHERE c_char IN (NULL, '1', '2', '3');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c_char c_char 10 NULL 3 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range c_char c_char 10 NULL 3 Using where
EXPLAIN SELECT * FROM t1 WHERE c_char IN (NULL);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
@ -771,3 +777,18 @@ SELECT 1 IN (YEAR(FROM_UNIXTIME(NULL)) ,1);
1
#
End of 5.1 tests
create table t1 (a bigint, b int);
insert t1 values (1,1),(2,2),(3,3);
select * from t1 where a in ('2.1');
a b
2 2
select * from t1 where b in ('2.1');
a b
select * from t1 where a='2.1';
a b
2 2
select * from t1 where b='2.1';
a b
select * from t1 where IF(1,a,a)='2.1';
a b
drop table t1;

10
mysql-test/r/func_str.result
View File

@ -2549,12 +2549,14 @@ create table t1(f1 tinyint default null)engine=myisam;
insert into t1 values (-1),(null);
explain select 1 as a from t1,(select decode(f1,f1) as b from t1) a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
2 DERIVED t1 ALL NULL NULL NULL NULL 2
explain select 1 as a from t1,(select encode(f1,f1) as b from t1) a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
2 DERIVED t1 ALL NULL NULL NULL NULL 2
drop table t1;
#
# Bug#49141: Encode function is significantly slower in 5.1 compared to 5.0

4
mysql-test/r/func_time.result
View File

@ -27,6 +27,10 @@ sec_to_time('9001.1') sec_to_time('1234567890123.123')
02:30:01.100000 838:59:59.999999
Warnings:
Warning 1292 Truncated incorrect time value: '1234567890123.123'
select sec_to_time(-9001.1), sec_to_time(-9001.1) / 1,
sec_to_time(-9001.1) / 1e0, sec_to_time(-9001) div 1;
sec_to_time(-9001.1) sec_to_time(-9001.1) / 1 sec_to_time(-9001.1) / 1e0 sec_to_time(-9001) div 1
-02:30:01.1 -23001.10000 -23001.1 -23001
select sec_to_time(90011e-1), sec_to_time(1234567890123e30);
sec_to_time(90011e-1) sec_to_time(1234567890123e30)
02:30:01.100000 838:59:59.999999

19
mysql-test/r/group_by.result
View File

@ -1898,8 +1898,8 @@ SELECT a, AVG(t1.b),
FROM t1 GROUP BY a;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index NULL a 10 NULL 9 Using index
3 DEPENDENT SUBQUERY t12 ref a a 10 func,func 2 Using index condition
2 DEPENDENT SUBQUERY t11 ref a a 10 func,func 2 Using index condition
3 DEPENDENT SUBQUERY t12 ref a a 10 func,func 2 Using where
2 DEPENDENT SUBQUERY t11 ref a a 10 func,func 2 Using where
SELECT a, AVG(t1.b),
(SELECT t11.c FROM t1 t11 WHERE t11.a = t1.a AND t11.b = AVG(t1.b)) AS t11c,
(SELECT t12.c FROM t1 t12 WHERE t12.a = t1.a AND t12.b = AVG(t1.b)) AS t12c
@ -1909,3 +1909,18 @@ a AVG(t1.b) t11c t12c
2 2.0000 7 7
DROP TABLE t1;
# End of 5.1 tests
#
# BUG#872702: Crash in add_ref_to_table_cond() when grouping by a PK
#
CREATE TABLE t1 (a int, PRIMARY KEY (a)) ;
INSERT INTO t1 VALUES (14),(15),(16),(17),(18),(19),(20);
CREATE TABLE t2 (a int) ;
SELECT a
FROM t1
WHERE a = (
SELECT t2.a
FROM t2
) OR t1.a = 73
GROUP BY 1;
a
DROP TABLE t1, t2;

14
mysql-test/r/group_min_max.result
View File

@ -876,10 +876,10 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range NULL idx_t1_1 163 NULL 17 Using where; Using index for group-by
explain select a1,a2,b, max(c) from t1 where (c > 'b1') or (c <= 'g1') group by a1,a2,b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range NULL idx_t1_1 163 NULL 17 Using where; Using index for group-by
1 SIMPLE t1 range NULL idx_t1_1 147 NULL 17 Using where; Using index for group-by
explain select a1,a2,b,min(c),max(c) from t1 where (c > 'b1') or (c <= 'g1') group by a1,a2,b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range NULL idx_t1_1 163 NULL 17 Using where; Using index for group-by
1 SIMPLE t1 range NULL idx_t1_1 147 NULL 17 Using where; Using index for group-by
explain select a1,a2,b,min(c),max(c) from t1 where (c > 'b111') and (c <= 'g112') group by a1,a2,b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range NULL idx_t1_1 163 NULL 17 Using where; Using index for group-by
@ -924,7 +924,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range NULL idx_t2_1 163 NULL # Using where; Using index for group-by
explain select a1,a2,b, max(c) from t2 where (c > 'b1') or (c <= 'g1') group by a1,a2,b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range NULL idx_t2_1 163 NULL # Using where; Using index for group-by
1 SIMPLE t2 range NULL idx_t2_1 146 NULL # Using where; Using index for group-by
explain select a1,a2,b,min(c),max(c) from t2 where (c > 'b1') or (c <= 'g1') group by a1,a2,b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range NULL idx_t2_1 163 NULL # Using where; Using index for group-by
@ -2412,7 +2412,7 @@ EXPLAIN SELECT 1 FROM t1 AS t1_outer1 JOIN t1 AS t1_outer2
ON t1_outer1.a = (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2)
AND t1_outer1.b = t1_outer2.b;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1_outer1 ref a a 5 const 1 Using index
1 PRIMARY t1_outer1 ref a a 5 const 2 Using where; Using index
1 PRIMARY t1_outer2 index NULL a 10 NULL 15 Using where; Using index; Using join buffer (flat, BNL join)
2 SUBQUERY t1 range NULL a 5 NULL 8 Using index for group-by
EXPLAIN SELECT (SELECT (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2) x
@ -2749,7 +2749,7 @@ NULL
EXPLAIN
SELECT MIN( a ) FROM t1 WHERE a = (SELECT a FROM t1 WHERE a < 0);
id select_type table type possible_keys key key_len ref rows Extra
x x x x x x x x x Impossible WHERE noticed after reading const tables
x x x x x x x x x Using where; Using index
x x x x x x x x x Using where; Using index
SELECT MIN( a ) FROM t1 WHERE a = (SELECT a FROM t1 WHERE a < 0);
MIN( a )
@ -2821,7 +2821,7 @@ NULL
EXPLAIN
SELECT MIN( a ) FROM t1 WHERE a = (SELECT a FROM t1 WHERE a < 0);
id select_type table type possible_keys key key_len ref rows Extra
x x x x x x x x x Impossible WHERE noticed after reading const tables
x x x x x x x x x Using where; Using index
x x x x x x x x x Using where; Using index
SELECT MIN( a ) FROM t1 WHERE a = (SELECT a FROM t1 WHERE a < 0);
MIN( a )
@ -2900,7 +2900,7 @@ NULL
EXPLAIN
SELECT MIN( a ) FROM t1 WHERE a = (SELECT a FROM t1 WHERE a < 0);
id select_type table type possible_keys key key_len ref rows Extra
x x x x x x x x x Impossible WHERE noticed after reading const tables
x x x x x x x x x Using where; Using index
x x x x x x x x x Using where; Using index
SELECT MIN( a ) FROM t1 WHERE a = (SELECT a FROM t1 WHERE a < 0);
MIN( a )

24
mysql-test/r/having.result
View File

@ -570,3 +570,27 @@ ORDER BY t1.f1;
f1
DROP TABLE t1,t2;
End of 5.1 tests
#
# LP bug #791761: MAX over an empty join + HAVING
#
CREATE TABLE t1 (a int, b int , KEY (b)) ;
INSERT INTO t1 VALUES (3,1);
CREATE TABLE t2 (a int NOT NULL ) ;
INSERT INTO t2 VALUES (29);
SELECT MAX(t1.b) FROM t1,t2 WHERE t2.a > 0 HAVING MAX(t1.b) <> 6;
MAX(t1.b)
1
SELECT MAX(t1.b) FROM t1,t2 WHERE t2.a > 0 HAVING MAX(t1.b) IS NULL;
MAX(t1.b)
EXPLAIN
SELECT MAX(t1.b) FROM t1,t2 WHERE t2.a < 0 HAVING MAX(t1.b) <> 6;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
SELECT MAX(t1.b) FROM t1,t2 WHERE t2.a < 0 HAVING MAX(t1.b) <> 6;
MAX(t1.b)
CREATE TABLE t3 ( f3 int) ;
INSERT INTO t3 VALUES (NULL);
SELECT MAX(t1.b) AS f FROM t1 JOIN t2 ON t2.a != 0
WHERE (SELECT f3 FROM t3) <> 0 HAVING f <> 6 ;
f
DROP TABLE t1,t2,t3;

50
mysql-test/r/index_intersect.result
View File

@ -74,12 +74,12 @@ EXPLAIN
SELECT * FROM City
WHERE Name LIKE 'M%' AND Population > 300000;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population,Name Name 35 NULL # Using index condition; Using where; Rowid-ordered scan
1 SIMPLE City range Population,Name Name 35 NULL # Using where
EXPLAIN
SELECT * FROM City
WHERE Name LIKE 'M%' AND Population > 7000000;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population,Name Population 4 NULL # Using index condition; Using where; Rowid-ordered scan
1 SIMPLE City range Population,Name Population 4 NULL # Using where
SELECT * FROM City USE INDEX ()
WHERE Name LIKE 'C%' AND Population > 1000000;
ID Name Country Population
@ -334,8 +334,8 @@ ID Name Country Population
SELECT * FROM City
WHERE Name LIKE 'M%' AND Population > 7000000;
ID Name Country Population
1024 Mumbai (Bombay) IND 10500000
3580 Moscow RUS 8389200
1024 Mumbai (Bombay) IND 10500000
SELECT COUNT(*) FROM City WHERE Name BETWEEN 'M' AND 'N';
COUNT(*)
301
@ -371,7 +371,7 @@ EXPLAIN
SELECT * FROM City
WHERE Name BETWEEN 'G' AND 'K' AND Population > 500000 AND Country LIKE 'C%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population,Name,Country Name # NULL # Using index condition; Using where; Rowid-ordered scan
1 SIMPLE City range Population,Name,Country Name # NULL # Using where
SELECT * FROM City USE INDEX ()
WHERE Name BETWEEN 'M' AND 'N' AND Population > 1000000 AND Country LIKE 'C%';
ID Name Country Population
@ -410,18 +410,18 @@ ID Name Country Population
SELECT * FROM City
WHERE Name BETWEEN 'G' AND 'K' AND Population > 500000 AND Country LIKE 'C%';
ID Name Country Population
1895 Harbin CHN 4289800
1904 Jinan CHN 2278100
1905 Hangzhou CHN 2190500
1914 Guiyang CHN 1465200
1916 Hefei CHN 1369100
1923 Jilin CHN 1040000
1927 Hohhot CHN 916700
1928 Handan CHN 840000
1937 Huainan CHN 700000
1938 Jixi CHN 683885
1944 Jinzhou CHN 570000
1905 Hangzhou CHN 2190500
1895 Harbin CHN 4289800
1916 Hefei CHN 1369100
1950 Hegang CHN 520000
1927 Hohhot CHN 916700
1937 Huainan CHN 700000
1923 Jilin CHN 1040000
1904 Jinan CHN 2278100
1944 Jinzhou CHN 570000
1938 Jixi CHN 683885
SELECT COUNT(*) FROM City WHERE ID BETWEEN 501 AND 1000;
COUNT(*)
500
@ -462,7 +462,7 @@ EXPLAIN
SELECT * FROM City
WHERE ID BETWEEN 501 AND 1000 AND Population > 700000 AND Country LIKE 'C%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY,Population,Country Population 4 NULL # Using index condition; Using where; Rowid-ordered scan
1 SIMPLE City range PRIMARY,Population,Country Population 4 NULL # Using where
EXPLAIN
SELECT * FROM City
WHERE ID BETWEEN 1 AND 500 AND Population > 1000000 AND Country LIKE 'A%';
@ -472,7 +472,7 @@ EXPLAIN
SELECT * FROM City
WHERE ID BETWEEN 2001 AND 2500 AND Population > 300000 AND Country LIKE 'H%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY,Population,Country Country 3 NULL # Using index condition; Using where; Rowid-ordered scan
1 SIMPLE City range PRIMARY,Population,Country Country 3 NULL # Using where
EXPLAIN
SELECT * FROM City
WHERE ID BETWEEN 3701 AND 4000 AND Population > 1000000
@ -484,7 +484,7 @@ SELECT * FROM City
WHERE ID BETWEEN 3001 AND 4000 AND Population > 600000
AND Country BETWEEN 'S' AND 'Z' ;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY,Population,Country Population 4 NULL # Using index condition; Using where; Rowid-ordered scan
1 SIMPLE City range PRIMARY,Population,Country Population 4 NULL # Using where
SELECT * FROM City USE INDEX ()
WHERE ID BETWEEN 501 AND 1000 AND Population > 700000 AND Country LIKE 'C%';
ID Name Country Population
@ -733,7 +733,7 @@ EXPLAIN
SELECT * FROM City
WHERE Name BETWEEN 'G' AND 'J' AND Population > 500000 AND Country LIKE 'C%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population,Country,Name Name 35 NULL # Using index condition; Using where; Rowid-ordered scan
1 SIMPLE City range Population,Country,Name Name 35 NULL # Using where
EXPLAIN
SELECT * FROM City
WHERE ID BETWEEN 1 AND 500 AND Population > 1000000 AND Country LIKE 'A%';
@ -744,7 +744,7 @@ SELECT * FROM City
WHERE ID BETWEEN 3001 AND 4000 AND Population > 600000
AND Country BETWEEN 'S' AND 'Z';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY,Population,Country Population 4 NULL # Using index condition; Using where; Rowid-ordered scan
1 SIMPLE City range PRIMARY,Population,Country Population 4 NULL # Using where
SELECT * FROM City WHERE
Name LIKE 'C%' AND Population > 1000000;
ID Name Country Population
@ -785,14 +785,14 @@ ID Name Country Population
SELECT * FROM City
WHERE Name BETWEEN 'G' AND 'J' AND Population > 500000 AND Country LIKE 'C%';
ID Name Country Population
1895 Harbin CHN 4289800
1905 Hangzhou CHN 2190500
1914 Guiyang CHN 1465200
1916 Hefei CHN 1369100
1927 Hohhot CHN 916700
1928 Handan CHN 840000
1937 Huainan CHN 700000
1905 Hangzhou CHN 2190500
1895 Harbin CHN 4289800
1916 Hefei CHN 1369100
1950 Hegang CHN 520000
1927 Hohhot CHN 916700
1937 Huainan CHN 700000
SELECT * FROM City
WHERE ID BETWEEN 1 AND 500 AND Population > 1000000 AND Country LIKE 'A%';
ID Name Country Population
@ -1035,12 +1035,12 @@ EXPLAIN
SELECT * FROM t1
WHERE (f1 < 535 OR f1 > 985) AND ( f4='r' OR f4 LIKE 'a%' ) ;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY,f4 f4 35 NULL # Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t1 range PRIMARY,f4 f4 35 NULL # Using where
SELECT * FROM t1
WHERE (f1 < 535 OR f1 > 985) AND ( f4='r' OR f4 LIKE 'a%' ) ;
f1 f4 f5
994 r 2
996 A 2
998 a 0
994 r 2
DROP TABLE t1;
SET SESSION optimizer_switch='index_merge_sort_intersection=on';

6
mysql-test/r/index_merge_innodb.result
View File

@ -691,7 +691,8 @@ SELECT COUNT(*) FROM
(SELECT * FROM t1 FORCE INDEX(primary,idx)
WHERE a BETWEEN 2 AND 7 OR pk=1000000) AS t;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index_merge PRIMARY,idx idx,PRIMARY 5,4 NULL 11419 Using sort_union(idx,PRIMARY); Using where
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 11419
2 DERIVED t1 index_merge PRIMARY,idx idx,PRIMARY 5,4 NULL 11419 Using sort_union(idx,PRIMARY); Using where
SELECT COUNT(*) FROM
(SELECT * FROM t1 FORCE INDEX(primary,idx)
WHERE a BETWEEN 2 AND 7 OR pk=1000000) AS t;
@ -702,7 +703,8 @@ SELECT COUNT(*) FROM
(SELECT * FROM t1 IGNORE INDEX(idx)
WHERE a BETWEEN 2 AND 7 OR pk=1000000) AS t;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL # Using where
1 PRIMARY <derived2> ALL NULL NULL NULL NULL #
2 DERIVED t1 ALL PRIMARY NULL NULL NULL # Using where
SELECT COUNT(*) FROM
(SELECT * FROM t1 IGNORE INDEX(idx)
WHERE a BETWEEN 2 AND 7 OR pk=1000000) AS t;

49
mysql-test/r/index_merge_myisam.result
View File

@ -21,7 +21,7 @@ Table Op Msg_type Msg_text
test.t0 analyze status OK
explain select * from t0 where key1 < 3 or key1 > 1020;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t0 range i1 i1 4 NULL 78 Using index condition; Rowid-ordered scan
1 SIMPLE t0 range i1 i1 4 NULL 78 Using where
explain
select * from t0 where key1 < 3 or key2 > 1020;
id select_type table type possible_keys key key_len ref rows Extra
@ -74,7 +74,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 17 Using sort_union(i1,i2); Using where
explain select * from t0 where key2 = 45 or key1 <=> null;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t0 range i1,i2 i2 4 NULL 1 Using where; Rowid-ordered scan
1 SIMPLE t0 range i1,i2 i2 4 NULL 1 Using where
explain select * from t0 where key2 = 45 or key1 is not null;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t0 ALL i1,i2 NULL NULL NULL 1024 Using where
@ -277,7 +277,7 @@ id select_type table type possible_keys key key_len ref rows Extra
explain select * from t0,t1 where t0.key1 < 3 and
(t1.key1 = t0.key1 or t1.key8 = t0.key1);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t0 range i1 i1 4 NULL 3 Using index condition; Rowid-ordered scan
1 SIMPLE t0 range i1 i1 4 NULL 3 Using where
1 SIMPLE t1 ALL i1,i8 NULL NULL NULL 1024 Range checked for each record (index map: 0x81)
explain select * from t1 where key1=3 or key2=4
union select * from t1 where key1<4 or key3=5;
@ -287,7 +287,8 @@ id select_type table type possible_keys key key_len ref rows Extra
NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL
explain select * from (select * from t1 where key1 = 3 or key2 =3) as Z where key8 >5;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index_merge i1,i2,i8 i1,i2 4,4 NULL 2 Using union(i1,i2); Using where
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 Using where
2 DERIVED t1 index_merge i1,i2 i1,i2 4,4 NULL 2 Using union(i1,i2); Using where
create table t3 like t0;
insert into t3 select * from t0;
alter table t3 add key9 int not null, add index i9(key9);
@ -1378,19 +1379,19 @@ primary key (pk1, pk2)
);
explain select * from t1 where pk1 = 1 and pk2 < 80 and key1=0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY,key1 PRIMARY 8 NULL 7 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t1 range PRIMARY,key1 PRIMARY 8 NULL 7 Using where
select * from t1 where pk1 = 1 and pk2 < 80 and key1=0;
pk1 pk2 key1 key2 pktail1ok pktail2ok pktail3bad pktail4bad pktail5bad pk2copy badkey filler1 filler2
1 19 0 0 0 0 0 0 0 19 0 filler-data-19 filler2
1 18 0 0 0 0 0 0 0 18 0 filler-data-18 filler2
1 17 0 0 0 0 0 0 0 17 0 filler-data-17 filler2
1 16 0 0 0 0 0 0 0 16 0 filler-data-16 filler2
1 15 0 0 0 0 0 0 0 15 0 filler-data-15 filler2
1 14 0 0 0 0 0 0 0 14 0 filler-data-14 filler2
1 13 0 0 0 0 0 0 0 13 0 filler-data-13 filler2
1 12 0 0 0 0 0 0 0 12 0 filler-data-12 filler2
1 11 0 0 0 0 0 0 0 11 0 filler-data-11 filler2
1 10 0 0 0 0 0 0 0 10 0 filler-data-10 filler2
1 11 0 0 0 0 0 0 0 11 0 filler-data-11 filler2
1 12 0 0 0 0 0 0 0 12 0 filler-data-12 filler2
1 13 0 0 0 0 0 0 0 13 0 filler-data-13 filler2
1 14 0 0 0 0 0 0 0 14 0 filler-data-14 filler2
1 15 0 0 0 0 0 0 0 15 0 filler-data-15 filler2
1 16 0 0 0 0 0 0 0 16 0 filler-data-16 filler2
1 17 0 0 0 0 0 0 0 17 0 filler-data-17 filler2
1 18 0 0 0 0 0 0 0 18 0 filler-data-18 filler2
1 19 0 0 0 0 0 0 0 19 0 filler-data-19 filler2
explain select pk1,pk2 from t1 where key1 = 10 and key2=10 and 2*pk1+1 < 2*96+1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index_merge key1,key2 key1,key2 4,4 NULL 1 Using intersect(key1,key2); Using where
@ -1593,4 +1594,24 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index_merge a,b,c a,c 5,5 NULL 54 Using sort_union(a,c); Using where
set optimizer_switch=default;
drop table t0, t1;
#
# BUG#834514 Assertion `!table || (!table->read_set || bitmap_is_set(...' with aggregates
#
CREATE TABLE t1 ( a int , b int, c int, KEY (b), PRIMARY KEY (a)) ;
INSERT INTO t1 VALUES (1,4,0),(5,0,0),(6,7,0),(7,7,0),(8,1,0),(9,7,0),(10,1,0);
CREATE TABLE t2 ( b int, c int, KEY (c,b)) ;
INSERT INTO t2 VALUES (7,0),(1,0),(7,0),(1,0);
CREATE TABLE t3 ( a int ) ;
SELECT COUNT(DISTINCT t2.b), CONCAT(t1.c)
FROM t1, t2
WHERE (t2.c = t1.c)
AND (
t1.b IN ( 4 )
OR t1.a = 137
AND EXISTS ( SELECT a FROM t3 )
)
GROUP BY 2;
COUNT(DISTINCT t2.b) CONCAT(t1.c)
2 0
DROP TABLE t1,t2,t3;
set optimizer_switch= @optimizer_switch_save;

3
mysql-test/r/information_schema.result
View File

@ -1288,7 +1288,8 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE tables ALL NULL NULL NULL NULL NULL Open_frm_only; Scanned all databases; Using filesort
explain select * from (select table_name from information_schema.tables) as a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE tables ALL NULL NULL NULL NULL NULL Skip_open_table; Scanned all databases
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2
2 DERIVED tables ALL NULL NULL NULL NULL NULL Skip_open_table; Scanned all databases
drop view v1;
create table t1 (f1 int(11));
create table t2 (f1 int(11), f2 int(11));

8
mysql-test/r/innodb.result
View File

@ -1,3 +1,8 @@
set @innodb_test_tmp=@@optimizer_switch;
set optimizer_switch =
if(@innodb_test_dont_touch_optimizer_switch,
@@optimizer_switch,
'mrr=on,mrr_sort_keys=on,index_condition_pushdown=on');
drop table if exists t1,t2,t3,t4;
drop database if exists mysqltest;
create table t1 (id int unsigned not null auto_increment, code tinyint unsigned not null, name char(20) not null, primary key (id), key (code), unique (name)) engine=innodb;
@ -778,7 +783,7 @@ create table t1 (a int primary key,b int, c int, d int, e int, f int, g int, h
insert into t1 values (1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1);
explain select * from t1 where a > 0 and a < 50;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL # Using where
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL # Using index condition
drop table t1;
create table t1 (id int NOT NULL,id2 int NOT NULL,id3 int NOT NULL,dummy1 char(30),primary key (id,id2),index index_id3 (id3)) engine=innodb;
insert into t1 values (0,0,0,'ABCDEFGHIJ'),(2,2,2,'BCDEFGHIJK'),(1,1,1,'CDEFGHIJKL');
@ -3303,3 +3308,4 @@ Variable_name Value
Handler_update 1
Variable_name Value
Handler_delete 1
set optimizer_switch=@innodb_test_tmp;

57
mysql-test/r/innodb_bug878769.result Normal file
View File

@ -0,0 +1,57 @@
drop table if exists t1,t2;
#
# Bug #878769: valgrind complains when using join cache
# to join an InnoDB table without primary key
#
CREATE TABLE t1 (
col_int_key int(11), col_time_key time, col_varchar_key varchar(1),
KEY (col_int_key), KEY (col_varchar_key,col_int_key)
) ENGINE=InnoDB;
INSERT IGNORE INTO t1 VALUES
(7,'10:19:31','d'),(1,'14:40:36','r'),(7,'04:37:47','f'),(9,'19:34:06','y'),
(2,'00:00:00','m'),(4,'00:13:25','q'),(0,'03:47:16',NULL),(4,'01:41:48','d'),
(8,'00:00:00','g'),(NULL,'22:32:04','x'),(NULL,'16:44:14','f'),
(0,'17:38:37','p'),(NULL,'08:46:48','j'),(8,'14:11:27','c');
CREATE TABLE t2 (
col_int_nokey int(11), col_int_key int(11),
col_datetime_key datetime, col_datetime_nokey datetime,
col_varchar_key varchar(1), col_varchar_nokey varchar(1),
KEY (col_int_key), KEY (col_varchar_key,col_int_key)
);
INSERT IGNORE INTO t2 VALUES
(150,62,'2008-01-03 10:33:32','2008-01-03 10:33:32','v','v'),
(2,1,'2007-10-09 19:53:04','2007-10-09 19:53:04',NULL,NULL),
(5,0,'2001-11-08 21:02:12','2001-11-08 21:02:12','x','x'),
(3,7,'2003-04-01 00:00','2003-04-01 00:00','i','i'),
(1,7,'1900-01-01 00:00','1900-01-01 00:00:00','e','e'),
(NULL,7,'2005-04-04 01:21','2005-04-04 01:21','s','s'),
(2,1,'1900-01-01 00:00','1900-01-01 00:00','j','j'),
(8,0,'2004-04-28 21:44','2004-04-28 21:44','a','a'),
(6,8,'2001-04-18 00:00','2001-04-18 00:00:00','y','y'),
(8,1,'2008-12-18 19:39:55','2008-12-18 19:39:55',NULL,NULL),
(3,1,'2000-08-01 12:19:39','2000-08-01 12:19:39','r','r'),
(3,9,'2004-09-25 21:29:06','2004-09-25 21:29:06','v','v');
set session optimizer_switch='mrr=on,mrr_sort_keys=on';
set session join_cache_level=6;
EXPLAIN
SELECT t1.col_time_key, t1.col_varchar_key
FROM t2 STRAIGHT_JOIN t1 ON t1.col_int_key = t2.col_int_key
GROUP BY 1,2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index col_int_key col_int_key 5 NULL 12 Using where; Using index; Using temporary; Using filesort
1 SIMPLE t1 ref col_int_key col_int_key 5 test.t2.col_int_key 1 Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
SELECT t1.col_time_key, t1.col_varchar_key
FROM t2 STRAIGHT_JOIN t1 ON t1.col_int_key = t2.col_int_key
GROUP BY 1,2;
col_time_key col_varchar_key
00:00:00 g
03:47:16 NULL
04:37:47 f
10:19:31 d
14:11:27 c
14:40:36 r
17:38:37 p
19:34:06 y
set session optimizer_switch=default;
set session join_cache_level=default;
DROP TABLE t1,t2;

502
mysql-test/r/innodb_icp.result
View File

@ -1,5 +1,7 @@
set @save_storage_engine= @@storage_engine;
set storage_engine=InnoDB;
set @innodb_icp_tmp=@@optimizer_switch;
set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
#
# Bug#36981 - "innodb crash when selecting for update"
#
@ -81,6 +83,150 @@ c1 c2 c3 c4
DROP TABLE t1;
#
# Bug#43617 - Innodb returns wrong results with timestamp's range value
# in IN clause
# (Note: Fixed by patch for BUG#42580)
#
CREATE TABLE t1(
c1 TIMESTAMP NOT NULL,
c2 TIMESTAMP NULL,
c3 DATE,
c4 DATETIME,
PRIMARY KEY(c1),
UNIQUE INDEX(c2)
);
INSERT INTO t1 VALUES
('0000-00-00 00:00:00','0000-00-00 00:00:00','2008-01-04','2008-01-05 00:00:00'),
('1971-01-01 00:00:01','1980-01-01 00:00:01','2009-01-01','2009-01-02 00:00:00'),
('1999-01-01 00:00:00','1999-01-01 00:00:00', NULL, NULL),
('2007-05-23 09:15:28','2007-05-23 09:15:28','2007-05-24','2007-05-24 09:15:28'),
('2007-05-27 00:00:00','2007-05-25 00:00:00','2007-05-26','2007-05-26 00:00:00'),
('2008-01-01 00:00:00', NULL, '2008-01-02','2008-01-03 00:00:00'),
('2009-01-29 11:11:27','2009-01-29 11:11:27','2009-01-29','2009-01-29 11:11:27'),
('2038-01-09 03:14:07','2038-01-09 03:14:07','2009-01-05','2009-01-06 00:00:00');
SELECT *
FROM t1
WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07')
ORDER BY c2;
c1 c2 c3 c4
2038-01-09 03:14:07 2038-01-09 03:14:07 2009-01-05 2009-01-06 00:00:00
SELECT *
FROM t1
WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07')
ORDER BY c2 LIMIT 2;
c1 c2 c3 c4
2038-01-09 03:14:07 2038-01-09 03:14:07 2009-01-05 2009-01-06 00:00:00
SELECT *
FROM t1
WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07')
ORDER BY c2 DESC;
c1 c2 c3 c4
2038-01-09 03:14:07 2038-01-09 03:14:07 2009-01-05 2009-01-06 00:00:00
SELECT *
FROM t1
WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07')
ORDER BY c2 DESC LIMIT 2;
c1 c2 c3 c4
2038-01-09 03:14:07 2038-01-09 03:14:07 2009-01-05 2009-01-06 00:00:00
DROP TABLE t1;
#
# BUG#43618: MyISAM&Maria returns wrong results with 'between'
# on timestamp
#
CREATE TABLE t1(
ts TIMESTAMP NOT NULL,
c char NULL,
PRIMARY KEY(ts)
);
INSERT INTO t1 VALUES
('1971-01-01','a'),
('2007-05-25','b'),
('2008-01-01','c'),
('2038-01-09','d');
# Execute select with invalid timestamp, desc ordering
SELECT *
FROM t1
WHERE ts BETWEEN '0000-00-00' AND '2010-00-01 00:00:00'
ORDER BY ts DESC
LIMIT 2;
ts c
2008-01-01 00:00:00 c
2007-05-25 00:00:00 b
# Should use index condition
EXPLAIN
SELECT *
FROM t1
WHERE ts BETWEEN '0000-00-00' AND '2010-00-01 00:00:00'
ORDER BY ts DESC
LIMIT 2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 2 Using index condition
DROP TABLE t1;
#
# BUG#49906: Assertion failed - Field_varstring::val_str in field.cc
# (Note: Fixed by patch for LP BUG#625841)
#
CREATE TABLE t1 (
f1 VARCHAR(1024),
f2 VARCHAR(10),
INDEX test_idx USING BTREE (f2,f1(5))
);
INSERT INTO t1 VALUES ('a','c'), ('b','d');
SELECT f1
FROM t1
WHERE f2 LIKE 'd'
ORDER BY f1;
f1
b
DROP TABLE t1;
#
# Bug#52660 - "Perf. regr. using ICP for MyISAM on range queries on
# an index containing TEXT"
#
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
CREATE TABLE t2 (a INT);
INSERT INTO t2 SELECT A.a + 10*(B.a) FROM t1 A, t1 B;
CREATE TABLE t3 (
c1 TINYTEXT NOT NULL,
i1 INT NOT NULL,
KEY (c1(6),i1)
);
INSERT INTO t3 SELECT CONCAT('c-',1000+t2.a,'=w'), 1 FROM t2;
EXPLAIN
SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t3 range c1 c1 8 NULL 3 Using where
SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w';
c1
c-1004=w
c-1005=w
c-1006=w
EXPLAIN
SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w' and i1 > 2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t3 range c1 c1 12 NULL 2 Using index condition; Using where
SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w' and i1 > 2;
c1
EXPLAIN
SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w' or i1 > 2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t3 ALL c1 NULL NULL NULL 100 Using where
SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w' or i1 > 2;
c1
c-1004=w
c-1005=w
c-1006=w
DROP TABLE t1, t2, t3;
#
# Bug#40992 - InnoDB: Crash when engine_condition_pushdown is on
#
CREATE TABLE t (
@ -200,4 +346,360 @@ COUNT(*)
12
DROP PROCEDURE insert_data;
DROP TABLE t1, t2, t3;
#
# Bug#57372 "Multi-table updates and deletes fail when running with ICP
# against InnoDB"
#
CREATE TABLE t1 (
a INT KEY,
b INT
);
CREATE TABLE t2 (
a INT KEY,
b INT
);
INSERT INTO t1 VALUES (1, 101), (2, 102), (3, 103), (4, 104), (5, 105);
INSERT INTO t2 VALUES (1, 1), (2, 2), (3, 3), (4, 4), (5, 5);
UPDATE t1, t2
SET t1.a = t1.a + 100, t2.b = t1.a + 10
WHERE t1.a BETWEEN 2 AND 4 AND t2.a = t1.b - 100;
SELECT * FROM t1;
a b
1 101
102 102
103 103
104 104
5 105
SELECT * FROM t2;
a b
1 1
2 12
3 13
4 14
5 5
DROP TABLE t1, t2;
#
# Bug#52605 - "Adding LIMIT 1 clause to query with complex range
# predicate causes wrong results"
#
CREATE TABLE t1 (
pk INT NOT NULL,
c1 INT,
PRIMARY KEY (pk),
KEY k1 (c1)
);
INSERT INTO t1 VALUES (1,NULL);
INSERT INTO t1 VALUES (2,6);
INSERT INTO t1 VALUES (3,NULL);
INSERT INTO t1 VALUES (4,6);
INSERT INTO t1 VALUES (5,NULL);
INSERT INTO t1 VALUES (6,NULL);
INSERT INTO t1 VALUES (7,9);
INSERT INTO t1 VALUES (8,0);
SELECT pk, c1
FROM t1
WHERE (pk BETWEEN 4 AND 5 OR pk < 2) AND c1 < 240
ORDER BY c1
LIMIT 1;
pk c1
4 6
EXPLAIN SELECT pk, c1
FROM t1
WHERE (pk BETWEEN 4 AND 5 OR pk < 2) AND c1 < 240
ORDER BY c1
LIMIT 1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY,k1 k1 5 NULL 3 Using where; Using index
DROP TABLE t1;
#
# Bug#59259 "Incorrect rows returned for a correlated subquery
# when ICP is on"
#
CREATE TABLE t1 (pk INTEGER PRIMARY KEY, i INTEGER NOT NULL) ENGINE=InnoDB;
INSERT INTO t1 VALUES (11,0);
INSERT INTO t1 VALUES (12,5);
INSERT INTO t1 VALUES (15,0);
CREATE TABLE t2 (pk INTEGER PRIMARY KEY, i INTEGER NOT NULL) ENGINE=InnoDB;
INSERT INTO t2 VALUES (11,1);
INSERT INTO t2 VALUES (12,2);
INSERT INTO t2 VALUES (15,4);
set @save_optimizer_switch= @@optimizer_switch;
set optimizer_switch='semijoin=off';
EXPLAIN
SELECT * FROM t1
WHERE pk IN (SELECT it.pk FROM t2 JOIN t2 AS it ON it.i=it.i WHERE it.pk-t1.i<10);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 Using where
2 DEPENDENT SUBQUERY t2 index NULL PRIMARY 4 NULL 3 Using index
2 DEPENDENT SUBQUERY it eq_ref PRIMARY PRIMARY 4 func 1 Using index condition
SELECT * FROM t1
WHERE pk IN (SELECT it.pk FROM t2 JOIN t2 AS it ON it.i=it.i WHERE it.pk-t1.i<10);
pk i
12 5
set optimizer_switch=@save_optimizer_switch;
DROP TABLE t1, t2;
#
# Bug #58816 "Extra temporary duplicate rows in result set when
# switching ICP off"
#
set @save_optimizer_switch= @@optimizer_switch;
CREATE TABLE t1 (
pk INT NOT NULL,
c1 INT NOT NULL,
PRIMARY KEY (pk)
);
INSERT INTO t1 VALUES (1,9),(2,7),(3,6),(4,3),(5,1);
EXPLAIN SELECT pk, c1 FROM t1 WHERE pk <> 3;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 4 Using index condition
SET SESSION optimizer_switch='index_condition_pushdown=off';
SELECT pk, c1 FROM t1 WHERE pk <> 3;
pk c1
1 9
2 7
4 3
5 1
DROP TABLE t1;
set optimizer_switch= @save_optimizer_switch;
#
# Bug#58837: ICP crash or valgrind error due to uninitialized
# value in innobase_index_cond
#
CREATE TABLE t1 (
t1_int INT,
t1_time TIME
);
CREATE TABLE t2 (
t2_int int PRIMARY KEY,
t2_int2 INT
);
INSERT INTO t2 VALUES ();
INSERT INTO t1 VALUES ();
SELECT * FROM t1 AS t1a
WHERE NOT EXISTS (SELECT * FROM t1 AS t1b
WHERE t1b.t1_int NOT IN
(SELECT t2.t2_int FROM t2
WHERE t1b.t1_time LIKE t1b.t1_int
OR t1b.t1_time <> t2.t2_int2
AND 6=7));
t1_int t1_time
DROP TABLE t1,t2;
#
# Bug#59186: Wrong results of join when ICP is enabled
# (fixed by the patch for LP bug #694092)
#
CREATE TABLE t1 (
pk INTEGER NOT NULL,
c1 VARCHAR(3) NOT NULL,
PRIMARY KEY (pk)
);
INSERT INTO t1 VALUES (1,'y'),(0,'or');
CREATE TABLE t2 (
pk INTEGER NOT NULL,
c1 VARCHAR(3) NOT NULL,
c2 VARCHAR(6) NOT NULL,
PRIMARY KEY (pk)
);
INSERT INTO t2 VALUES (6,'y','RPOYT'),(10,'m','JINQE');
EXPLAIN
SELECT c2 FROM t1 JOIN t2 ON t1.c1 = t2.c1
WHERE (t2.pk <= 4 AND t1.pk IN (2,1)) OR
(t1.pk > 1 AND t2.pk BETWEEN 6 AND 6);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 1 Using index condition; Using where
1 SIMPLE t2 range PRIMARY PRIMARY 4 NULL 2 Using index condition; Using where; Using join buffer (flat, BNL join)
SELECT c2 FROM t1 JOIN t2 ON t1.c1 = t2.c1
WHERE (t2.pk <= 4 AND t1.pk IN (2,1)) OR
(t1.pk > 1 AND t2.pk BETWEEN 6 AND 6);
c2
DROP TABLE t1, t2;
#
# Bug#58838: "Wrong results with HAVING + LIMIT without GROUP BY when
# ICP is enabled".
# (Fixed by the patches for LP bugs #668644, #702322)
#
CREATE TABLE t1 (
pk INT NOT NULL,
c1 INT,
PRIMARY KEY (pk),
KEY col_int_key (c1)
);
INSERT INTO t1 VALUES (1,37),(2,8),(3,-25),(4,NULL),(5,55);
SELECT pk FROM t1 WHERE c1 <> 1 HAVING pk = 3 ORDER BY pk LIMIT 0;
pk
SELECT pk FROM t1 WHERE c1 <> 1 HAVING pk = 3 ORDER BY pk LIMIT 1;
pk
3
SELECT pk FROM t1 WHERE c1 <> 1 HAVING pk = 3 ORDER BY pk LIMIT 2;
pk
3
SELECT pk FROM t1 WHERE c1 <> 1 HAVING pk = 3 ORDER BY pk LIMIT 5;
pk
3
DROP TABLE t1;
#
# Bug#59483 "Crash on INSERT/REPLACE in
# rec_convert_dtuple_to_rec_comp with ICP on"
#
CREATE TABLE t1 (
pk INTEGER AUTO_INCREMENT PRIMARY KEY,
i1 INTEGER,
c1 CHAR(6),
i2 INTEGER NOT NULL,
KEY (i2)
);
INSERT INTO t1 VALUES
(NULL, 4, 'that', 8),
(NULL, 1, 'she', 6),
(NULL, 6, 'tell', 2);
SELECT * FROM t1 WHERE i2 IN (3, 6) LIMIT 2 FOR UPDATE;
pk i1 c1 i2
2 1 she 6
INSERT INTO t1 (i2) VALUES (1);
DROP TABLE t1;
#
# Bug #11766678 - 59843:
# USING UNINITIALISED VALUE IN USES_INDEX_FIELDS_ONLY
#
CREATE TABLE t1 (
col999 FLOAT NOT NULL,
COL1000 VARBINARY(179) NOT NULL,
col1003 DATE DEFAULT NULL,
KEY idx4267 (col1000, col1003)
);
INSERT INTO t1 VALUES (),();
Warnings:
Warning 1364 Field 'col999' doesn't have a default value
Warning 1364 Field 'COL1000' doesn't have a default value
SELECT col999 FROM t1 WHERE col1000 = "3" AND col1003 <=> sysdate();
col999
DROP TABLE t1;
#
# BUG#12822678 - ICP WITH STRAIGHT_JOIN
#
CREATE TABLE t1 (
i1 INTEGER NOT NULL,
d1 DOUBLE,
KEY k1 (d1)
);
INSERT INTO t1 VALUES (10,1), (17,NULL), (22,NULL);
CREATE TABLE t2 (
pk INTEGER NOT NULL,
i1 INTEGER NOT NULL,
PRIMARY KEY (pk)
);
INSERT INTO t2 VALUES (4,1);
EXPLAIN
SELECT t1.d1, t2.pk, t2.i1 FROM t1 STRAIGHT_JOIN t2 ON t2.i1
WHERE t2.pk <> t1.d1 AND t2.pk = 4;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL k1 9 NULL 3 Using index
1 SIMPLE t2 const PRIMARY PRIMARY 4 const 1 Using where
SELECT t1.d1, t2.pk, t2.i1 FROM t1 STRAIGHT_JOIN t2 ON t2.i1
WHERE t2.pk <> t1.d1 AND t2.pk = 4;
d1 pk i1
1 4 1
DROP TABLE t1, t2;
#
# BUG#778434 Wrong result with in_to_exists=on in maria-5.3-mwl89
#
CREATE TABLE t1 ( f11 int) ;
INSERT IGNORE INTO t1 VALUES (0);
CREATE TABLE t2 ( f10 int) ;
INSERT IGNORE INTO t2 VALUES (0);
CREATE TABLE t3 ( f1 int NOT NULL , f10 int, PRIMARY KEY (f1)) ;
INSERT IGNORE INTO t3 VALUES (6,0),(10,0);
CREATE TABLE t4 ( f11 int) ;
INSERT IGNORE INTO t4 VALUES
(0),(0),(0),(0),(0),(0),(0),(0),(0),(0),(NULL),
(0),(0),(0),(0),(0),(0),(0),(0),(0),(0);
set @tmp_778434=@@optimizer_switch;
SET optimizer_switch='materialization=off,in_to_exists=on,subquery_cache=off,semijoin=off';
SELECT * FROM t1 INNER JOIN t2 ON t2.f10 = t1.f11
WHERE (6, 234) IN (
SELECT t3.f1, t3.f1
FROM t3 JOIN t4 ON t4.f11 = t3.f10
);
f11 f10
DROP TABLE t1,t2,t3,t4;
set optimizer_switch= @tmp_778434;
#
# Bug#885168: ICP for one index + potential ORDER BY for another
#
CREATE TABLE t1 (a varchar(64), b varchar(10), INDEX(a), INDEX(b)) ;
INSERT INTO t1 VALUES
('Ohio','Iowa'), ('k','d'), ('bdkpj','mbdkpjdanp'), ('d','xdmbdkpjda'),
('fkxdmbdkpjdanpje','o'), ('f','Pennsylvan'), ('Virginia','ei');
SET SESSION optimizer_switch='index_condition_pushdown=off';
EXPLAIN
SELECT * FROM t1
WHERE NOT(b = 'Texas') AND b BETWEEN 'wy' AND 'y' OR b = 'Pennsylvania'
ORDER BY a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range b b 13 NULL 2 Using where; Rowid-ordered scan; Using filesort
SELECT * FROM t1
WHERE NOT(b = 'Texas') AND b BETWEEN 'wy' AND 'y' OR b = 'Pennsylvania'
ORDER BY a;
a b
d xdmbdkpjda
SET SESSION optimizer_switch='index_condition_pushdown=on';
EXPLAIN
SELECT * FROM t1
WHERE NOT(b = 'Texas') AND b BETWEEN 'wy' AND 'y' OR b = 'Pennsylvania'
ORDER BY a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range b b 13 NULL 2 Using index condition; Using where; Rowid-ordered scan; Using filesort
SELECT * FROM t1
WHERE NOT(b = 'Texas') AND b BETWEEN 'wy' AND 'y' OR b = 'Pennsylvania'
ORDER BY a;
a b
d xdmbdkpjda
DROP TABLE t1;
#
# Bug#886145: join with ICP + ORDER BY
#
CREATE TABLE t1 (b int NOT NULL, c int, a varchar(1024), PRIMARY KEY (b));
INSERT INTO t1 VALUES (1,4,'Ill');
CREATE TABLE t2 (a varchar(1024), KEY (a(512)));
INSERT INTO t2 VALUES
('Ill'), ('eckqzsflbzaffti'), ('w'), ('she'), ('gxbwypqtjzwywwer'), ('w');
SET SESSION optimizer_switch='index_condition_pushdown=off';
EXPLAIN
SELECT t1.b, t1.c FROM t1, t2 WHERE t1.a = t2.a AND t1.b != 0
HAVING t1.c != 5 ORDER BY t1.c;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 2 Using where; Using filesort
1 SIMPLE t2 ref a a 515 test.t1.a 1 Using where
SELECT t1.b, t1.c FROM t1, t2 WHERE t1.a = t2.a AND t1.b != 0
HAVING t1.c != 5 ORDER BY t1.c;
b c
1 4
SET SESSION optimizer_switch='index_condition_pushdown=on';
EXPLAIN
SELECT t1.b, t1.c FROM t1, t2 WHERE t1.a = t2.a AND t1.b != 0
HAVING t1.c != 5 ORDER BY t1.c;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 2 Using index condition; Using where; Using filesort
1 SIMPLE t2 ref a a 515 test.t1.a 1 Using where
SELECT t1.b, t1.c FROM t1, t2 WHERE t1.a = t2.a AND t1.b != 0
HAVING t1.c != 5 ORDER BY t1.c;
b c
1 4
DROP TABLE t1,t2;
#
# Bug#879871: InnoDB: possible ICP + GROUP BY primary index
#
CREATE TABLE t1 (
a int NOT NULL, b int, c varchar(1), d varchar(1),
PRIMARY KEY (a), KEY c (c,b)
);
INSERT INTO t1 VALUES (10,8,'g','g');
SET SESSION optimizer_switch='index_condition_pushdown=off';
SELECT a FROM t1 WHERE c IS NULL AND d IS NOT NULL GROUP BY 1;
a
SET SESSION optimizer_switch='index_condition_pushdown=on';
SELECT a FROM t1 WHERE c IS NULL AND d IS NOT NULL GROUP BY 1;
a
DROP TABLE t1;
set optimizer_switch=@innodb_icp_tmp;
set storage_engine= @save_storage_engine;

8
mysql-test/r/innodb_mrr.result
View File

@ -1,6 +1,8 @@
drop table if exists t1,t2,t3,t4;
set @save_storage_engine= @@storage_engine;
set storage_engine=InnoDB;
set @innodb_mrr_tmp=@@optimizer_switch;
set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
create table t1(a int);
show create table t1;
Table Create Table
@ -184,7 +186,7 @@ explain
select * from t4 where a IS NULL and b IS NULL and (c IS NULL or c='no-such-row1'
or c='no-such-row2');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t4 range idx1 idx1 29 NULL 16 Using index condition; Rowid-ordered scan
1 SIMPLE t4 range idx1 idx1 29 NULL 16 Using index condition; Using where; Rowid-ordered scan
select * from t4 where a IS NULL and b IS NULL and (c IS NULL or c='no-such-row1'
or c='no-such-row2');
a b c filler
@ -206,7 +208,7 @@ NULL NULL NULL NULL-1
explain
select * from t4 where (a ='b-1' or a='bb-1') and b IS NULL and (c='c-1' or c='cc-2');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t4 range idx1 idx1 29 NULL 32 Using index condition; Rowid-ordered scan
1 SIMPLE t4 range idx1 idx1 29 NULL 32 Using index condition; Using where; Rowid-ordered scan
select * from t4 where (a ='b-1' or a='bb-1') and b IS NULL and (c='c-1' or c='cc-2');
a b c filler
b-1 NULL c-1 NULL-15
@ -726,6 +728,7 @@ JA USA
DROP TABLE t1,t2;
#
# Testcase backport: Bug#43249
# (Note: Fixed by patch for BUG#42580)
#
CREATE TABLE t1(c1 TIME NOT NULL, c2 TIME NULL, c3 DATE, PRIMARY KEY(c1), UNIQUE INDEX(c2)) engine=innodb;
INSERT INTO t1 VALUES('8:29:45',NULL,'2009-02-01');
@ -764,4 +767,5 @@ t1 AS alias3 FORCE KEY (f2) ON alias3.f2 = alias2.f2 AND alias3.f4 = alias2.f3
count(*)
361
set join_cache_level=@_save_join_cache_level;
set optimizer_switch= @innodb_mrr_tmp;
drop table t1;

3
mysql-test/r/innodb_mrr_cpk.result
View File

@ -1,4 +1,6 @@
drop table if exists t0,t1,t2,t3;
set @innodb_mrr_cpk_tmp=@@optimizer_switch;
set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
set @save_join_cache_level=@@join_cache_level;
set join_cache_level=6;
set @save_storage_engine=@@storage_engine;
@ -145,4 +147,5 @@ set optimizer_switch='index_condition_pushdown=on';
drop table t1,t2;
set @@join_cache_level= @save_join_cache_level;
set storage_engine=@save_storage_engine;
set optimizer_switch=@innodb_mrr_cpk_tmp;
drop table t0;

3316
mysql-test/r/innodb_no_mrricp.result Normal file
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104
mysql-test/r/innodb_release_row_locks_early.result
View File

@ -1,104 +0,0 @@
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (k INT NOT NULL, a INT NOT NULL, b INT NOT NULL, c INT NOT NULL, PRIMARY KEY(k)) ENGINE=InnoDB;
INSERT INTO t1 (k, a, b, c) VALUES (1, 0, 0, 0);
INSERT INTO t1 (k, a, b, c) VALUES (2, 0, 0, 0);
INSERT INTO t1 (k, a, b, c) VALUES (3, 0, 0, 0);
INSERT INTO t1 (k, a, b, c) VALUES (4, 0, 0, 0);
RESET MASTER;
SET DEBUG_SYNC= 'RESET';
# Connection c1
SET binlog_format= mixed;
BEGIN;
UPDATE t1 SET a=10 WHERE k=1;
SET DEBUG_SYNC="commit_after_release_LOCK_prepare_ordered SIGNAL c1_prepared WAIT_FOR c2_committing";
COMMIT;
# Connection c2
SET binlog_format= mixed;
SET DEBUG_SYNC="now WAIT_FOR c1_prepared";
BEGIN;
SELECT * FROM t1 WHERE k=1 FOR UPDATE;
k a b c
1 10 0 0
UPDATE t1 SET a=20 WHERE k=1;
SET DEBUG_SYNC="now SIGNAL c2_committing";
COMMIT;
# Connection c1
BEGIN;
UPDATE t1 SET a=10 WHERE k=2;
SET DEBUG_SYNC="commit_after_release_LOCK_prepare_ordered SIGNAL c1_prepared WAIT_FOR c2_committed TIMEOUT 2";
COMMIT;
# Connection c2
SET DEBUG_SYNC="now WAIT_FOR c1_prepared";
BEGIN;
SELECT * FROM t1 WHERE k=2 FOR UPDATE;
k a b c
2 10 0 0
UPDATE t1 SET a=20 WHERE k=2;
SET DEBUG_SYNC="binlog_after_log_and_order SIGNAL c2_committed";
COMMIT;
# Connection c1
# This should warn about DEBUG_SYNC timeout
Warnings:
Warning 1639 debug sync point wait timed out
# Connection c2
SHOW BINLOG EVENTS LIMIT 2,12;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # Query 1 # use `test`; UPDATE t1 SET a=10 WHERE k=1
master-bin.000001 # Xid 1 # COMMIT /* xid=XX */
master-bin.000001 # Query 1 # BEGIN
master-bin.000001 # Query 1 # use `test`; UPDATE t1 SET a=20 WHERE k=1
master-bin.000001 # Xid 1 # COMMIT /* xid=XX */
master-bin.000001 # Query 1 # BEGIN
master-bin.000001 # Query 1 # use `test`; UPDATE t1 SET a=10 WHERE k=2
master-bin.000001 # Xid 1 # COMMIT /* xid=XX */
master-bin.000001 # Query 1 # BEGIN
master-bin.000001 # Query 1 # use `test`; UPDATE t1 SET a=20 WHERE k=2
master-bin.000001 # Xid 1 # COMMIT /* xid=XX */
# Connection c1
RESET MASTER;
SET DEBUG_SYNC="commit_after_release_LOCK_prepare_ordered SIGNAL c1_prepared WAIT_FOR c2_committing";
UPDATE t1 SET a=10 WHERE k=3;
# Connection c2
SET DEBUG_SYNC="now WAIT_FOR c1_prepared";
SELECT * FROM t1 WHERE k=3 FOR UPDATE;
k a b c
3 10 0 0
SET DEBUG_SYNC="commit_after_release_LOCK_prepare_ordered SIGNAL c2_committing";
UPDATE t1 SET a=20 WHERE k=3;
# Connection c1
SET DEBUG_SYNC="commit_after_release_LOCK_prepare_ordered SIGNAL c1_prepared WAIT_FOR c2_committed TIMEOUT 2";
UPDATE t1 SET a=10 WHERE k=4;
# Connection c2
SET DEBUG_SYNC="now WAIT_FOR c1_prepared";
SELECT * FROM t1 WHERE k=4 FOR UPDATE;
k a b c
4 10 0 0
SET DEBUG_SYNC="binlog_after_log_and_order SIGNAL c2_committed";
UPDATE t1 SET a=20 WHERE k=4;
# Connection c1
# This should warn about DEBUG_SYNC timeout
Warnings:
Warning 1639 debug sync point wait timed out
# Connection c2
SHOW BINLOG EVENTS LIMIT 1,12;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # Query 1 # BEGIN
master-bin.000001 # Query 1 # use `test`; UPDATE t1 SET a=10 WHERE k=3
master-bin.000001 # Xid 1 # COMMIT /* xid=XX */
master-bin.000001 # Query 1 # BEGIN
master-bin.000001 # Query 1 # use `test`; UPDATE t1 SET a=20 WHERE k=3
master-bin.000001 # Xid 1 # COMMIT /* xid=XX */
master-bin.000001 # Query 1 # BEGIN
master-bin.000001 # Query 1 # use `test`; UPDATE t1 SET a=10 WHERE k=4
master-bin.000001 # Xid 1 # COMMIT /* xid=XX */
master-bin.000001 # Query 1 # BEGIN
master-bin.000001 # Query 1 # use `test`; UPDATE t1 SET a=20 WHERE k=4
master-bin.000001 # Xid 1 # COMMIT /* xid=XX */
SELECT * FROM t1 ORDER BY k;
k a b c
1 20 0 0
2 20 0 0
3 20 0 0
4 20 0 0
DROP TABLE t1;
SET DEBUG_SYNC= 'RESET';

29
mysql-test/r/join.result
View File

@ -1,4 +1,5 @@
drop table if exists t1,t2,t3;
drop view if exists v1,v2;
CREATE TABLE t1 (S1 INT);
CREATE TABLE t2 (S1 INT);
INSERT INTO t1 VALUES (1);
@ -1221,6 +1222,24 @@ f1
DEALLOCATE PREPARE stmt;
DROP TABLE t1;
#
# Bug LP:798597: Incorrect "Duplicate entry" error with views and
# GROUP BY
#
CREATE TABLE t1 ( f1 int NOT NULL , f2 int NOT NULL ) ;
INSERT INTO t1 VALUES (214,0),(6,6);
CREATE TABLE t2 ( f2 int) ;
INSERT INTO t2 VALUES (88),(88);
CREATE ALGORITHM=MERGE VIEW v1 AS SELECT t1.f1, t2.f2 FROM (t2 LEFT JOIN t1 ON (t2.f2 <> t1.f1)) WHERE (t1.f2 <= 0) ;
CREATE ALGORITHM=MERGE VIEW v2 AS SELECT t1.f1, t2.f2 FROM (t2 LEFT JOIN t1 ON (t2.f2 <> t1.f1)) WHERE (t1.f2 <= 0 or t1.f2 is null) ;
SELECT f1 , MIN(f2) FROM v1 GROUP BY f1;
f1 MIN(f2)
214 88
SELECT f1 , MIN(f2) FROM v2 GROUP BY f1;
f1 MIN(f2)
214 88
drop table t1,t2;
drop view v1,v2;
#
# BUG#47217 Lost optimization caused slowdown & wrong result.
#
CREATE TABLE t1 (pk INT, v VARCHAR(2), PRIMARY KEY(pk));
@ -1245,7 +1264,7 @@ SHOW STATUS LIKE 'Handler_read_%';
Variable_name Value
Handler_read_first 0
Handler_read_key 1
Handler_read_next 0
Handler_read_next 2
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_next 1
@ -1320,3 +1339,11 @@ WHERE t1.f1 IN (SELECT f1 FROM t1) AND t1.f1 = t2.f1 OR t1.f1 = 9;
f1 f2 f1 f2
9 4 10 9
DROP TABLE t1,t2;
create table t1 (i time key);
insert into t1 values ('1:1:1'), ('2:2:2');
create table t2 (i time);
insert into t2 values ('1:1:1');
select t2.i from t1 left join t2 on t2.i = t1.i where t1.i = '1:1:1';
i
01:01:01
drop table t1,t2;

264
mysql-test/r/join_cache.result
View File

@ -1,8 +1,12 @@
DROP TABLE IF EXISTS t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11;
DROP DATABASE IF EXISTS world;
set @save_optimizer_switch=@@optimizer_switch;
set @@optimizer_switch='optimize_join_buffer_size=on';
set optimizer_switch='semijoin=on,firstmatch=on,loosescan=on';
set @@optimizer_switch='semijoin_with_cache=on';
set @@optimizer_switch='outer_join_with_cache=on';
set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
set @local_join_cache_test_optimizer_switch_default=@@optimizer_switch;
set names utf8;
CREATE DATABASE world;
use world;
@ -3032,13 +3036,13 @@ t6.formattypeid IN (2) AND (t3.formatid IN (31, 8, 76)) AND
t1.metaid = t2.metaid AND t1.affiliateid = '2';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t6 system PRIMARY NULL NULL NULL 1
1 SIMPLE t1 ref t1_affiliateid,t1_metaid t1_affiliateid 4 const 1 Using index condition
1 SIMPLE t4 ref PRIMARY,t4_formatclassid,t4_formats_idx t4_formats_idx 1 const 1 Using index condition; Using where; Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
1 SIMPLE t5 eq_ref PRIMARY,t5_formattypeid PRIMARY 4 test.t4.formatclassid 1 Using where; Using join buffer (incremental, BKA join); Key-ordered Rowid-ordered scan
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.metaid 1 Using join buffer (incremental, BKA join); Key-ordered Rowid-ordered scan
1 SIMPLE t1 ref t1_affiliateid,t1_metaid t1_affiliateid 4 const 1
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.metaid 1 Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
1 SIMPLE t7 ref PRIMARY PRIMARY 4 test.t1.metaid 1 Using index
1 SIMPLE t3 ref t3_metaid,t3_formatid,t3_metaidformatid t3_metaid 4 test.t1.metaid 2 Using where; Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
1 SIMPLE t8 eq_ref PRIMARY PRIMARY 4 test.t7.artistid 1 Using join buffer (incremental, BKA join); Key-ordered Rowid-ordered scan
1 SIMPLE t8 eq_ref PRIMARY PRIMARY 4 test.t7.artistid 1 Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
1 SIMPLE t3 ref t3_metaid,t3_formatid,t3_metaidformatid t3_metaidformatid 4 test.t1.metaid 1 Using index condition; Using join buffer (incremental, BKA join); Key-ordered Rowid-ordered scan
1 SIMPLE t4 eq_ref PRIMARY,t4_formatclassid,t4_formats_idx PRIMARY 4 test.t3.formatid 1 Using where; Using join buffer (incremental, BKA join); Key-ordered Rowid-ordered scan
1 SIMPLE t5 eq_ref PRIMARY,t5_formattypeid PRIMARY 4 test.t4.formatclassid 1 Using where; Using join buffer (incremental, BKA join); Key-ordered Rowid-ordered scan
1 SIMPLE t9 index PRIMARY,t9_subgenreid,t9_metaid PRIMARY 8 NULL 2 Using where; Using index; Using join buffer (incremental, BNL join)
1 SIMPLE t10 eq_ref PRIMARY,t10_genreid PRIMARY 4 test.t9.subgenreid 1 Using join buffer (incremental, BKA join); Key-ordered Rowid-ordered scan
1 SIMPLE t11 eq_ref PRIMARY PRIMARY 4 test.t10.genreid 1 Using join buffer (incremental, BKA join); Key-ordered Rowid-ordered scan
@ -3147,6 +3151,8 @@ CREATE TABLE t2 (a int, b int, INDEX idx(a));
INSERT INTO t1 VALUES (5,30), (3,20), (7,40), (2,10), (8,30), (1,10), (4,20);
INSERT INTO t2 VALUES (7,10), (1,20), (2,20), (8,20), (8,10), (1,20);
INSERT INTO t2 VALUES (1,10), (4,20), (3,20), (7,20), (7,10), (1,20);
INSERT INTO t2 VALUES (17,10), (11,20), (12,20), (18,20), (18,10), (11,20);
INSERT INTO t2 VALUES (11,10), (14,20), (13,20), (17,20), (17,10), (11,20);
set join_buffer_size=32;
Warnings:
Warning 1292 Truncated incorrect join_buffer_size value: '32'
@ -3172,6 +3178,7 @@ CREATE TABLE t1 (a int NOT NULL);
INSERT INTO t1 VALUES (2), (4), (3), (5), (1);
CREATE TABLE t2 (a int NOT NULL, b int NOT NULL, INDEX i_a(a));
INSERT INTO t2 VALUES (4,10), (2,10), (2,30), (2,20), (4,20);
INSERT INTO t2 VALUES (14,10), (12,10), (15,30), (12,20), (14,20);
EXPLAIN
SELECT * FROM t1 LEFT JOIN t2 ON t1.a=t2.a WHERE t2.b IS NULL;
id select_type table type possible_keys key key_len ref rows Extra
@ -3562,6 +3569,9 @@ create table t2 (id1 int, id2 int, index idx2 (id1));
insert into t2 values
(20, 100), (30, 400), (20, 400), (30, 200), (10, 300), (10, 200), (40, 100),
(40, 200), (30, 300), (10, 400), (20, 200), (20, 300);
insert into t2 values
(21, 10), (31, 400), (21, 400), (31, 200), (11, 300), (11, 200), (41, 100),
(41, 200), (31, 300), (11, 400), (21, 200), (21, 300);
set join_cache_level=6;
explain
select t1.id1, sum(t2.id2) from t1 join t2 on t1.id1=t2.id1
@ -3609,14 +3619,26 @@ insert into t2 values
(30, 'bbb'), (10, 'b'), (70, 'bbbbbbb'), (60, 'bbbbbb'),
(31, 'bbb'), (11, 'b'), (71, 'bbbbbbb'), (61, 'bbbbbb'),
(32, 'bbb'), (12, 'b'), (72, 'bbbbbbb'), (62, 'bbbbbb');
insert into t2 values
(130, 'bbb'), (110, 'b'), (170, 'bbbbbbb'), (160, 'bbbbbb'),
(131, 'bbb'), (111, 'b'), (171, 'bbbbbbb'), (161, 'bbbbbb'),
(132, 'bbb'), (112, 'b'), (172, 'bbbbbbb'), (162, 'bbbbbb');
insert into t3 values
(4000, 'dddd'), (3000, 'ddd'), (1000, 'd'), (8000, 'dddddddd'),
(4001, 'dddd'), (3001, 'ddd'), (1001, 'd'), (8001, 'dddddddd'),
(4002, 'dddd'), (3002, 'ddd'), (1002, 'd'), (8002, 'dddddddd');
insert into t3 values
(14000, 'dddd'), (13000, 'ddd'), (11000, 'd'), (18000, 'dddddddd'),
(14001, 'dddd'), (13001, 'ddd'), (11001, 'd'), (18001, 'dddddddd'),
(4002, 'dddd'), (3002, 'ddd'), (1002, 'd'), (8002, 'dddddddd');
insert into t4 values
(200, 'cc'), (600, 'cccccc'), (300, 'ccc'), (500, 'ccccc'),
(201, 'cc'), (601, 'cccccc'), (301, 'ccc'), (501, 'ccccc'),
(202, 'cc'), (602, 'cccccc'), (302, 'ccc'), (502, 'ccccc');
insert into t4 values
(1200, 'cc'), (1600, 'cccccc'), (1300, 'ccc'), (1500, 'ccccc'),
(1201, 'cc'), (1601, 'cccccc'), (1301, 'ccc'), (1501, 'ccccc'),
(1202, 'cc'), (1602, 'cccccc'), (1302, 'ccc'), (1502, 'ccccc');
analyze table t2,t3,t4;
set join_cache_level=1;
explain
@ -3961,7 +3983,9 @@ DROP TABLE t1,t2,t3,t4;
CREATE TABLE t1 (b int);
INSERT INTO t1 VALUES (NULL),(3);
CREATE TABLE t2 (a int, b int, KEY (b));
INSERT INTO t2 VALUES (100,NULL),(150,200);
INSERT INTO t2 VALUES
(100,NULL),(150,200),(50,150),(250,350),(180,210),(100,150),
(101,NULL),(151,200),(51,150),(251,350),(181,210),(101,150);
set join_cache_level = 5;
explain SELECT t2.a FROM t1 LEFT JOIN t2 ON t2.b = t1.b;
id select_type table type possible_keys key key_len ref rows Extra
@ -3996,6 +4020,7 @@ CREATE TABLE t1 (b varchar(100));
INSERT INTO t1 VALUES (NULL),("some varchar");
CREATE TABLE t2 (a int, b varchar(100), KEY (b));
INSERT INTO t2 VALUES (100,NULL),(150,"varchar"),(200,NULL),(250,"long long varchar");
INSERT INTO t2 VALUES (100,NULL),(150,"long varchar"),(200,"varchar"),(250,"long long long varchar");
set join_cache_level = 5;
explain SELECT t2.a FROM t1 LEFT JOIN t2 ON t2.b = t1.b;
id select_type table type possible_keys key key_len ref rows Extra
@ -4110,6 +4135,17 @@ INSERT INTO t3 VALUES
(1,0,'2002-07-13','06:34:26','v','v'), (9,3,'2003-01-03','18:07:38','m','m'),
(1,5,'2006-04-02','13:55:23','z','z'), (3,9,'2006-10-19','20:32:28','n','n'),
(8,1,'2005-06-08','11:57:44','d','d'), (231,107,'2006-12-26','03:10:35','a','a');
INSERT INTO t3 VALUES
(103,108,'2008-12-04','00:00:00','a','v'), (103,108,'2009-03-28','00:00:00','b','f'),
(103,105,'1900-01-01','00:55:47','c','v'), (102,108,'2009-10-02','00:00:00','d','s'),
(100,108,'1900-01-01','20:51:59','e','a'), (100,106,'2008-06-04','09:47:27','f','p'),
(108,107,'2009-01-13','21:58:29','g','z'), (105,102,'1900-01-01','22:45:53','h','a'),
(109,105,'2008-01-28','14:06:48','i','h'), (105,107,'2004-09-18','22:17:16','j','h'),
(104,102,'2006-10-14','14:59:37','k','v'), (102,109,'1900-01-01','23:37:40','l','v'),
(1033,1142,'2000-11-28','14:14:01','m','b'), (105,103,'2008-04-04','02:54:19','n','y'),
(100,100,'2002-07-13','06:34:26','o','v'), (109,103,'2003-01-03','18:07:38','p','m'),
(100,105,'2006-04-02','13:55:23','q','z'), (103,109,'2006-10-19','20:32:28','s','n'),
(108,100,'2005-06-08','11:57:44','t','d'), (1231,1107,'2006-12-26','03:10:35','v','a');
CREATE TABLE t1 SELECT * FROM t3;
DELETE FROM t1 WHERE i > 8;
CREATE TABLE t2 SELECT * FROM t3;
@ -4120,55 +4156,87 @@ WHERE t3.u <='a' AND t2.j < 5 AND t3.v = t2.u;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 16
1 SIMPLE t2 ALL NULL NULL NULL NULL 18 Using where; Using join buffer (flat, BNL join)
1 SIMPLE t3 hash_ALL idx #hash#idx 3 test.t2.u 20 Using where; Using join buffer (flat, BNLH join)
1 SIMPLE t3 hash_ALL idx #hash#idx 3 test.t2.u 40 Using where; Using join buffer (flat, BNLH join)
SELECT t1.i, t1.d, t1.v, t2.i, t2.d, t2.t, t2.v FROM t1,t2,t3
WHERE t3.u <='a' AND t2.j < 5 AND t3.v = t2.u;
i d v i d t v
0 2008-06-04 p 1 2002-07-13 06:34:26 v
0 2008-06-04 p 4 2006-10-14 14:59:37 v
0 2008-06-04 p 5 1900-01-01 22:45:53 a
0 2008-06-04 p 5 1900-01-01 22:45:53 a
0 2008-06-04 p 5 1900-01-01 22:45:53 a
1 1900-01-01 a 1 2002-07-13 06:34:26 v
1 1900-01-01 a 4 2006-10-14 14:59:37 v
1 1900-01-01 a 5 1900-01-01 22:45:53 a
1 1900-01-01 a 5 1900-01-01 22:45:53 a
1 1900-01-01 a 5 1900-01-01 22:45:53 a
1 2002-07-13 v 1 2002-07-13 06:34:26 v
1 2002-07-13 v 4 2006-10-14 14:59:37 v
1 2002-07-13 v 5 1900-01-01 22:45:53 a
1 2002-07-13 v 5 1900-01-01 22:45:53 a
1 2002-07-13 v 5 1900-01-01 22:45:53 a
1 2006-04-02 z 1 2002-07-13 06:34:26 v
1 2006-04-02 z 4 2006-10-14 14:59:37 v
1 2006-04-02 z 5 1900-01-01 22:45:53 a
1 2006-04-02 z 5 1900-01-01 22:45:53 a
1 2006-04-02 z 5 1900-01-01 22:45:53 a
2 1900-01-01 v 1 2002-07-13 06:34:26 v
2 1900-01-01 v 4 2006-10-14 14:59:37 v
2 1900-01-01 v 5 1900-01-01 22:45:53 a
2 1900-01-01 v 5 1900-01-01 22:45:53 a
2 1900-01-01 v 5 1900-01-01 22:45:53 a
2 2009-10-02 s 1 2002-07-13 06:34:26 v
2 2009-10-02 s 4 2006-10-14 14:59:37 v
2 2009-10-02 s 5 1900-01-01 22:45:53 a
2 2009-10-02 s 5 1900-01-01 22:45:53 a
2 2009-10-02 s 5 1900-01-01 22:45:53 a
3 1900-01-01 v 1 2002-07-13 06:34:26 v
3 1900-01-01 v 4 2006-10-14 14:59:37 v
3 1900-01-01 v 5 1900-01-01 22:45:53 a
3 1900-01-01 v 5 1900-01-01 22:45:53 a
3 1900-01-01 v 5 1900-01-01 22:45:53 a
3 2006-10-19 n 1 2002-07-13 06:34:26 v
3 2006-10-19 n 4 2006-10-14 14:59:37 v
3 2006-10-19 n 5 1900-01-01 22:45:53 a
3 2006-10-19 n 5 1900-01-01 22:45:53 a
3 2006-10-19 n 5 1900-01-01 22:45:53 a
3 2008-12-04 v 1 2002-07-13 06:34:26 v
3 2008-12-04 v 4 2006-10-14 14:59:37 v
3 2008-12-04 v 5 1900-01-01 22:45:53 a
3 2008-12-04 v 5 1900-01-01 22:45:53 a
3 2008-12-04 v 5 1900-01-01 22:45:53 a
3 2009-03-28 f 1 2002-07-13 06:34:26 v
3 2009-03-28 f 4 2006-10-14 14:59:37 v
3 2009-03-28 f 5 1900-01-01 22:45:53 a
3 2009-03-28 f 5 1900-01-01 22:45:53 a
3 2009-03-28 f 5 1900-01-01 22:45:53 a
4 2006-10-14 v 1 2002-07-13 06:34:26 v
4 2006-10-14 v 4 2006-10-14 14:59:37 v
4 2006-10-14 v 5 1900-01-01 22:45:53 a
4 2006-10-14 v 5 1900-01-01 22:45:53 a
4 2006-10-14 v 5 1900-01-01 22:45:53 a
5 1900-01-01 a 1 2002-07-13 06:34:26 v
5 1900-01-01 a 4 2006-10-14 14:59:37 v
5 1900-01-01 a 5 1900-01-01 22:45:53 a
5 1900-01-01 a 5 1900-01-01 22:45:53 a
5 1900-01-01 a 5 1900-01-01 22:45:53 a
5 2004-09-18 h 1 2002-07-13 06:34:26 v
5 2004-09-18 h 4 2006-10-14 14:59:37 v
5 2004-09-18 h 5 1900-01-01 22:45:53 a
5 2004-09-18 h 5 1900-01-01 22:45:53 a
5 2004-09-18 h 5 1900-01-01 22:45:53 a
5 2008-04-04 y 1 2002-07-13 06:34:26 v
5 2008-04-04 y 4 2006-10-14 14:59:37 v
5 2008-04-04 y 5 1900-01-01 22:45:53 a
5 2008-04-04 y 5 1900-01-01 22:45:53 a
5 2008-04-04 y 5 1900-01-01 22:45:53 a
8 2005-06-08 d 1 2002-07-13 06:34:26 v
8 2005-06-08 d 4 2006-10-14 14:59:37 v
8 2005-06-08 d 5 1900-01-01 22:45:53 a
8 2005-06-08 d 5 1900-01-01 22:45:53 a
8 2005-06-08 d 5 1900-01-01 22:45:53 a
8 2009-01-13 z 1 2002-07-13 06:34:26 v
8 2009-01-13 z 4 2006-10-14 14:59:37 v
8 2009-01-13 z 5 1900-01-01 22:45:53 a
8 2009-01-13 z 5 1900-01-01 22:45:53 a
8 2009-01-13 z 5 1900-01-01 22:45:53 a
@ -4186,7 +4254,15 @@ PRIMARY KEY (pk), INDEX idx1(i), INDEX idx2 (v,i)
INSERT INTO t1 VALUES
(10,8,'v'), (11,8,'f'), (12,5,'v'), (13,8,'s'), (14,8,'a'),
(15,6,'p'), (16,7,'z'), (17,2,'a'), (18,5,'h'), (19,7,'h'),
(25,3,'m'), (26,5,'z'), (27,9,'n'), (28,1,'d'), (29,107,'a');
(25,3,'m'), (26,5,'a'), (27,9,'n'), (28,1,'d'), (29,107,'a');
INSERT INTO t1 VALUES
(110,8,'x'), (111,8,'y'), (112,5,'v'), (113,8,'z'), (114,8,'i'),
(115,6,'j'), (116,7,'t'), (117,2,'b'), (118,5,'j'), (119,7,'w'),
(125,3,'q'), (126,5,'o'), (127,9,'n'), (128,1,'e'), (129,107,'c');
INSERT INTO t1 VALUES
(210,8,'b'), (211,8,'c'), (212,5,'d'), (213,8,'e'), (214,8,'g'),
(215,6,'f'), (216,7,'h'), (217,2,'i'), (218,5,'j'), (219,7,'k'),
(225,3,'l'), (226,5,'m'), (227,9,'n'), (228,1,'o'), (229,107,'p');
CREATE TABLE t2 (
pk int NOT NULL, i int NOT NULL, v varchar(1) NOT NULL,
PRIMARY KEY (pk), INDEX idx1(i), INDEX idx2(v,i)
@ -4195,7 +4271,7 @@ INSERT INTO t2 VALUES
(10,8,'v'), (11,8,'f'), (12,5,'v'), (13,8,'s'), (14,8,'a'),
(15,6,'p'), (16,7,'z'), (17,2,'a'), (18,5,'h'), (19,7,'h'),
(20,2,'v'), (21,9,'v'), (22,142,'b'), (23,3,'y'), (24,0,'v'),
(25,3,'m'), (26,5,'z'), (27,9,'n'), (28,1,'d'), (29,107,'a');
(25,3,'m'), (26,5,'b'), (27,9,'n'), (28,1,'d'), (29,107,'a');
CREATE TABLE t3 (
pk int NOT NULL, i int NOT NULL, v varchar(1) NOT NULL,
PRIMARY KEY (pk), INDEX idx1(i), INDEX idx2(v,i)
@ -4207,49 +4283,55 @@ INSERT INTO t3 VALUES
(16,6,'e'), (17,3,'t'), (18,8,'j'), (19,5,'h'), (20,7,'w');
SET SESSION join_cache_level=1;
EXPLAIN
SELECT t2.v FROM t1, t2, t3 WHERE t3.v <> t2.v AND t3.pk = t2.i AND t1.v = t3.v
SELECT t2.v FROM t1, t2, t3
WHERE t3.v <> t2.v AND t3.pk = t2.i AND t1.v = t3.v AND t1.pk*2<100
GROUP BY t2.v ORDER BY t1.pk,t2.v;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index idx1 idx2 7 NULL 20 Using index; Using temporary; Using filesort
1 SIMPLE t3 eq_ref PRIMARY,idx2 PRIMARY 4 test.t2.i 1 Using where
1 SIMPLE t1 ref idx2 idx2 3 test.t3.v 2
SELECT t2.v FROM t1, t2, t3 WHERE t3.v <> t2.v AND t3.pk = t2.i AND t1.v = t3.v
1 SIMPLE t1 ref idx2 idx2 3 test.t3.v 5 Using where
SELECT t2.v FROM t1, t2, t3
WHERE t3.v <> t2.v AND t3.pk = t2.i AND t1.v = t3.v AND t1.pk*2<100
GROUP BY t2.v ORDER BY t1.pk,t2.v;
v
b
h
z
p
n
v
p
SET SESSION join_cache_level=6;
EXPLAIN
SELECT t2.v FROM t1, t2, t3 WHERE t3.v <> t2.v AND t3.pk = t2.i AND t1.v = t3.v
SELECT t2.v FROM t1, t2, t3
WHERE t3.v <> t2.v AND t3.pk = t2.i AND t1.v = t3.v AND t1.pk*2<100
GROUP BY t2.v ORDER BY t1.pk,t2.v;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL idx1 NULL NULL NULL 20 Using temporary; Using filesort
1 SIMPLE t3 eq_ref PRIMARY,idx2 PRIMARY 4 test.t2.i 1 Using where; Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
1 SIMPLE t1 ref idx2 idx2 3 test.t3.v 2 Using join buffer (incremental, BKA join); Key-ordered Rowid-ordered scan
SELECT t2.v FROM t1, t2, t3 WHERE t3.v <> t2.v AND t3.pk = t2.i AND t1.v = t3.v
1 SIMPLE t1 ref idx2 idx2 3 test.t3.v 5 Using where; Using join buffer (incremental, BKA join); Key-ordered Rowid-ordered scan
SELECT t2.v FROM t1, t2, t3
WHERE t3.v <> t2.v AND t3.pk = t2.i AND t1.v = t3.v AND t1.pk*2<100
GROUP BY t2.v ORDER BY t1.pk,t2.v;
v
b
h
z
n
v
p
SET SESSION join_cache_level=4;
EXPLAIN
SELECT t2.v FROM t1, t2, t3 WHERE t3.v <> t2.v AND t3.pk = t2.i AND t1.v = t3.v
SELECT t2.v FROM t1, t2, t3
WHERE t3.v <> t2.v AND t3.pk = t2.i AND t1.v = t3.v AND t1.pk*2<100
GROUP BY t2.v ORDER BY t1.pk,t2.v;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL idx1 NULL NULL NULL 20 Using temporary; Using filesort
1 SIMPLE t3 hash_ALL PRIMARY,idx2 #hash#PRIMARY 4 test.t2.i 20 Using where; Using join buffer (flat, BNLH join)
1 SIMPLE t1 hash_ALL idx2 #hash#idx2 3 test.t3.v 15 Using join buffer (incremental, BNLH join)
SELECT t2.v FROM t1, t2, t3 WHERE t3.v <> t2.v AND t3.pk = t2.i AND t1.v = t3.v
1 SIMPLE t1 hash_ALL idx2 #hash#idx2 3 test.t3.v 45 Using where; Using join buffer (incremental, BNLH join)
SELECT t2.v FROM t1, t2, t3
WHERE t3.v <> t2.v AND t3.pk = t2.i AND t1.v = t3.v AND t1.pk*2<100
GROUP BY t2.v ORDER BY t1.pk,t2.v;
v
b
h
z
n
v
p
@ -4316,13 +4398,18 @@ INSERT INTO t2 VALUES
(1, 12, 102), (8, 81, 801), (7, 70, 700), (12, 120, 1200),
(8, 82, 802), (1, 13, 103), (1, 14, 104), (3, 31, 301),
(1, 15, 105), (8, 83, 803), (7, 71, 701);
INSERT INTO t2 VALUES
(108, 80, 800), (101, 10, 100), (101, 11, 101), (103, 30, 300),
(101, 12, 102), (108, 81, 801), (107, 70, 700), (1012, 120, 1200),
(108, 82, 802), (101, 13, 103), (101, 14, 104), (103, 31, 301),
(101, 15, 105), (108, 83, 803), (107, 71, 701);
SET SESSION join_cache_level = 4;
SET SESSION join_buffer_size = 192;
EXPLAIN
SELECT t1.a, t2.c FROM t1,t2 WHERE t1.a=t2.a AND t2.b=99;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 36 Using where
1 SIMPLE t2 hash_ALL idx #hash#idx 10 test.t1.a,const 15 Using join buffer (flat, BNLH join)
1 SIMPLE t2 hash_ALL idx #hash#idx 10 test.t1.a,const 30 Using join buffer (flat, BNLH join)
SELECT t1.a, t2.c FROM t1,t2 WHERE t1.a=t2.a AND t2.b=99;
a c
SET SESSION join_cache_level = DEFAULT;
@ -4349,20 +4436,27 @@ INSERT INTO t2 VALUES
('abcdefjhjk',1015414784), ('or',4), ('now',0), ('abcdefjhjk',-32702464),
('abcdefjhjk',4), ('time',1078394880), ('f',4), ('m',-1845559296),
('ff', 5), ('abcdefjhjk',-1074397184);
INSERT INTO t2 VALUES
('dig',5), ('were',-1631322112), ('is',3), ('abcdefjhjl',3),
('abcdefjh',4), ('told',-824573952), ('tt',0),('vv',-1711013888),
('abcdefjhjj',1015414784), ('and',4), ('here',0), ('abcdefjhjm',-32702464),
('abcdefjhji',4), ('space',1078394880), ('fs',4), ('mn',-1845559296),
('fq', 5), ('abcdefjhjp',-1074397184);
EXPLAIN
SELECT t1.v,t2.i FROM t1,t2 WHERE t2.v = t1.v;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 7 Using where
1 SIMPLE t2 ref idx idx 13 test.t1.v 2
1 SIMPLE t2 ref idx idx 13 test.t1.v 3
SELECT t1.v,t2.i FROM t1,t2 WHERE t2.v = t1.v;
v i
abcdefjh 4
f 4
f 4
EXPLAIN
SELECT t1.v,t2.i FROM t1,t2 WHERE t2.v = concat(t1.v, t1.v);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 7
1 SIMPLE t2 ref idx idx 13 func 2 Using index condition
1 SIMPLE t2 ref idx idx 13 func 3 Using index condition
SELECT t1.v,t2.i FROM t1,t2 WHERE t2.v = concat(t1.v, t1.v);
v i
f 5
@ -4372,16 +4466,17 @@ EXPLAIN
SELECT t1.v,t2.i FROM t1,t2 WHERE t2.v = t1.v;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 7 Using where
1 SIMPLE t2 hash_ALL idx #hash#idx 13 test.t1.v 18 Using join buffer (flat, BNLH join)
1 SIMPLE t2 hash_ALL idx #hash#idx 13 test.t1.v 36 Using join buffer (flat, BNLH join)
SELECT t1.v,t2.i FROM t1,t2 WHERE t2.v = t1.v;
v i
f 4
f 4
abcdefjh 4
EXPLAIN
SELECT t1.v,t2.i FROM t1,t2 WHERE t2.v = concat(t1.v, t1.v);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 7
1 SIMPLE t2 hash_ALL idx #hash#idx 13 func 18 Using where; Using join buffer (flat, BNLH join)
1 SIMPLE t2 hash_ALL idx #hash#idx 13 func 36 Using where; Using join buffer (flat, BNLH join)
SELECT t1.v,t2.i FROM t1,t2 WHERE t2.v = concat(t1.v, t1.v);
v i
f 5
@ -4412,6 +4507,13 @@ INSERT INTO t2 VALUES
(11,6,'yes'), (12,NULL,'will'), (13,NULL,'o'), (14,NULL,'k'), (15,NULL,'she'),
(16,-1450835968,'abcdefjhjkl'), (17,-975831040,'abcdefjhjkl'), (18,NULL,'z'),
(19,-343932928,'t');
INSERT INTO t2 VALUES
(101,6,'yes'), (102,NULL,'will'), (103,NULL,'o'), (104,NULL,'k'), (105,NULL,'she'),
(106,-1450835968,'abcdefjhjkl'), (107,-975831040,'abcdefjhjkl'), (108,NULL,'z'),
(100,-343932928,'t'),
(111,6,'yes'), (112,NULL,'will'), (113,NULL,'o'), (114,NULL,'k'), (115,NULL,'she'),
(116,-1450835968,'abcdefjhjkl'), (117,-975831040,'abcdefjhjkl'), (118,NULL,'z'),
(119,-343932928,'t');
CREATE TABLE t3 (
pk int NOT NULL PRIMARY KEY,
i int,
@ -4427,6 +4529,15 @@ INSERT INTO t3 VALUES
(26,NULL,'all'), (27,1443168256,'c'), (28,1427046400,'right'),
(31,7,'abcdefjhjkl'), (32,6,'y'), (33,NULL,'to'), (34,7,'n'), (35,7,'look'),
(36,NULL,'all'), (37,1443168256,'c'), (38,1427046400,'right');
INSERT INTO t3 VALUES
(101,7,'abcdefjhjkl'),(102,6,'y'), (103,NULL,'to'),(104,7,'n'),(105,7,'look'),
(106,NULL,'all'), (107,1443168256,'c'), (108,1427046400,'right'),
(111,7,'abcdefjhjkl'), (112,6,'y'), (113,NULL,'to'), (114,7,'n'), (115,7,'look'),
(116,NULL,'all'), (117,1443168256,'c'), (118,1427046400,'right'),
(121,7,'abcdefjhjkl'), (122,6,'y'), (123,NULL,'to'), (124,7,'n'), (125,7,'look'),
(126,NULL,'all'), (127,1443168256,'c'), (128,1427046400,'right'),
(131,7,'abcdefjhjkl'), (132,6,'y'), (133,NULL,'to'), (134,7,'n'), (135,7,'look'),
(136,NULL,'all'), (137,1443168256,'c'), (138,1427046400,'right');
SET SESSION join_buffer_size = 192;
SET SESSION join_cache_level = 4;
EXPLAIN
@ -4434,8 +4545,8 @@ SELECT t3.i FROM t1,t2,t3
WHERE t1.v = t2.v AND t3.v = t1.v AND t2.i <> 0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index idx idx 13 NULL 7 Using where; Using index
1 SIMPLE t2 hash_ALL idx #hash#idx 1003 test.t1.v 18 Using where; Using join buffer (flat, BNLH join)
1 SIMPLE t3 hash_ALL idx #hash#idx 1002 func 32 Using where; Using join buffer (incremental, BNLH join)
1 SIMPLE t2 hash_ALL idx #hash#idx 1003 test.t1.v 36 Using where; Using join buffer (flat, BNLH join)
1 SIMPLE t3 hash_ALL idx #hash#idx 1002 func 64 Using where; Using join buffer (incremental, BNLH join)
SELECT t3.i FROM t1,t2,t3
WHERE t1.v = t2.v AND t3.v = t1.v AND t2.i <> 0;
i
@ -4460,19 +4571,28 @@ INSERT INTO t2 VALUES
(10, 'a'), (20, 'c'), (30, 'aa'), (4, 'bb'),
(11, 'a'), (21, 'c'), (31, 'aa'), (41, 'cc'),
(12, 'a'), (22, 'c'), (32, 'bb'), (42, 'aa');
INSERT INTO t2 VALUES
(110, 'a'), (120, 'c'), (130, 'aa'), (14, 'bb'),
(111, 'a'), (121, 'c'), (131, 'aa'), (141, 'cc'),
(112, 'a'), (122, 'c'), (132, 'bb'), (142, 'aa');
SELECT * FROM t1,t2 WHERE t2.a=t1.a;
pk a pk a
2 aa 30 aa
2 aa 31 aa
2 aa 42 aa
2 aa 130 aa
2 aa 131 aa
2 aa 142 aa
3 bb 4 bb
3 bb 32 bb
3 bb 14 bb
3 bb 132 bb
SET SESSION join_cache_level = 4;
EXPLAIN
SELECT * FROM t1,t2 WHERE t2.a=t1.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL idx NULL NULL NULL 3 Using where
1 SIMPLE t2 hash_ALL idx #hash#idx 515 test.t1.a 12 Using join buffer (flat, BNLH join)
1 SIMPLE t2 hash_ALL idx #hash#idx 515 test.t1.a 24 Using join buffer (flat, BNLH join)
SELECT * FROM t1,t2 WHERE t2.a=t1.a;
pk a pk a
2 aa 30 aa
@ -4480,6 +4600,11 @@ pk a pk a
2 aa 31 aa
3 bb 32 bb
2 aa 42 aa
2 aa 130 aa
3 bb 14 bb
2 aa 131 aa
3 bb 132 bb
2 aa 142 aa
SET SESSION join_cache_level = DEFAULT;
DROP TABLE t1,t2;
#
@ -4562,6 +4687,9 @@ CREATE TABLE t3 (pk int, a3 int, c3 int, d3 int) ;
INSERT IGNORE INTO t3 VALUES (9,0,0,2), (1,0,0,7);
CREATE TABLE t4 (pk int, a4 int, INDEX idx(a4)) ;
INSERT IGNORE INTO t4 VALUES (2,NULL), (8,0);
INSERT IGNORE INTO t4 VALUES (12,10), (18,20);
INSERT IGNORE INTO t4 VALUES (22,11), (28,21);
INSERT IGNORE INTO t4 VALUES (32,12), (38,22);
CREATE TABLE t5 (pk int, a5 int) ;
INSERT IGNORE INTO t5 VALUES (2,0), (8,0);
SET SESSION optimizer_switch = 'outer_join_with_cache=on';
@ -4779,13 +4907,16 @@ INSERT INTO t1 VALUES
INSERT INTO t2 VALUES
(1,'Bbbb'), (2,'BBB'), (3,'bbbb'), (4,'AaA'), (5,'CC'),
(6,'cC'), (7,'CCC'), (8,'AAA'), (9,'bBbB'), (10,'aaaa'),
(11,'a'), (12,'dd'), (13,'EE'), (14,'ee'), (15,'D');
(11,'a'), (12,'dd'), (13,'EE'), (14,'ee'), (15,'D'),
(101,'Bbbb'), (102,'BBB'), (103,'bbbb'), (104,'AaA'), (105,'CC'),
(106,'cC'), (107,'CCC'), (108,'AAA'), (109,'bBbB'), (110,'aaaa'),
(111,'a'), (112,'dd'), (113,'EE'), (114,'ee'), (115,'D');
SET SESSION join_cache_level = 4;
EXPLAIN
SELECT * FROM t1,t2 WHERE t1.a=t2.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using where
1 SIMPLE t2 hash_ALL idx #hash#idx 35 test.t1.a 15 Using join buffer (flat, BNLH join)
1 SIMPLE t2 hash_ALL idx #hash#idx 35 test.t1.a 30 Using join buffer (flat, BNLH join)
SELECT * FROM t1,t2 WHERE t1.a=t2.a;
pk a pk a
20 BBBB 1 Bbbb
@ -4798,6 +4929,16 @@ pk a pk a
40 DD 12 dd
50 ee 13 EE
50 ee 14 ee
20 BBBB 101 Bbbb
20 BBBB 103 bbbb
10 AAA 104 AaA
30 Cc 105 CC
30 Cc 106 cC
10 AAA 108 AAA
20 BBBB 109 bBbB
40 DD 112 dd
50 ee 113 EE
50 ee 114 ee
SET SESSION join_cache_level = DEFAULT;
DROP TABLE t1,t2;
#
@ -4827,13 +4968,13 @@ EXPLAIN
SELECT * FROM t1,t2
WHERE t1.f1 = t2.f4 AND (t1.f3 = 1 AND t2.f3 = 4 OR t1.f3 = 2 AND t2.f3 = 6);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 2 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 2 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t2 range PRIMARY PRIMARY 4 NULL 2 Using index condition; Using where; Rowid-ordered scan; Using join buffer (flat, BNL join)
SELECT * FROM t1,t2
WHERE t1.f1 = t2.f4 AND (t1.f3 = 1 AND t2.f3 = 4 OR t1.f3 = 2 AND t2.f3 = 6);
f1 f3 f3 f2 f4
SET SESSION join_cache_level = DEFAULT;
SET SESSION optimizer_switch = DEFAULT;
SET SESSION optimizer_switch = @local_join_cache_test_optimizer_switch_default;
DROP TABLE t1,t2;
CREATE TABLE t1 (f1 int, f2 varchar(10), KEY (f1), KEY (f2)) ;
INSERT INTO t1 VALUES
@ -4855,7 +4996,7 @@ id select_type table type possible_keys key key_len ref rows Extra
SELECT * FROM t1,t2
WHERE t2.f3 = t1.f2 AND t1.f1 IN (9, 0 ,100) ORDER BY t1.f2 LIMIT 1;
f1 f2 f3
SET SESSION optimizer_switch = DEFAULT;
SET SESSION optimizer_switch = @local_join_cache_test_optimizer_switch_default;
SET SESSION optimizer_switch = 'index_condition_pushdown=on';
EXPLAIN SELECT * FROM t1,t2
WHERE t2.f3 = t1.f2 AND t1.f1 IN (9, 0 ,100) ORDER BY t1.f2 LIMIT 1;
@ -4865,7 +5006,7 @@ id select_type table type possible_keys key key_len ref rows Extra
SELECT * FROM t1,t2
WHERE t2.f3 = t1.f2 AND t1.f1 IN (9, 0 ,100) ORDER BY t1.f2 LIMIT 1;
f1 f2 f3
SET SESSION optimizer_switch = DEFAULT;
SET SESSION optimizer_switch = @local_join_cache_test_optimizer_switch_default;
DROP TABLE t1,t2;
#
# Bug #694443: hash join using IS NULL the an equi-join condition
@ -4922,13 +5063,15 @@ CREATE TABLE t2 ( f1 varchar(10) , f2 int(11) , KEY (f1));
INSERT INTO t2 VALUES
('hgtofubn',1), ('GDOXZ',91), ('n',2), ('fggxgalh',88),
('hgtofu',1), ('GDO',101), ('n',3), ('fggxga',55),
('hgtofu',3), ('GDO',33), ('nn',3), ('fggxgarrr',77);
('hgtofu',3), ('GDO',33), ('nn',3), ('fggxgarrr',77),
('jgtofu',3), ('JDO',33), ('mn',3), ('jggxgarrr',77),
('igtofu',3), ('IDO',33), ('ln',3), ('iggxgarrr',77);
SET SESSION join_cache_level=3;
EXPLAIN
SELECT * FROM t1,t2 WHERE t2.f1 = t1.f1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL f1 NULL NULL NULL 2 Using where
1 SIMPLE t2 hash_ALL f1 #hash#f1 13 test.t1.f1 12 Using join buffer (flat, BNLH join)
1 SIMPLE t2 hash_ALL f1 #hash#f1 13 test.t1.f1 20 Using join buffer (flat, BNLH join)
SELECT * FROM t1,t2 WHERE t2.f1 = t1.f1;
f1 f2 f1 f2
SET SESSION join_cache_level = DEFAULT;
@ -4941,17 +5084,20 @@ INSERT INTO t1 VALUES ('o'), ('u');
CREATE TABLE t2 (a int, v varchar(1), INDEX idx (v)) ;
INSERT INTO t2 VALUES
(8,NULL), (10,'b'), (5,'k'), (4,NULL),
(1,NULL), (11,'u'), (7,NULL), (2,'d');
(1,NULL), (11,'u'), (7,NULL), (2,'d'),
(18,'u'), (11,'b'), (15,'k'), (12,'d'),
(18,'x'), (11,'y'), (15,'l'), (12,'e');
SET SESSION join_buffer_size = 255;
SET SESSION join_cache_level = 4;
EXPLAIN
SELECT a FROM t1,t2 WHERE t2.v = t1.v ;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where
1 SIMPLE t2 hash_ALL idx #hash#idx 4 test.t1.v 8 Using join buffer (flat, BNLH join)
1 SIMPLE t2 hash_ALL idx #hash#idx 4 test.t1.v 16 Using join buffer (flat, BNLH join)
SELECT a FROM t1,t2 WHERE t2.v = t1.v ;
a
11
18
SET SESSION join_cache_level = 1;
EXPLAIN
SELECT a FROM t1,t2 WHERE t2.v = t1.v ;
@ -4961,7 +5107,43 @@ id select_type table type possible_keys key key_len ref rows Extra
SELECT a FROM t1,t2 WHERE t2.v = t1.v ;
a
11
18
SET SESSION join_cache_level = DEFAULT;
SET SESSION join_buffer_size = DEFAULT;
DROP TABLE t1,t2;
#
# Bug #802860: crash on join cache + derived + duplicate_weedout
#
SET SESSION optimizer_switch=
'semijoin=on,materialization=off,firstmatch=off,loosescan=off,derived_with_keys=on';
CREATE TABLE t1 (a int) ;
INSERT IGNORE INTO t1 VALUES (0), (1), (0);
CREATE TABLE t2 (a int) ;
INSERT IGNORE INTO t2 VALUES (0), (3), (0), (2);
SET SESSION join_cache_level = 0;
EXPLAIN
SELECT * FROM (SELECT DISTINCT * FROM t1) t
WHERE t.a IN (SELECT t2.a FROM t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 4 Using where; Start temporary
1 PRIMARY <derived2> ref key0 key0 5 test.t2.a 2 End temporary
2 DERIVED t1 ALL NULL NULL NULL NULL 3 Using temporary
SELECT * FROM (SELECT DISTINCT * FROM t1) t
WHERE t.a IN (SELECT t2.a FROM t2);
a
0
SET SESSION join_cache_level = 1;
EXPLAIN
SELECT * FROM (SELECT DISTINCT * FROM t1) t
WHERE t.a IN (SELECT t2.a FROM t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL key0 NULL NULL NULL 3 Start temporary
1 PRIMARY t2 ALL NULL NULL NULL NULL 4 Using where; End temporary; Using join buffer (flat, BNL join)
2 DERIVED t1 ALL NULL NULL NULL NULL 3 Using temporary
SELECT * FROM (SELECT DISTINCT * FROM t1) t
WHERE t.a IN (SELECT t2.a FROM t2);
a
0
SET SESSION join_cache_level = DEFAULT;
DROP TABLE t1, t2;
set @@optimizer_switch=@save_optimizer_switch;

99
mysql-test/r/join_nested.result
View File

@ -841,25 +841,26 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t4 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t1` join `test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`))) where (`test`.`t1`.`a` <= 2)
INSERT INTO t2 VALUES (-1,9,0), (-3,10,0), (-2,8,0), (-4,11,0), (-5,15,0);
CREATE INDEX idx_b ON t2(b);
EXPLAIN EXTENDED
SELECT t2.a,t2.b,t3.a,t3.b,t4.a,t4.b
FROM (t3,t4)
LEFT JOIN
(t1,t2)
ON t3.a=1 AND t3.b=t2.b AND t2.b=t4.b;
ON t3.a=1 AND t3.b=t2.b AND t2.b=t4.b AND t2.a>0;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00
1 SIMPLE t4 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join)
1 SIMPLE t2 ref idx_b idx_b 5 test.t3.b 2 100.00 Using where
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t3` join `test`.`t4` left join (`test`.`t1` join `test`.`t2`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t3`.`b`) and (`test`.`t2`.`b` = `test`.`t3`.`b`) and (`test`.`t3`.`b` is not null))) where 1
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t3` join `test`.`t4` left join (`test`.`t1` join `test`.`t2`) on(((`test`.`t2`.`a` > 0) and (`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t3`.`b`) and (`test`.`t2`.`b` = `test`.`t3`.`b`) and (`test`.`t3`.`b` is not null))) where 1
SELECT t2.a,t2.b,t3.a,t3.b,t4.a,t4.b
FROM (t3,t4)
LEFT JOIN
(t1,t2)
ON t3.a=1 AND t3.b=t2.b AND t2.b=t4.b;
ON t3.a=1 AND t3.b=t2.b AND t2.b=t4.b AND t2.a>0;
a b a b a b
4 2 1 2 3 2
4 2 1 2 3 2
@ -878,7 +879,7 @@ LEFT JOIN
t2
LEFT JOIN
(t3, t4)
ON t3.a=1 AND t2.b=t4.b,
ON t3.a=1 AND t2.b=t4.b AND t2.a>0,
t5
LEFT JOIN
(
@ -907,16 +908,18 @@ t0.b=t1.b AND
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t0 ALL NULL NULL NULL NULL 3 100.00 Using where
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 Using where
1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where
1 SIMPLE t4 ALL NULL NULL NULL NULL 2 100.00 Using where
1 SIMPLE t5 ALL NULL NULL NULL NULL 3 100.00 Using where
1 SIMPLE t7 ALL NULL NULL NULL NULL 2 100.00 Using where
1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using where
1 SIMPLE t8 ALL NULL NULL NULL NULL 2 100.00 Using where
1 SIMPLE t2 ALL NULL NULL NULL NULL 8 100.00 Using where
1 SIMPLE t4 ALL NULL NULL NULL NULL 2 100.00 Using where
1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where
1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and ((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`))))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t7`.`b` = `test`.`t5`.`b`)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`)))
Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t2`.`a` > 0) and (`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and ((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`))))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t7`.`b` = `test`.`t5`.`b`)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t3`.`b` = `test`.`t4`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`)))
INSERT INTO t4 VALUES (-3,12,0), (-4,13,0), (-1,11,0), (-3,11,0), (-5,15,0);
INSERT INTO t5 VALUES (-3,11,0), (-2,12,0), (-3,13,0), (-4,12,0);
CREATE INDEX idx_b ON t4(b);
CREATE INDEX idx_b ON t5(b);
EXPLAIN EXTENDED
@ -928,7 +931,7 @@ LEFT JOIN
t2
LEFT JOIN
(t3, t4)
ON t3.a=1 AND t2.b=t4.b,
ON t3.a=1 AND t2.b=t4.b AND t2.a>0 AND t4.a>0,
t5
LEFT JOIN
(
@ -937,7 +940,7 @@ LEFT JOIN
t8
ON t7.b=t8.b AND t6.b < 10
)
ON t6.b >= 2 AND t5.b=t7.b
ON t6.b >= 2 AND t5.b=t7.b AND t5.a>0
)
ON (t3.b=2 OR t3.c IS NULL) AND (t6.b=2 OR t6.c IS NULL) AND
(t1.b=t5.b OR t3.c IS NULL OR t6.c IS NULL or t8.c IS NULL) AND
@ -957,16 +960,17 @@ t0.b=t1.b AND
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t0 ALL NULL NULL NULL NULL 3 100.00 Using where
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 Using where
1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
1 SIMPLE t2 ALL NULL NULL NULL NULL 8 100.00 Using where
1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where
1 SIMPLE t4 ref idx_b idx_b 5 test.t2.b 2 100.00 Using where
1 SIMPLE t5 ALL idx_b NULL NULL NULL 3 100.00 Using where
1 SIMPLE t5 ALL idx_b NULL NULL NULL 7 100.00 Using where
1 SIMPLE t7 ALL NULL NULL NULL NULL 2 100.00 Using where
1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using where
1 SIMPLE t8 ALL NULL NULL NULL NULL 2 100.00 Using where
1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and ((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`))))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t7`.`b` = `test`.`t5`.`b`)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`)))
Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t2`.`a` > 0) and (`test`.`t4`.`a` > 0) and (`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and ((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`))))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t5`.`a` > 0) and (`test`.`t7`.`b` = `test`.`t5`.`b`)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t8`.`b` = `test`.`t9`.`b`) or isnull(`test`.`t8`.`c`)))
INSERT INTO t8 VALUES (-3,12,0), (-1,14,0), (-5,15,0), (-1,11,0), (-4,13,0);
CREATE INDEX idx_b ON t8(b);
EXPLAIN EXTENDED
SELECT t0.a,t0.b,t1.a,t1.b,t2.a,t2.b,t3.a,t3.b,t4.a,t4.b,
@ -977,16 +981,16 @@ LEFT JOIN
t2
LEFT JOIN
(t3, t4)
ON t3.a=1 AND t2.b=t4.b,
ON t3.a=1 AND t2.b=t4.b AND t2.a>0 AND t4.a>0,
t5
LEFT JOIN
(
(t6, t7)
LEFT JOIN
t8
ON t7.b=t8.b AND t6.b < 10
ON t7.b=t8.b AND t6.b < 10 AND t8.a>=0
)
ON t6.b >= 2 AND t5.b=t7.b
ON t6.b >= 2 AND t5.b=t7.b AND t5.a>0
)
ON (t3.b=2 OR t3.c IS NULL) AND (t6.b=2 OR t6.c IS NULL) AND
(t1.b=t5.b OR t3.c IS NULL OR t6.c IS NULL or t8.c IS NULL) AND
@ -1006,16 +1010,17 @@ t0.b=t1.b AND
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t0 ALL NULL NULL NULL NULL 3 100.00 Using where
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 Using where
1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
1 SIMPLE t2 ALL NULL NULL NULL NULL 8 100.00 Using where
1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where
1 SIMPLE t4 ref idx_b idx_b 5 test.t2.b 2 100.00 Using where
1 SIMPLE t5 ALL idx_b NULL NULL NULL 3 100.00 Using where
1 SIMPLE t5 ALL idx_b NULL NULL NULL 7 100.00 Using where
1 SIMPLE t7 ALL NULL NULL NULL NULL 2 100.00 Using where
1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using where
1 SIMPLE t8 ref idx_b idx_b 5 test.t5.b 2 100.00 Using where
1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t7`.`b` = `test`.`t5`.`b`)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`)))
Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t2`.`a` > 0) and (`test`.`t4`.`a` > 0) and (`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and (`test`.`t8`.`a` >= 0) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t5`.`a` > 0) and (`test`.`t7`.`b` = `test`.`t5`.`b`)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t8`.`b` = `test`.`t9`.`b`) or isnull(`test`.`t8`.`c`)))
INSERT INTO t1 VALUES (-1,133,0), (-2,12,0), (-3,11,0), (-5,15,0);
CREATE INDEX idx_b ON t1(b);
CREATE INDEX idx_a ON t0(a);
EXPLAIN EXTENDED
@ -1040,7 +1045,7 @@ ON t6.b >= 2 AND t5.b=t7.b
)
ON (t3.b=2 OR t3.c IS NULL) AND (t6.b=2 OR t6.c IS NULL) AND
(t1.b=t5.b OR t3.c IS NULL OR t6.c IS NULL or t8.c IS NULL) AND
(t1.a != 2),
(t1.a != 2) AND t1.a>0,
t9
WHERE t0.a=1 AND
t0.b=t1.b AND
@ -1056,16 +1061,16 @@ t0.b=t1.b AND
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t0 ref idx_a idx_a 5 const 1 100.00 Using where
1 SIMPLE t1 ref idx_b idx_b 5 test.t0.b 2 100.00
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 Using where
1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
1 SIMPLE t2 ALL NULL NULL NULL NULL 8 100.00 Using where
1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where
1 SIMPLE t4 ref idx_b idx_b 5 test.t2.b 2 100.00 Using where
1 SIMPLE t5 ALL idx_b NULL NULL NULL 3 100.00 Using where
1 SIMPLE t5 ALL idx_b NULL NULL NULL 7 100.00 Using where
1 SIMPLE t7 ALL NULL NULL NULL NULL 2 100.00 Using where
1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using where
1 SIMPLE t8 ref idx_b idx_b 5 test.t5.b 2 100.00 Using where
1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t7`.`b` = `test`.`t5`.`b`)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`)))
Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t7`.`b` = `test`.`t5`.`b`)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2) and (`test`.`t1`.`a` > 0))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t8`.`b` = `test`.`t9`.`b`) or isnull(`test`.`t8`.`c`)))
SELECT t0.a,t0.b,t1.a,t1.b,t2.a,t2.b,t3.a,t3.b,t4.a,t4.b,
t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b,t9.a,t9.b
FROM t0,t1
@ -1087,7 +1092,7 @@ ON t6.b >= 2 AND t5.b=t7.b
)
ON (t3.b=2 OR t3.c IS NULL) AND (t6.b=2 OR t6.c IS NULL) AND
(t1.b=t5.b OR t3.c IS NULL OR t6.c IS NULL or t8.c IS NULL) AND
(t1.a != 2),
(t1.a != 2) AND t1.a>0,
t9
WHERE t0.a=1 AND
t0.b=t1.b AND
@ -1124,6 +1129,11 @@ a b
3 3
4 2
5 3
-1 9
-3 10
-2 8
-4 11
-5 15
SELECT t3.a,t3.b
FROM t3;
a b
@ -1447,12 +1457,12 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL X
1 SIMPLE t3 ref a a 5 test.t2.b X Using where
1 SIMPLE t5 ref a a 5 test.t3.b X
1 SIMPLE t4 ref a a 5 test.t3.b X Using index condition
1 SIMPLE t4 ref a a 5 test.t3.b X Using where
explain select * from (t4 join t6 on t6.a=t4.b) right join t3 on t4.a=t3.b
join t2 left join (t5 join t7 on t7.a=t5.b) on t5.a=t2.b where t3.a<=>t2.b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL X
1 SIMPLE t3 ref a a 5 test.t2.b X Using index condition
1 SIMPLE t3 ref a a 5 test.t2.b X Using where
1 SIMPLE t4 ref a a 5 test.t3.b X Using where
1 SIMPLE t6 ref a a 5 test.t4.b X
1 SIMPLE t5 ref a a 5 test.t2.b X Using where
@ -1801,4 +1811,35 @@ pk a pk a pk a
7 NULL NULL NULL NULL NULL
8 9 NULL NULL NULL NULL
DROP TABLE t1, t2, t3;
CREATE TABLE t1 (a int NOT NULL );
INSERT INTO t1 VALUES (9), (9);
CREATE TABLE t2 (a int NOT NULL );
INSERT INTO t2 VALUES (9);
CREATE TABLE t3 (a int NOT NULL, b int);
INSERT INTO t3 VALUES (19,9);
CREATE TABLE t4 (b int) ;
SELECT * FROM t1 LEFT JOIN
((t2 LEFT JOIN t3 ON t2.a=t3.b) LEFT JOIN t4 ON t3.a=t4.b)
ON t1.a=t2.a;
a a a b b
9 9 19 9 NULL
9 9 19 9 NULL
SELECT * FROM t1 LEFT JOIN
((t2 LEFT JOIN t3 ON t2.a=t3.b) LEFT JOIN t4 ON t3.a=t4.b)
ON t1.a=t2.a
WHERE t3.a IS NULL;
a a a b b
EXPLAIN EXTENDED
SELECT * FROM t1 LEFT JOIN
((t2 LEFT JOIN t3 ON t2.a=t3.b) LEFT JOIN t4 ON t3.a=t4.b)
ON t1.a=t2.a
WHERE t3.a IS NULL;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00
1 SIMPLE t2 ALL NULL NULL NULL NULL 1 100.00 Using where
1 SIMPLE t3 ALL NULL NULL NULL NULL 1 100.00 Using where; Not exists
1 SIMPLE t4 ALL NULL NULL NULL NULL 0 0.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t2`.`a` AS `a`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`b` AS `b` from `test`.`t1` left join (`test`.`t2` left join `test`.`t3` on(((`test`.`t2`.`a` = `test`.`t1`.`a`) and (`test`.`t3`.`b` = `test`.`t1`.`a`))) left join `test`.`t4` on((`test`.`t4`.`b` = `test`.`t3`.`a`))) on((`test`.`t2`.`a` = `test`.`t1`.`a`)) where isnull(`test`.`t3`.`a`)
DROP TABLE t1,t2,t3,t4;
End of 5.0 tests

118
mysql-test/r/join_nested_jcl6.result
View File

@ -1,6 +1,8 @@
set @save_optimizer_switch_jcl6=@@optimizer_switch;
set @@optimizer_switch='optimize_join_buffer_size=on';
set @@optimizer_switch='semijoin_with_cache=on';
set @@optimizer_switch='outer_join_with_cache=on';
set @@optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
set join_cache_level=6;
show variables like 'join_cache_level';
Variable_name Value
@ -848,25 +850,26 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t4 hash_ALL NULL #hash#$hj 5 test.t2.b 2 100.00 Using where; Using join buffer (incremental, BNLH join)
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t1` join `test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) where (`test`.`t1`.`a` <= 2)
INSERT INTO t2 VALUES (-1,9,0), (-3,10,0), (-2,8,0), (-4,11,0), (-5,15,0);
CREATE INDEX idx_b ON t2(b);
EXPLAIN EXTENDED
SELECT t2.a,t2.b,t3.a,t3.b,t4.a,t4.b
FROM (t3,t4)
LEFT JOIN
(t1,t2)
ON t3.a=1 AND t3.b=t2.b AND t2.b=t4.b;
ON t3.a=1 AND t3.b=t2.b AND t2.b=t4.b AND t2.a>0;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00
1 SIMPLE t4 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join)
1 SIMPLE t2 ref idx_b idx_b 5 test.t3.b 2 100.00 Using where; Using join buffer (incremental, BKA join); Key-ordered Rowid-ordered scan
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using join buffer (incremental, BNL join)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t3` join `test`.`t4` left join (`test`.`t1` join `test`.`t2`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t3`.`b`) and (`test`.`t2`.`b` = `test`.`t3`.`b`) and (`test`.`t3`.`b` is not null))) where 1
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t3` join `test`.`t4` left join (`test`.`t1` join `test`.`t2`) on(((`test`.`t2`.`a` > 0) and (`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t3`.`b`) and (`test`.`t2`.`b` = `test`.`t3`.`b`) and (`test`.`t3`.`b` is not null))) where 1
SELECT t2.a,t2.b,t3.a,t3.b,t4.a,t4.b
FROM (t3,t4)
LEFT JOIN
(t1,t2)
ON t3.a=1 AND t3.b=t2.b AND t2.b=t4.b;
ON t3.a=1 AND t3.b=t2.b AND t2.b=t4.b AND t2.a>0;
a b a b a b
4 2 1 2 3 2
4 2 1 2 4 2
@ -885,7 +888,7 @@ LEFT JOIN
t2
LEFT JOIN
(t3, t4)
ON t3.a=1 AND t2.b=t4.b,
ON t3.a=1 AND t2.b=t4.b AND t2.a>0,
t5
LEFT JOIN
(
@ -914,16 +917,18 @@ t0.b=t1.b AND
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t0 ALL NULL NULL NULL NULL 3 100.00 Using where
1 SIMPLE t1 hash_ALL NULL #hash#$hj 5 test.t0.b 3 100.00 Using where; Using join buffer (flat, BNLH join)
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t4 hash_ALL NULL #hash#$hj 5 test.t2.b 2 100.00 Using where; Using join buffer (incremental, BNLH join)
1 SIMPLE t5 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t7 hash_ALL NULL #hash#$hj 5 test.t5.b 2 100.00 Using where; Using join buffer (incremental, BNLH join)
1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t8 hash_ALL NULL #hash#$hj 5 test.t5.b 2 100.00 Using where; Using join buffer (incremental, BNLH join)
1 SIMPLE t2 ALL NULL NULL NULL NULL 8 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t4 hash_ALL NULL #hash#$hj 5 test.t2.b 2 100.00 Using where; Using join buffer (incremental, BNLH join)
1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (incremental, BNL join)
Warnings:
Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`)))
Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t2`.`a` > 0) and (`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t3`.`b` = `test`.`t4`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`)))
INSERT INTO t4 VALUES (-3,12,0), (-4,13,0), (-1,11,0), (-3,11,0), (-5,15,0);
INSERT INTO t5 VALUES (-3,11,0), (-2,12,0), (-3,13,0), (-4,12,0);
CREATE INDEX idx_b ON t4(b);
CREATE INDEX idx_b ON t5(b);
EXPLAIN EXTENDED
@ -935,7 +940,7 @@ LEFT JOIN
t2
LEFT JOIN
(t3, t4)
ON t3.a=1 AND t2.b=t4.b,
ON t3.a=1 AND t2.b=t4.b AND t2.a>0 AND t4.a>0,
t5
LEFT JOIN
(
@ -944,7 +949,7 @@ LEFT JOIN
t8
ON t7.b=t8.b AND t6.b < 10
)
ON t6.b >= 2 AND t5.b=t7.b
ON t6.b >= 2 AND t5.b=t7.b AND t5.a>0
)
ON (t3.b=2 OR t3.c IS NULL) AND (t6.b=2 OR t6.c IS NULL) AND
(t1.b=t5.b OR t3.c IS NULL OR t6.c IS NULL or t8.c IS NULL) AND
@ -964,16 +969,17 @@ t0.b=t1.b AND
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t0 ALL NULL NULL NULL NULL 3 100.00 Using where
1 SIMPLE t1 hash_ALL NULL #hash#$hj 5 test.t0.b 3 100.00 Using where; Using join buffer (flat, BNLH join)
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t2 ALL NULL NULL NULL NULL 8 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t4 ref idx_b idx_b 5 test.t2.b 2 100.00 Using where; Using join buffer (incremental, BKA join); Key-ordered Rowid-ordered scan
1 SIMPLE t5 ALL idx_b NULL NULL NULL 3 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t5 ALL idx_b NULL NULL NULL 7 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t7 hash_ALL NULL #hash#$hj 5 test.t5.b 2 100.00 Using where; Using join buffer (incremental, BNLH join)
1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t8 hash_ALL NULL #hash#$hj 5 test.t5.b 2 100.00 Using where; Using join buffer (incremental, BNLH join)
1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (incremental, BNL join)
Warnings:
Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`)))
Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t2`.`a` > 0) and (`test`.`t4`.`a` > 0) and (`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t5`.`a` > 0) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t8`.`b` = `test`.`t9`.`b`) or isnull(`test`.`t8`.`c`)))
INSERT INTO t8 VALUES (-3,12,0), (-1,14,0), (-5,15,0), (-1,11,0), (-4,13,0);
CREATE INDEX idx_b ON t8(b);
EXPLAIN EXTENDED
SELECT t0.a,t0.b,t1.a,t1.b,t2.a,t2.b,t3.a,t3.b,t4.a,t4.b,
@ -984,16 +990,16 @@ LEFT JOIN
t2
LEFT JOIN
(t3, t4)
ON t3.a=1 AND t2.b=t4.b,
ON t3.a=1 AND t2.b=t4.b AND t2.a>0 AND t4.a>0,
t5
LEFT JOIN
(
(t6, t7)
LEFT JOIN
t8
ON t7.b=t8.b AND t6.b < 10
ON t7.b=t8.b AND t6.b < 10 AND t8.a>=0
)
ON t6.b >= 2 AND t5.b=t7.b
ON t6.b >= 2 AND t5.b=t7.b AND t5.a>0
)
ON (t3.b=2 OR t3.c IS NULL) AND (t6.b=2 OR t6.c IS NULL) AND
(t1.b=t5.b OR t3.c IS NULL OR t6.c IS NULL or t8.c IS NULL) AND
@ -1013,16 +1019,17 @@ t0.b=t1.b AND
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t0 ALL NULL NULL NULL NULL 3 100.00 Using where
1 SIMPLE t1 hash_ALL NULL #hash#$hj 5 test.t0.b 3 100.00 Using where; Using join buffer (flat, BNLH join)
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t2 ALL NULL NULL NULL NULL 8 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t4 ref idx_b idx_b 5 test.t2.b 2 100.00 Using where; Using join buffer (incremental, BKA join); Key-ordered Rowid-ordered scan
1 SIMPLE t5 ALL idx_b NULL NULL NULL 3 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t7 hash_ALL NULL #hash#$hj 5 test.t5.b 2 100.00 Using where; Using join buffer (incremental, BNLH join)
1 SIMPLE t5 ALL idx_b NULL NULL NULL 7 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t7 hash_ALL NULL #hash#$hj 5 test.t5.b 2 100.00 Using where; Using join buffer (incremental, BNLH join)
1 SIMPLE t8 ref idx_b idx_b 5 test.t5.b 2 100.00 Using where; Using join buffer (incremental, BKA join); Key-ordered Rowid-ordered scan
1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (incremental, BNL join)
Warnings:
Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`)))
Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t2`.`a` > 0) and (`test`.`t4`.`a` > 0) and (`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and (`test`.`t8`.`a` >= 0) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t5`.`a` > 0) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t8`.`b` = `test`.`t9`.`b`) or isnull(`test`.`t8`.`c`)))
INSERT INTO t1 VALUES (-1,133,0), (-2,12,0), (-3,11,0), (-5,15,0);
CREATE INDEX idx_b ON t1(b);
CREATE INDEX idx_a ON t0(a);
EXPLAIN EXTENDED
@ -1047,7 +1054,7 @@ ON t6.b >= 2 AND t5.b=t7.b
)
ON (t3.b=2 OR t3.c IS NULL) AND (t6.b=2 OR t6.c IS NULL) AND
(t1.b=t5.b OR t3.c IS NULL OR t6.c IS NULL or t8.c IS NULL) AND
(t1.a != 2),
(t1.a != 2) AND t1.a>0,
t9
WHERE t0.a=1 AND
t0.b=t1.b AND
@ -1063,16 +1070,16 @@ t0.b=t1.b AND
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t0 ref idx_a idx_a 5 const 1 100.00 Using where
1 SIMPLE t1 ref idx_b idx_b 5 test.t0.b 2 100.00 Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t2 ALL NULL NULL NULL NULL 8 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t4 ref idx_b idx_b 5 test.t2.b 2 100.00 Using where; Using join buffer (incremental, BKA join); Key-ordered Rowid-ordered scan
1 SIMPLE t5 ALL idx_b NULL NULL NULL 3 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t5 ALL idx_b NULL NULL NULL 7 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t7 hash_ALL NULL #hash#$hj 5 test.t5.b 2 100.00 Using where; Using join buffer (incremental, BNLH join)
1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t8 ref idx_b idx_b 5 test.t7.b 2 100.00 Using where; Using join buffer (incremental, BKA join); Key-ordered Rowid-ordered scan
1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (incremental, BNL join)
Warnings:
Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t7`.`b` is not null)))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`)))
Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t7`.`b` is not null)))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2) and (`test`.`t1`.`a` > 0))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t8`.`b` = `test`.`t9`.`b`) or isnull(`test`.`t8`.`c`)))
SELECT t0.a,t0.b,t1.a,t1.b,t2.a,t2.b,t3.a,t3.b,t4.a,t4.b,
t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b,t9.a,t9.b
FROM t0,t1
@ -1094,7 +1101,7 @@ ON t6.b >= 2 AND t5.b=t7.b
)
ON (t3.b=2 OR t3.c IS NULL) AND (t6.b=2 OR t6.c IS NULL) AND
(t1.b=t5.b OR t3.c IS NULL OR t6.c IS NULL or t8.c IS NULL) AND
(t1.a != 2),
(t1.a != 2) AND t1.a>0,
t9
WHERE t0.a=1 AND
t0.b=t1.b AND
@ -1108,15 +1115,15 @@ t0.b=t1.b AND
(t8.b=t9.b OR t8.c IS NULL) AND
(t9.a=1);
a b a b a b a b a b a b a b a b a b a b
1 2 3 2 4 2 1 2 3 2 2 2 6 2 2 2 0 2 1 2
1 2 3 2 4 2 1 2 4 2 2 2 6 2 2 2 0 2 1 2
1 2 3 2 4 2 1 2 3 2 2 2 6 2 2 2 0 2 1 2
1 2 3 2 4 2 1 2 3 2 3 1 6 2 1 1 NULL NULL 1 1
1 2 3 2 4 2 1 2 4 2 3 1 6 2 1 1 NULL NULL 1 1
1 2 3 2 4 2 1 2 3 2 3 1 6 2 1 1 NULL NULL 1 2
1 2 3 2 4 2 1 2 4 2 3 1 6 2 1 1 NULL NULL 1 1
1 2 3 2 4 2 1 2 4 2 3 1 6 2 1 1 NULL NULL 1 2
1 2 3 2 4 2 1 2 3 2 3 3 NULL NULL NULL NULL NULL NULL 1 1
1 2 3 2 4 2 1 2 4 2 3 3 NULL NULL NULL NULL NULL NULL 1 1
1 2 3 2 4 2 1 2 3 2 3 3 NULL NULL NULL NULL NULL NULL 1 2
1 2 3 2 4 2 1 2 4 2 3 3 NULL NULL NULL NULL NULL NULL 1 1
1 2 3 2 4 2 1 2 4 2 3 3 NULL NULL NULL NULL NULL NULL 1 2
1 2 3 2 5 3 NULL NULL NULL NULL 2 2 6 2 2 2 0 2 1 2
1 2 3 2 5 3 NULL NULL NULL NULL 3 1 6 2 1 1 NULL NULL 1 1
@ -1131,6 +1138,11 @@ a b
3 3
4 2
5 3
-1 9
-3 10
-2 8
-4 11
-5 15
SELECT t3.a,t3.b
FROM t3;
a b
@ -1808,6 +1820,37 @@ pk a pk a pk a
7 NULL NULL NULL NULL NULL
8 9 NULL NULL NULL NULL
DROP TABLE t1, t2, t3;
CREATE TABLE t1 (a int NOT NULL );
INSERT INTO t1 VALUES (9), (9);
CREATE TABLE t2 (a int NOT NULL );
INSERT INTO t2 VALUES (9);
CREATE TABLE t3 (a int NOT NULL, b int);
INSERT INTO t3 VALUES (19,9);
CREATE TABLE t4 (b int) ;
SELECT * FROM t1 LEFT JOIN
((t2 LEFT JOIN t3 ON t2.a=t3.b) LEFT JOIN t4 ON t3.a=t4.b)
ON t1.a=t2.a;
a a a b b
9 9 19 9 NULL
9 9 19 9 NULL
SELECT * FROM t1 LEFT JOIN
((t2 LEFT JOIN t3 ON t2.a=t3.b) LEFT JOIN t4 ON t3.a=t4.b)
ON t1.a=t2.a
WHERE t3.a IS NULL;
a a a b b
EXPLAIN EXTENDED
SELECT * FROM t1 LEFT JOIN
((t2 LEFT JOIN t3 ON t2.a=t3.b) LEFT JOIN t4 ON t3.a=t4.b)
ON t1.a=t2.a
WHERE t3.a IS NULL;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00
1 SIMPLE t2 hash_ALL NULL #hash#$hj 4 test.t1.a 1 100.00 Using where; Using join buffer (flat, BNLH join)
1 SIMPLE t3 hash_ALL NULL #hash#$hj 5 test.t1.a 1 100.00 Using where; Not exists; Using join buffer (incremental, BNLH join)
1 SIMPLE t4 hash_ALL NULL #hash#$hj 5 test.t3.a 0 0.00 Using where; Using join buffer (incremental, BNLH join)
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t2`.`a` AS `a`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`b` AS `b` from `test`.`t1` left join (`test`.`t2` left join `test`.`t3` on(((`test`.`t2`.`a` = `test`.`t1`.`a`) and (`test`.`t3`.`b` = `test`.`t1`.`a`))) left join `test`.`t4` on(((`test`.`t4`.`b` = `test`.`t3`.`a`) and (`test`.`t3`.`a` is not null)))) on((`test`.`t2`.`a` = `test`.`t1`.`a`)) where isnull(`test`.`t3`.`a`)
DROP TABLE t1,t2,t3,t4;
End of 5.0 tests
CREATE TABLE t5 (a int, b int, c int, PRIMARY KEY(a), KEY b_i (b));
CREATE TABLE t6 (a int, b int, c int, PRIMARY KEY(a), KEY b_i (b));
@ -1817,6 +1860,9 @@ INSERT INTO t5 VALUES (1,1,0), (2,2,0), (3,3,0);
INSERT INTO t6 VALUES (1,2,0), (3,2,0), (6,1,0);
INSERT INTO t7 VALUES (1,1,0), (2,2,0);
INSERT INTO t8 VALUES (0,2,0), (1,2,0);
INSERT INTO t6 VALUES (-1,12,0), (-3,13,0), (-6,11,0), (-4,14,0);
INSERT INTO t7 VALUES (-1,11,0), (-2,12,0), (-3,13,0), (-4,14,0), (-5,15,0);
INSERT INTO t8 VALUES (-3,13,0), (-1,12,0), (-2,14,0), (-5,15,0), (-4,16,0);
EXPLAIN
SELECT t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b
FROM t5
@ -1825,14 +1871,14 @@ LEFT JOIN
(t6, t7)
LEFT JOIN
t8
ON t7.b=t8.b AND t6.b < 10
ON t7.b=t8.b AND t6.b < 10
)
ON t6.b >= 2 AND t5.b=t7.b AND
(t8.a > 0 OR t8.c IS NULL);
(t8.a > 0 OR t8.c IS NULL) AND t6.a>0 AND t7.a>0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t5 ALL NULL NULL NULL NULL 3
1 SIMPLE t7 ref b_i b_i 5 test.t5.b 2 Using where; Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
1 SIMPLE t6 ALL b_i NULL NULL NULL 3 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t7 ref PRIMARY,b_i b_i 5 test.t5.b 2 Using where; Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
1 SIMPLE t6 ALL PRIMARY,b_i NULL NULL NULL 7 Using where; Using join buffer (incremental, BNL join)
1 SIMPLE t8 ref b_i b_i 5 test.t5.b 2 Using where; Using join buffer (incremental, BKA join); Key-ordered Rowid-ordered scan
SELECT t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b
FROM t5
@ -1844,7 +1890,7 @@ t8
ON t7.b=t8.b AND t6.b < 10
)
ON t6.b >= 2 AND t5.b=t7.b AND
(t8.a > 0 OR t8.c IS NULL);
(t8.a > 0 OR t8.c IS NULL) AND t6.a>0 AND t7.a>0;
a b a b a b a b
2 2 1 2 2 2 1 2
2 2 3 2 2 2 1 2

115
mysql-test/r/join_outer.result
View File

@ -1378,7 +1378,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE jt5 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index
1 SIMPLE jt2 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index
Warnings:
Note 1003 select straight_join `test`.`jt1`.`f1` AS `f1` from `test`.`t1` `jt1` left join (`test`.`t1` `jt6` left join (`test`.`t1` `jt3` join `test`.`t1` `jt4` left join `test`.`t1` `jt5` on(1) left join `test`.`t1` `jt2` on(1)) on((`test`.`jt6`.`f1` and 1))) on(1) where 1
Note 1003 select straight_join `test`.`jt1`.`f1` AS `f1` from `test`.`t1` `jt1` left join (`test`.`t1` `jt6` left join (`test`.`t1` `jt3` join `test`.`t1` `jt4` left join `test`.`t1` `jt5` on(1) left join `test`.`t1` `jt2` on(1)) on(((`test`.`jt6`.`f1` <> 0) and 1))) on(1) where 1
EXPLAIN EXTENDED SELECT STRAIGHT_JOIN jt1.f1 FROM t1 AS jt1
RIGHT JOIN t1 AS jt2
RIGHT JOIN t1 AS jt3
@ -1395,7 +1395,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE jt2 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index
1 SIMPLE jt1 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index
Warnings:
Note 1003 select straight_join `test`.`jt1`.`f1` AS `f1` from `test`.`t1` `jt6` left join (`test`.`t1` `jt3` join `test`.`t1` `jt4` left join `test`.`t1` `jt5` on(1) left join `test`.`t1` `jt2` on(1)) on((`test`.`jt6`.`f1` and 1)) left join `test`.`t1` `jt1` on(1) where 1
Note 1003 select straight_join `test`.`jt1`.`f1` AS `f1` from `test`.`t1` `jt6` left join (`test`.`t1` `jt3` join `test`.`t1` `jt4` left join `test`.`t1` `jt5` on(1) left join `test`.`t1` `jt2` on(1)) on(((`test`.`jt6`.`f1` <> 0) and 1)) left join `test`.`t1` `jt1` on(1) where 1
DROP TABLE t1;
#
# Bug#49600: outer join of two single-row tables with joining attributes
@ -1478,6 +1478,8 @@ create table t2 like t1;
insert into t2 select if(t1.a is null, 10, t1.a) from t1;
create table t3 (a int, b int, index idx(a));
insert into t3 values (1, 100), (3, 301), (4, 402), (1, 102), (1, 101);
insert into t3 values (11, 100), (33, 301), (44, 402), (11, 102), (11, 101);
insert into t3 values (22, 100), (53, 301), (64, 402), (22, 102), (22, 101);
analyze table t1,t2,t3;
Table Op Msg_type Msg_text
test.t1 analyze status OK
@ -1539,3 +1541,112 @@ GROUP BY t2.f1, t2.f2;
f1 f1 f2
DROP TABLE t1,t2;
End of 5.1 tests
#
# LP bug #813447: LEFT JOIN with single-row inner table and
# a subquery in ON expression
#
CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (0);
CREATE TABLE t2 (a int);
INSERT INTO t2 VALUES (0);
CREATE TABLE t3 (a int);
INSERT INTO t3 VALUES (0), (0);
SELECT t2.a FROM t1 LEFT JOIN t2 ON (6) IN (SELECT a FROM t3);
a
NULL
EXPLAIN EXTENDED
SELECT t2.a FROM t1 LEFT JOIN t2 ON (6) IN (SELECT a FROM t3);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00
1 PRIMARY t2 ALL NULL NULL NULL NULL 1 100.00 Using where
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t1` left join `test`.`t2` on(<in_optimizer>(6,<exists>(select `test`.`t3`.`a` from `test`.`t3` where (6 = `test`.`t3`.`a`)))) where 1
DROP TABLE t1,t2,t3;
#
# LP bug #817384 Wrong result with outer join + subquery in ON
# clause +unique key
#
CREATE TABLE t1 ( c int NOT NULL , b char(1) NOT NULL ) ;
INSERT INTO t1 VALUES (1,'b');
CREATE TABLE t2 ( a int NOT NULL , b char(1) NOT NULL , PRIMARY KEY (a)) ;
INSERT INTO t2 VALUES (1,'a');
create table t3 (c1 char(1), c2 char(2));
insert into t3 values ('c','d');
insert into t3 values ('c','d');
EXPLAIN SELECT t2.b
FROM t1 LEFT JOIN t2 ON t1.c = t2.a AND ( t2.b , t1.b ) IN (SELECT * from t3);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
1 PRIMARY t2 eq_ref PRIMARY PRIMARY 4 const 1 Using where
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using where
SELECT t2.b
FROM t1 LEFT JOIN t2 ON t1.c = t2.a AND ( t2.b , t1.b ) IN (SELECT * from t3);
b
NULL
EXPLAIN SELECT t2.b
FROM t1 LEFT JOIN t2 ON (t2.b) IN (SELECT c2 from t3) AND t2.a = 1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
1 PRIMARY t2 const PRIMARY PRIMARY 4 const 1 Using where
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using where
SELECT t2.b
FROM t1 LEFT JOIN t2 ON (t2.b) IN (SELECT c2 from t3) AND t2.a = 1;
b
NULL
DROP TABLE t1,t2,t3;
#
# LP bug #825035: second execution of PS with outer join
#
CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (1),(2),(3),(4);
CREATE TABLE t2 (a int);
PREPARE stmt FROM
"SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a";
EXECUTE stmt;
a a
1 NULL
2 NULL
3 NULL
4 NULL
EXECUTE stmt;
a a
1 NULL
2 NULL
3 NULL
4 NULL
DEALLOCATE PREPARE stmt;
DROP TABLE t1,t2;
#
# LP bug #838633: second execution of PS with outer join
# converted to inner join
#
CREATE TABLE t1 ( b int NOT NULL ) ;
INSERT INTO t1 VALUES (9),(10);
CREATE TABLE t2 ( b int NOT NULL, PRIMARY KEY (b)) ;
INSERT INTO t2 VALUES
(75),(76),(77),(78),(79),(80),(81),(82),(83),(84),(85),(86),(87),(88),(89),
(10), (90),(91),(92),(93),(94),(95),(96),(97),(98),(99),(100);
CREATE TABLE t3 ( a int, b int NOT NULL , PRIMARY KEY (b)) ;
INSERT INTO t3 VALUES
(0,6),(0,7),(0,8),(2,9),(0,10),(2,21),(0,22),(2,23),(2,24),(2,25);
SET SESSION join_cache_level=4;
EXPLAIN EXTENDED
SELECT * FROM (t2 LEFT JOIN t1 ON t1.b = t2.b) JOIN t3 ON t1.b = t3.b;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00
1 SIMPLE t3 hash_ALL PRIMARY #hash#PRIMARY 4 test.t1.b 10 10.00 Using join buffer (flat, BNLH join)
1 SIMPLE t2 hash_index PRIMARY #hash#PRIMARY:PRIMARY 4:4 test.t1.b 27 3.70 Using join buffer (incremental, BNLH join)
Warnings:
Note 1003 select `test`.`t2`.`b` AS `b`,`test`.`t1`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b` from `test`.`t2` join `test`.`t1` join `test`.`t3` where ((`test`.`t3`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`b` = `test`.`t1`.`b`))
PREPARE stmt FROM
'SELECT * FROM (t2 LEFT JOIN t1 ON t1.b = t2.b) JOIN t3 ON t1.b = t3.b';
EXECUTE stmt;
b b a b
10 10 0 10
EXECUTE stmt;
b b a b
10 10 0 10
DEALLOCATE PREPARE stmt;
SET SESSION join_cache_level=default;
DROP TABLE t1,t2,t3;

117
mysql-test/r/join_outer_jcl6.result
View File

@ -1,6 +1,8 @@
set @save_optimizer_switch_jcl6=@@optimizer_switch;
set @@optimizer_switch='optimize_join_buffer_size=on';
set @@optimizer_switch='semijoin_with_cache=on';
set @@optimizer_switch='outer_join_with_cache=on';
set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
set join_cache_level=6;
show variables like 'join_cache_level';
Variable_name Value
@ -1385,7 +1387,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE jt5 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index; Using join buffer (incremental, BNL join)
1 SIMPLE jt2 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index; Using join buffer (incremental, BNL join)
Warnings:
Note 1003 select straight_join `test`.`jt1`.`f1` AS `f1` from `test`.`t1` `jt1` left join (`test`.`t1` `jt6` left join (`test`.`t1` `jt3` join `test`.`t1` `jt4` left join `test`.`t1` `jt5` on(1) left join `test`.`t1` `jt2` on(1)) on((`test`.`jt6`.`f1` and 1))) on(1) where 1
Note 1003 select straight_join `test`.`jt1`.`f1` AS `f1` from `test`.`t1` `jt1` left join (`test`.`t1` `jt6` left join (`test`.`t1` `jt3` join `test`.`t1` `jt4` left join `test`.`t1` `jt5` on(1) left join `test`.`t1` `jt2` on(1)) on(((`test`.`jt6`.`f1` <> 0) and 1))) on(1) where 1
EXPLAIN EXTENDED SELECT STRAIGHT_JOIN jt1.f1 FROM t1 AS jt1
RIGHT JOIN t1 AS jt2
RIGHT JOIN t1 AS jt3
@ -1402,7 +1404,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE jt2 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index; Using join buffer (incremental, BNL join)
1 SIMPLE jt1 index NULL PRIMARY 4 NULL 2 100.00 Using where; Using index; Using join buffer (incremental, BNL join)
Warnings:
Note 1003 select straight_join `test`.`jt1`.`f1` AS `f1` from `test`.`t1` `jt6` left join (`test`.`t1` `jt3` join `test`.`t1` `jt4` left join `test`.`t1` `jt5` on(1) left join `test`.`t1` `jt2` on(1)) on((`test`.`jt6`.`f1` and 1)) left join `test`.`t1` `jt1` on(1) where 1
Note 1003 select straight_join `test`.`jt1`.`f1` AS `f1` from `test`.`t1` `jt6` left join (`test`.`t1` `jt3` join `test`.`t1` `jt4` left join `test`.`t1` `jt5` on(1) left join `test`.`t1` `jt2` on(1)) on(((`test`.`jt6`.`f1` <> 0) and 1)) left join `test`.`t1` `jt1` on(1) where 1
DROP TABLE t1;
#
# Bug#49600: outer join of two single-row tables with joining attributes
@ -1485,6 +1487,8 @@ create table t2 like t1;
insert into t2 select if(t1.a is null, 10, t1.a) from t1;
create table t3 (a int, b int, index idx(a));
insert into t3 values (1, 100), (3, 301), (4, 402), (1, 102), (1, 101);
insert into t3 values (11, 100), (33, 301), (44, 402), (11, 102), (11, 101);
insert into t3 values (22, 100), (53, 301), (64, 402), (22, 102), (22, 101);
analyze table t1,t2,t3;
Table Op Msg_type Msg_text
test.t1 analyze status OK
@ -1546,6 +1550,115 @@ GROUP BY t2.f1, t2.f2;
f1 f1 f2
DROP TABLE t1,t2;
End of 5.1 tests
#
# LP bug #813447: LEFT JOIN with single-row inner table and
# a subquery in ON expression
#
CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (0);
CREATE TABLE t2 (a int);
INSERT INTO t2 VALUES (0);
CREATE TABLE t3 (a int);
INSERT INTO t3 VALUES (0), (0);
SELECT t2.a FROM t1 LEFT JOIN t2 ON (6) IN (SELECT a FROM t3);
a
NULL
EXPLAIN EXTENDED
SELECT t2.a FROM t1 LEFT JOIN t2 ON (6) IN (SELECT a FROM t3);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00
1 PRIMARY t2 ALL NULL NULL NULL NULL 1 100.00 Using where
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t1` left join `test`.`t2` on(<in_optimizer>(6,<exists>(select `test`.`t3`.`a` from `test`.`t3` where (6 = `test`.`t3`.`a`)))) where 1
DROP TABLE t1,t2,t3;
#
# LP bug #817384 Wrong result with outer join + subquery in ON
# clause +unique key
#
CREATE TABLE t1 ( c int NOT NULL , b char(1) NOT NULL ) ;
INSERT INTO t1 VALUES (1,'b');
CREATE TABLE t2 ( a int NOT NULL , b char(1) NOT NULL , PRIMARY KEY (a)) ;
INSERT INTO t2 VALUES (1,'a');
create table t3 (c1 char(1), c2 char(2));
insert into t3 values ('c','d');
insert into t3 values ('c','d');
EXPLAIN SELECT t2.b
FROM t1 LEFT JOIN t2 ON t1.c = t2.a AND ( t2.b , t1.b ) IN (SELECT * from t3);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
1 PRIMARY t2 eq_ref PRIMARY PRIMARY 4 const 1 Using where
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using where
SELECT t2.b
FROM t1 LEFT JOIN t2 ON t1.c = t2.a AND ( t2.b , t1.b ) IN (SELECT * from t3);
b
NULL
EXPLAIN SELECT t2.b
FROM t1 LEFT JOIN t2 ON (t2.b) IN (SELECT c2 from t3) AND t2.a = 1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
1 PRIMARY t2 const PRIMARY PRIMARY 4 const 1 Using where
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using where
SELECT t2.b
FROM t1 LEFT JOIN t2 ON (t2.b) IN (SELECT c2 from t3) AND t2.a = 1;
b
NULL
DROP TABLE t1,t2,t3;
#
# LP bug #825035: second execution of PS with outer join
#
CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (1),(2),(3),(4);
CREATE TABLE t2 (a int);
PREPARE stmt FROM
"SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a";
EXECUTE stmt;
a a
1 NULL
2 NULL
3 NULL
4 NULL
EXECUTE stmt;
a a
1 NULL
2 NULL
3 NULL
4 NULL
DEALLOCATE PREPARE stmt;
DROP TABLE t1,t2;
#
# LP bug #838633: second execution of PS with outer join
# converted to inner join
#
CREATE TABLE t1 ( b int NOT NULL ) ;
INSERT INTO t1 VALUES (9),(10);
CREATE TABLE t2 ( b int NOT NULL, PRIMARY KEY (b)) ;
INSERT INTO t2 VALUES
(75),(76),(77),(78),(79),(80),(81),(82),(83),(84),(85),(86),(87),(88),(89),
(10), (90),(91),(92),(93),(94),(95),(96),(97),(98),(99),(100);
CREATE TABLE t3 ( a int, b int NOT NULL , PRIMARY KEY (b)) ;
INSERT INTO t3 VALUES
(0,6),(0,7),(0,8),(2,9),(0,10),(2,21),(0,22),(2,23),(2,24),(2,25);
SET SESSION join_cache_level=4;
EXPLAIN EXTENDED
SELECT * FROM (t2 LEFT JOIN t1 ON t1.b = t2.b) JOIN t3 ON t1.b = t3.b;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00
1 SIMPLE t3 hash_ALL PRIMARY #hash#PRIMARY 4 test.t1.b 10 10.00 Using join buffer (flat, BNLH join)
1 SIMPLE t2 hash_index PRIMARY #hash#PRIMARY:PRIMARY 4:4 test.t1.b 27 3.70 Using join buffer (incremental, BNLH join)
Warnings:
Note 1003 select `test`.`t2`.`b` AS `b`,`test`.`t1`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b` from `test`.`t2` join `test`.`t1` join `test`.`t3` where ((`test`.`t3`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`b` = `test`.`t1`.`b`))
PREPARE stmt FROM
'SELECT * FROM (t2 LEFT JOIN t1 ON t1.b = t2.b) JOIN t3 ON t1.b = t3.b';
EXECUTE stmt;
b b a b
10 10 0 10
EXECUTE stmt;
b b a b
10 10 0 10
DEALLOCATE PREPARE stmt;
SET SESSION join_cache_level=default;
DROP TABLE t1,t2,t3;
set join_cache_level=default;
show variables like 'join_cache_level';
Variable_name Value

2
mysql-test/r/key_cache.result
View File

@ -628,7 +628,7 @@ select p from t1 where p between 1010 and 1020;
p
explain select i from t2 where p between 1010 and 1020;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range PRIMARY PRIMARY 4 NULL 28 Using index condition; Rowid-ordered scan
1 SIMPLE t2 range PRIMARY PRIMARY 4 NULL 28 Using where
select i from t2 where p between 1010 and 1020;
i
1

24
mysql-test/r/kill.result
View File

@ -125,6 +125,7 @@ release_lock("lock27563")
drop table t1, t2;
drop function bug27563;
drop procedure proc27563;
set session optimizer_search_depth=0;
PREPARE stmt FROM 'EXPLAIN SELECT * FROM t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13,t14,t15,t16,t17,t18,t19,t20,t21,t22,t23,t24,t25,t26,t27,t28,t29,t30,t31,t32,t33,t34,t35,t36,t37,t38,t39,t40 WHERE a1=a2 AND a2=a3 AND a3=a4 AND a4=a5 AND a5=a6 AND a6=a7 AND a7=a8 AND a8=a9 AND a9=a10 AND a10=a11 AND a11=a12 AND a12=a13 AND a13=a14 AND a14=a15 AND a15=a16 AND a16=a17 AND a17=a18 AND a18=a19 AND a19=a20 AND a20=a21 AND a21=a22 AND a22=a23 AND a23=a24 AND a24=a25 AND a25=a26 AND a26=a27 AND a27=a28 AND a28=a29 AND a29=a30 AND a30=a31 AND a31=a32 AND a32=a33 AND a33=a34 AND a34=a35 AND a35=a36 AND a36=a37 AND a37=a38 AND a38=a39 AND a39=a40 ';
EXECUTE stmt;
#
@ -138,4 +139,27 @@ KILL CONNECTION_ID();
# of close of the connection socket
SELECT 1;
Got one of the listed errors
#
# Test kill USER
#
grant ALL on test.* to test@localhost;
grant ALL on test.* to test2@localhost;
kill hard query user test2@nohost;
affected rows: 0
kill soft query user test@localhost;
affected rows: 1
kill hard query user test@localhost;
affected rows: 1
kill soft connection user test2;
affected rows: 1
kill hard connection user test@localhost;
affected rows: 1
revoke all privileges on test.* from test@localhost;
revoke all privileges on test.* from test2@localhost;
drop user test@localhost;
drop user test2@localhost;
select 1;
Got one of the listed errors
select 1;
Got one of the listed errors
set @@global.concurrent_insert= @old_concurrent_insert;

508
mysql-test/r/maria_icp.result
View File

@ -1,5 +1,7 @@
set @save_storage_engine= @@storage_engine;
set storage_engine=Maria;
set @maria_icp_tmp=@@optimizer_switch;
set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
#
# Bug#36981 - "innodb crash when selecting for update"
#
@ -81,6 +83,150 @@ c1 c2 c3 c4
DROP TABLE t1;
#
# Bug#43617 - Innodb returns wrong results with timestamp's range value
# in IN clause
# (Note: Fixed by patch for BUG#42580)
#
CREATE TABLE t1(
c1 TIMESTAMP NOT NULL,
c2 TIMESTAMP NULL,
c3 DATE,
c4 DATETIME,
PRIMARY KEY(c1),
UNIQUE INDEX(c2)
);
INSERT INTO t1 VALUES
('0000-00-00 00:00:00','0000-00-00 00:00:00','2008-01-04','2008-01-05 00:00:00'),
('1971-01-01 00:00:01','1980-01-01 00:00:01','2009-01-01','2009-01-02 00:00:00'),
('1999-01-01 00:00:00','1999-01-01 00:00:00', NULL, NULL),
('2007-05-23 09:15:28','2007-05-23 09:15:28','2007-05-24','2007-05-24 09:15:28'),
('2007-05-27 00:00:00','2007-05-25 00:00:00','2007-05-26','2007-05-26 00:00:00'),
('2008-01-01 00:00:00', NULL, '2008-01-02','2008-01-03 00:00:00'),
('2009-01-29 11:11:27','2009-01-29 11:11:27','2009-01-29','2009-01-29 11:11:27'),
('2038-01-09 03:14:07','2038-01-09 03:14:07','2009-01-05','2009-01-06 00:00:00');
SELECT *
FROM t1
WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07')
ORDER BY c2;
c1 c2 c3 c4
2038-01-09 03:14:07 2038-01-09 03:14:07 2009-01-05 2009-01-06 00:00:00
SELECT *
FROM t1
WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07')
ORDER BY c2 LIMIT 2;
c1 c2 c3 c4
2038-01-09 03:14:07 2038-01-09 03:14:07 2009-01-05 2009-01-06 00:00:00
SELECT *
FROM t1
WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07')
ORDER BY c2 DESC;
c1 c2 c3 c4
2038-01-09 03:14:07 2038-01-09 03:14:07 2009-01-05 2009-01-06 00:00:00
SELECT *
FROM t1
WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07')
ORDER BY c2 DESC LIMIT 2;
c1 c2 c3 c4
2038-01-09 03:14:07 2038-01-09 03:14:07 2009-01-05 2009-01-06 00:00:00
DROP TABLE t1;
#
# BUG#43618: MyISAM&Maria returns wrong results with 'between'
# on timestamp
#
CREATE TABLE t1(
ts TIMESTAMP NOT NULL,
c char NULL,
PRIMARY KEY(ts)
);
INSERT INTO t1 VALUES
('1971-01-01','a'),
('2007-05-25','b'),
('2008-01-01','c'),
('2038-01-09','d');
# Execute select with invalid timestamp, desc ordering
SELECT *
FROM t1
WHERE ts BETWEEN '0000-00-00' AND '2010-00-01 00:00:00'
ORDER BY ts DESC
LIMIT 2;
ts c
2008-01-01 00:00:00 c
2007-05-25 00:00:00 b
# Should use index condition
EXPLAIN
SELECT *
FROM t1
WHERE ts BETWEEN '0000-00-00' AND '2010-00-01 00:00:00'
ORDER BY ts DESC
LIMIT 2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 4 Using index condition
DROP TABLE t1;
#
# BUG#49906: Assertion failed - Field_varstring::val_str in field.cc
# (Note: Fixed by patch for LP BUG#625841)
#
CREATE TABLE t1 (
f1 VARCHAR(1024),
f2 VARCHAR(10),
INDEX test_idx USING BTREE (f2,f1(5))
);
INSERT INTO t1 VALUES ('a','c'), ('b','d');
SELECT f1
FROM t1
WHERE f2 LIKE 'd'
ORDER BY f1;
f1
b
DROP TABLE t1;
#
# Bug#52660 - "Perf. regr. using ICP for MyISAM on range queries on
# an index containing TEXT"
#
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
CREATE TABLE t2 (a INT);
INSERT INTO t2 SELECT A.a + 10*(B.a) FROM t1 A, t1 B;
CREATE TABLE t3 (
c1 TINYTEXT NOT NULL,
i1 INT NOT NULL,
KEY (c1(6),i1)
);
INSERT INTO t3 SELECT CONCAT('c-',1000+t2.a,'=w'), 1 FROM t2;
EXPLAIN
SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t3 range c1 c1 8 NULL 3 Using where
SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w';
c1
c-1004=w
c-1005=w
c-1006=w
EXPLAIN
SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w' and i1 > 2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t3 range c1 c1 12 NULL 2 Using index condition; Using where
SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w' and i1 > 2;
c1
EXPLAIN
SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w' or i1 > 2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t3 ALL c1 NULL NULL NULL 100 Using where
SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w' or i1 > 2;
c1
c-1004=w
c-1005=w
c-1006=w
DROP TABLE t1, t2, t3;
#
# Bug#40992 - InnoDB: Crash when engine_condition_pushdown is on
#
CREATE TABLE t (
@ -200,4 +346,366 @@ COUNT(*)
12
DROP PROCEDURE insert_data;
DROP TABLE t1, t2, t3;
#
# Bug#57372 "Multi-table updates and deletes fail when running with ICP
# against InnoDB"
#
CREATE TABLE t1 (
a INT KEY,
b INT
);
CREATE TABLE t2 (
a INT KEY,
b INT
);
INSERT INTO t1 VALUES (1, 101), (2, 102), (3, 103), (4, 104), (5, 105);
INSERT INTO t2 VALUES (1, 1), (2, 2), (3, 3), (4, 4), (5, 5);
UPDATE t1, t2
SET t1.a = t1.a + 100, t2.b = t1.a + 10
WHERE t1.a BETWEEN 2 AND 4 AND t2.a = t1.b - 100;
SELECT * FROM t1;
a b
1 101
102 102
103 103
104 104
5 105
SELECT * FROM t2;
a b
1 1
2 12
3 13
4 14
5 5
DROP TABLE t1, t2;
#
# Bug#52605 - "Adding LIMIT 1 clause to query with complex range
# predicate causes wrong results"
#
CREATE TABLE t1 (
pk INT NOT NULL,
c1 INT,
PRIMARY KEY (pk),
KEY k1 (c1)
);
INSERT INTO t1 VALUES (1,NULL);
INSERT INTO t1 VALUES (2,6);
INSERT INTO t1 VALUES (3,NULL);
INSERT INTO t1 VALUES (4,6);
INSERT INTO t1 VALUES (5,NULL);
INSERT INTO t1 VALUES (6,NULL);
INSERT INTO t1 VALUES (7,9);
INSERT INTO t1 VALUES (8,0);
SELECT pk, c1
FROM t1
WHERE (pk BETWEEN 4 AND 5 OR pk < 2) AND c1 < 240
ORDER BY c1
LIMIT 1;
pk c1
4 6
EXPLAIN SELECT pk, c1
FROM t1
WHERE (pk BETWEEN 4 AND 5 OR pk < 2) AND c1 < 240
ORDER BY c1
LIMIT 1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY,k1 k1 5 NULL 4 Using where
DROP TABLE t1;
#
# Bug#59259 "Incorrect rows returned for a correlated subquery
# when ICP is on"
#
CREATE TABLE t1 (pk INTEGER PRIMARY KEY, i INTEGER NOT NULL) ENGINE=InnoDB;
Warnings:
Warning 1286 Unknown table engine 'InnoDB'
Warning 1266 Using storage engine Aria for table 't1'
INSERT INTO t1 VALUES (11,0);
INSERT INTO t1 VALUES (12,5);
INSERT INTO t1 VALUES (15,0);
CREATE TABLE t2 (pk INTEGER PRIMARY KEY, i INTEGER NOT NULL) ENGINE=InnoDB;
Warnings:
Warning 1286 Unknown table engine 'InnoDB'
Warning 1266 Using storage engine Aria for table 't2'
INSERT INTO t2 VALUES (11,1);
INSERT INTO t2 VALUES (12,2);
INSERT INTO t2 VALUES (15,4);
set @save_optimizer_switch= @@optimizer_switch;
set optimizer_switch='semijoin=off';
EXPLAIN
SELECT * FROM t1
WHERE pk IN (SELECT it.pk FROM t2 JOIN t2 AS it ON it.i=it.i WHERE it.pk-t1.i<10);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 Using where
2 DEPENDENT SUBQUERY t2 index NULL PRIMARY 4 NULL 3 Using index
2 DEPENDENT SUBQUERY it eq_ref PRIMARY PRIMARY 4 func 1 Using index condition
SELECT * FROM t1
WHERE pk IN (SELECT it.pk FROM t2 JOIN t2 AS it ON it.i=it.i WHERE it.pk-t1.i<10);
pk i
12 5
set optimizer_switch=@save_optimizer_switch;
DROP TABLE t1, t2;
#
# Bug #58816 "Extra temporary duplicate rows in result set when
# switching ICP off"
#
set @save_optimizer_switch= @@optimizer_switch;
CREATE TABLE t1 (
pk INT NOT NULL,
c1 INT NOT NULL,
PRIMARY KEY (pk)
);
INSERT INTO t1 VALUES (1,9),(2,7),(3,6),(4,3),(5,1);
EXPLAIN SELECT pk, c1 FROM t1 WHERE pk <> 3;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 5 Using where
SET SESSION optimizer_switch='index_condition_pushdown=off';
SELECT pk, c1 FROM t1 WHERE pk <> 3;
pk c1
1 9
2 7
4 3
5 1
DROP TABLE t1;
set optimizer_switch= @save_optimizer_switch;
#
# Bug#58837: ICP crash or valgrind error due to uninitialized
# value in innobase_index_cond
#
CREATE TABLE t1 (
t1_int INT,
t1_time TIME
);
CREATE TABLE t2 (
t2_int int PRIMARY KEY,
t2_int2 INT
);
INSERT INTO t2 VALUES ();
INSERT INTO t1 VALUES ();
SELECT * FROM t1 AS t1a
WHERE NOT EXISTS (SELECT * FROM t1 AS t1b
WHERE t1b.t1_int NOT IN
(SELECT t2.t2_int FROM t2
WHERE t1b.t1_time LIKE t1b.t1_int
OR t1b.t1_time <> t2.t2_int2
AND 6=7));
t1_int t1_time
DROP TABLE t1,t2;
#
# Bug#59186: Wrong results of join when ICP is enabled
# (fixed by the patch for LP bug #694092)
#
CREATE TABLE t1 (
pk INTEGER NOT NULL,
c1 VARCHAR(3) NOT NULL,
PRIMARY KEY (pk)
);
INSERT INTO t1 VALUES (1,'y'),(0,'or');
CREATE TABLE t2 (
pk INTEGER NOT NULL,
c1 VARCHAR(3) NOT NULL,
c2 VARCHAR(6) NOT NULL,
PRIMARY KEY (pk)
);
INSERT INTO t2 VALUES (6,'y','RPOYT'),(10,'m','JINQE');
EXPLAIN
SELECT c2 FROM t1 JOIN t2 ON t1.c1 = t2.c1
WHERE (t2.pk <= 4 AND t1.pk IN (2,1)) OR
(t1.pk > 1 AND t2.pk BETWEEN 6 AND 6);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 2 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t2 range PRIMARY PRIMARY 4 NULL 2 Using index condition; Using where; Rowid-ordered scan; Using join buffer (flat, BNL join)
SELECT c2 FROM t1 JOIN t2 ON t1.c1 = t2.c1
WHERE (t2.pk <= 4 AND t1.pk IN (2,1)) OR
(t1.pk > 1 AND t2.pk BETWEEN 6 AND 6);
c2
DROP TABLE t1, t2;
#
# Bug#58838: "Wrong results with HAVING + LIMIT without GROUP BY when
# ICP is enabled".
# (Fixed by the patches for LP bugs #668644, #702322)
#
CREATE TABLE t1 (
pk INT NOT NULL,
c1 INT,
PRIMARY KEY (pk),
KEY col_int_key (c1)
);
INSERT INTO t1 VALUES (1,37),(2,8),(3,-25),(4,NULL),(5,55);
SELECT pk FROM t1 WHERE c1 <> 1 HAVING pk = 3 ORDER BY pk LIMIT 0;
pk
SELECT pk FROM t1 WHERE c1 <> 1 HAVING pk = 3 ORDER BY pk LIMIT 1;
pk
3
SELECT pk FROM t1 WHERE c1 <> 1 HAVING pk = 3 ORDER BY pk LIMIT 2;
pk
3
SELECT pk FROM t1 WHERE c1 <> 1 HAVING pk = 3 ORDER BY pk LIMIT 5;
pk
3
DROP TABLE t1;
#
# Bug#59483 "Crash on INSERT/REPLACE in
# rec_convert_dtuple_to_rec_comp with ICP on"
#
CREATE TABLE t1 (
pk INTEGER AUTO_INCREMENT PRIMARY KEY,
i1 INTEGER,
c1 CHAR(6),
i2 INTEGER NOT NULL,
KEY (i2)
);
INSERT INTO t1 VALUES
(NULL, 4, 'that', 8),
(NULL, 1, 'she', 6),
(NULL, 6, 'tell', 2);
SELECT * FROM t1 WHERE i2 IN (3, 6) LIMIT 2 FOR UPDATE;
pk i1 c1 i2
2 1 she 6
INSERT INTO t1 (i2) VALUES (1);
DROP TABLE t1;
#
# Bug #11766678 - 59843:
# USING UNINITIALISED VALUE IN USES_INDEX_FIELDS_ONLY
#
CREATE TABLE t1 (
col999 FLOAT NOT NULL,
COL1000 VARBINARY(179) NOT NULL,
col1003 DATE DEFAULT NULL,
KEY idx4267 (col1000, col1003)
);
INSERT INTO t1 VALUES (),();
Warnings:
Warning 1364 Field 'col999' doesn't have a default value
Warning 1364 Field 'COL1000' doesn't have a default value
SELECT col999 FROM t1 WHERE col1000 = "3" AND col1003 <=> sysdate();
col999
DROP TABLE t1;
#
# BUG#12822678 - ICP WITH STRAIGHT_JOIN
#
CREATE TABLE t1 (
i1 INTEGER NOT NULL,
d1 DOUBLE,
KEY k1 (d1)
);
INSERT INTO t1 VALUES (10,1), (17,NULL), (22,NULL);
CREATE TABLE t2 (
pk INTEGER NOT NULL,
i1 INTEGER NOT NULL,
PRIMARY KEY (pk)
);
INSERT INTO t2 VALUES (4,1);
EXPLAIN
SELECT t1.d1, t2.pk, t2.i1 FROM t1 STRAIGHT_JOIN t2 ON t2.i1
WHERE t2.pk <> t1.d1 AND t2.pk = 4;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL k1 9 NULL 3 Using index
1 SIMPLE t2 const PRIMARY PRIMARY 4 const 1 Using where
SELECT t1.d1, t2.pk, t2.i1 FROM t1 STRAIGHT_JOIN t2 ON t2.i1
WHERE t2.pk <> t1.d1 AND t2.pk = 4;
d1 pk i1
1 4 1
DROP TABLE t1, t2;
#
# BUG#778434 Wrong result with in_to_exists=on in maria-5.3-mwl89
#
CREATE TABLE t1 ( f11 int) ;
INSERT IGNORE INTO t1 VALUES (0);
CREATE TABLE t2 ( f10 int) ;
INSERT IGNORE INTO t2 VALUES (0);
CREATE TABLE t3 ( f1 int NOT NULL , f10 int, PRIMARY KEY (f1)) ;
INSERT IGNORE INTO t3 VALUES (6,0),(10,0);
CREATE TABLE t4 ( f11 int) ;
INSERT IGNORE INTO t4 VALUES
(0),(0),(0),(0),(0),(0),(0),(0),(0),(0),(NULL),
(0),(0),(0),(0),(0),(0),(0),(0),(0),(0);
set @tmp_778434=@@optimizer_switch;
SET optimizer_switch='materialization=off,in_to_exists=on,subquery_cache=off,semijoin=off';
SELECT * FROM t1 INNER JOIN t2 ON t2.f10 = t1.f11
WHERE (6, 234) IN (
SELECT t3.f1, t3.f1
FROM t3 JOIN t4 ON t4.f11 = t3.f10
);
f11 f10
DROP TABLE t1,t2,t3,t4;
set optimizer_switch= @tmp_778434;
#
# Bug#885168: ICP for one index + potential ORDER BY for another
#
CREATE TABLE t1 (a varchar(64), b varchar(10), INDEX(a), INDEX(b)) ;
INSERT INTO t1 VALUES
('Ohio','Iowa'), ('k','d'), ('bdkpj','mbdkpjdanp'), ('d','xdmbdkpjda'),
('fkxdmbdkpjdanpje','o'), ('f','Pennsylvan'), ('Virginia','ei');
SET SESSION optimizer_switch='index_condition_pushdown=off';
EXPLAIN
SELECT * FROM t1
WHERE NOT(b = 'Texas') AND b BETWEEN 'wy' AND 'y' OR b = 'Pennsylvania'
ORDER BY a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range b b 13 NULL 2 Using where; Rowid-ordered scan; Using filesort
SELECT * FROM t1
WHERE NOT(b = 'Texas') AND b BETWEEN 'wy' AND 'y' OR b = 'Pennsylvania'
ORDER BY a;
a b
d xdmbdkpjda
SET SESSION optimizer_switch='index_condition_pushdown=on';
EXPLAIN
SELECT * FROM t1
WHERE NOT(b = 'Texas') AND b BETWEEN 'wy' AND 'y' OR b = 'Pennsylvania'
ORDER BY a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range b b 13 NULL 2 Using index condition; Using where; Rowid-ordered scan; Using filesort
SELECT * FROM t1
WHERE NOT(b = 'Texas') AND b BETWEEN 'wy' AND 'y' OR b = 'Pennsylvania'
ORDER BY a;
a b
d xdmbdkpjda
DROP TABLE t1;
#
# Bug#886145: join with ICP + ORDER BY
#
CREATE TABLE t1 (b int NOT NULL, c int, a varchar(1024), PRIMARY KEY (b));
INSERT INTO t1 VALUES (1,4,'Ill');
CREATE TABLE t2 (a varchar(1024), KEY (a(512)));
INSERT INTO t2 VALUES
('Ill'), ('eckqzsflbzaffti'), ('w'), ('she'), ('gxbwypqtjzwywwer'), ('w');
SET SESSION optimizer_switch='index_condition_pushdown=off';
EXPLAIN
SELECT t1.b, t1.c FROM t1, t2 WHERE t1.a = t2.a AND t1.b != 0
HAVING t1.c != 5 ORDER BY t1.c;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 system PRIMARY NULL NULL NULL 1
1 SIMPLE t2 ref a a 515 const 1 Using where
SELECT t1.b, t1.c FROM t1, t2 WHERE t1.a = t2.a AND t1.b != 0
HAVING t1.c != 5 ORDER BY t1.c;
b c
1 4
SET SESSION optimizer_switch='index_condition_pushdown=on';
EXPLAIN
SELECT t1.b, t1.c FROM t1, t2 WHERE t1.a = t2.a AND t1.b != 0
HAVING t1.c != 5 ORDER BY t1.c;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 system PRIMARY NULL NULL NULL 1
1 SIMPLE t2 ref a a 515 const 1 Using where
SELECT t1.b, t1.c FROM t1, t2 WHERE t1.a = t2.a AND t1.b != 0
HAVING t1.c != 5 ORDER BY t1.c;
b c
1 4
DROP TABLE t1,t2;
#
# Bug#879871: InnoDB: possible ICP + GROUP BY primary index
#
CREATE TABLE t1 (
a int NOT NULL, b int, c varchar(1), d varchar(1),
PRIMARY KEY (a), KEY c (c,b)
);
INSERT INTO t1 VALUES (10,8,'g','g');
SET SESSION optimizer_switch='index_condition_pushdown=off';
SELECT a FROM t1 WHERE c IS NULL AND d IS NOT NULL GROUP BY 1;
a
SET SESSION optimizer_switch='index_condition_pushdown=on';
SELECT a FROM t1 WHERE c IS NULL AND d IS NOT NULL GROUP BY 1;
a
DROP TABLE t1;
set storage_engine= @save_storage_engine;
set optimizer_switch=@maria_icp_tmp;

20
mysql-test/r/maria_mrr.result
View File

@ -1,4 +1,6 @@
drop table if exists t1,t2,t3,t4;
set @maria_mrr_tmp=@@optimizer_switch;
set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
set @mrr_buffer_size_save= @@mrr_buffer_size;
set @save_storage_engine= @@storage_engine;
set storage_engine=aria;
@ -185,7 +187,7 @@ explain
select * from t4 where a IS NULL and b IS NULL and (c IS NULL or c='no-such-row1'
or c='no-such-row2');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t4 range idx1 idx1 29 NULL 16 Using index condition; Rowid-ordered scan
1 SIMPLE t4 range idx1 idx1 29 NULL 16 Using index condition; Using where; Rowid-ordered scan
select * from t4 where a IS NULL and b IS NULL and (c IS NULL or c='no-such-row1'
or c='no-such-row2');
a b c filler
@ -207,7 +209,7 @@ NULL NULL NULL NULL-1
explain
select * from t4 where (a ='b-1' or a='bb-1') and b IS NULL and (c='c-1' or c='cc-2');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t4 range idx1 idx1 29 NULL 32 Using index condition; Rowid-ordered scan
1 SIMPLE t4 range idx1 idx1 29 NULL 32 Using index condition; Using where; Rowid-ordered scan
select * from t4 where (a ='b-1' or a='bb-1') and b IS NULL and (c='c-1' or c='cc-2');
a b c filler
b-1 NULL c-1 NULL-15
@ -342,7 +344,9 @@ pk int NOT NULL, i int NOT NULL, v varchar(1) NOT NULL,
PRIMARY KEY (pk), INDEX idx (v, i)
) ENGINE=ARIA;
INSERT INTO t3 SELECT * FROM t1;
INSERT INTO t3 VALUES (88, 442, 'y'), (99, 445, 'w') ;
INSERT INTO t3 VALUES
(88, 442, 'y'), (99, 445, 'w'), (87, 442, 'z'), (98, 445, 'v'), (86, 442, 'x'),
(97, 445, 't'), (85, 442, 'b'), (96, 445, 'l'), (84, 442, 'a'), (95, 445, 'k');
SELECT COUNT(t1.v) FROM t1, t2 IGNORE INDEX (idx), t3 IGNORE INDEX (idx)
WHERE t3.v = t2.v AND t3.i < t2.i AND t3.pk > 0 AND t2.pk > 0;
COUNT(t1.v)
@ -353,7 +357,7 @@ WHERE t3.v = t2.v AND t3.i < t2.i AND t3.pk > 0 AND t2.pk > 0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL idx 7 NULL 15 Using index
1 SIMPLE t2 ALL PRIMARY NULL NULL NULL 16 Using where; Using join buffer (flat, BNL join)
1 SIMPLE t3 ALL PRIMARY NULL NULL NULL 17 Using where; Using join buffer (flat, BNL join)
1 SIMPLE t3 ALL PRIMARY NULL NULL NULL 25 Using where; Using join buffer (flat, BNL join)
SELECT COUNT(t1.v) FROM t1, t2, t3
WHERE t3.v = t2.v AND t3.i < t2.i AND t3.pk > 0 AND t2.pk > 0;
COUNT(t1.v)
@ -379,11 +383,8 @@ PRIMARY KEY (pk),
KEY col_varchar_1024_latin1_key (col_varchar_1024_latin1_key)
) ENGINE=Aria;
INSERT INTO t1 VALUES
(1,'z'),
(2,'abcdefjhjkl'),
(3,'in'),
(4,'abcdefjhjkl'),
(6,'abcdefjhjkl');
(1,'z'), (2,'abcdefjhjkl'), (3,'in'), (4,'abcdefjhjkl'), (6,'abcdefjhjkl'),
(11,'zx'), (12,'abcdefjhjm'), (13,'jn'), (14,'abcdefjhjp'), (16,'abcdefjhjr');
CREATE TABLE t2 (
col_varchar_10_latin1 varchar(10) DEFAULT NULL
) ENGINE=Aria;
@ -426,4 +427,5 @@ alias2.f3 < 0;
f2 f3 f4 f5 f2
set join_cache_level=@_save_join_cache_level;
set join_buffer_size=@_save_join_buffer_size;
set optimizer_switch=@maria_mrr_tmp;
drop table t1;

2
mysql-test/r/merge.result
View File

@ -673,7 +673,7 @@ id select_type table type possible_keys key key_len ref rows Extra
EXPLAIN SELECT * FROM t1 WHERE fileset_id = 2
AND file_code BETWEEN '0000000115' AND '0000000120' LIMIT 1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY,files PRIMARY 35 NULL 5 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range PRIMARY,files PRIMARY 35 NULL 5 Using where
EXPLAIN SELECT * FROM t2 WHERE fileset_id = 2
AND file_code = '0000000115' LIMIT 1;
id select_type table type possible_keys key key_len ref rows Extra

8
mysql-test/r/mix2_myisam.result
View File

@ -1114,11 +1114,11 @@ count(*)
29267
explain select * from t1 where c between 1 and 2500;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c c 5 NULL # Using index condition; Rowid-ordered scan
1 SIMPLE t1 range c c 5 NULL # Using where
update t1 set c=a;
explain select * from t1 where c between 1 and 2500;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range c c 5 NULL # Using index condition; Rowid-ordered scan
1 SIMPLE t1 range c c 5 NULL # Using where
drop table t1,t2;
create table t1 (id int primary key auto_increment, fk int, index index_fk (fk)) engine=MyISAM;
insert into t1 (id) values (null),(null),(null),(null),(null);
@ -1559,7 +1559,7 @@ qq
*a *a*a *
explain select * from t1 where v='a';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v,v_2 # 13 const # Using index condition
1 SIMPLE t1 ref v,v_2 # 13 const # Using where
select v,count(*) from t1 group by v limit 10;
v count(*)
a 1
@ -1735,7 +1735,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 303 const # Using where; Using index
explain select * from t1 where v='a';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 303 const # Using index condition
1 SIMPLE t1 ref v v 303 const # Using where
select v,count(*) from t1 group by v limit 10;
v count(*)
a 1

892
mysql-test/r/mrr_icp_extra.result Normal file
View File

@ -0,0 +1,892 @@
set @mrr_icp_extra_tmp=@@optimizer_switch;
set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
SET NAMES latin1;
CREATE TABLE t1
(s1 char(10) COLLATE latin1_german1_ci,
s2 char(10) COLLATE latin1_swedish_ci,
KEY(s1),
KEY(s2));
INSERT INTO t1 VALUES ('a','a');
INSERT INTO t1 VALUES ('b','b');
INSERT INTO t1 VALUES ('c','c');
INSERT INTO t1 VALUES ('d','d');
INSERT INTO t1 VALUES ('e','e');
INSERT INTO t1 VALUES ('f','f');
INSERT INTO t1 VALUES ('g','g');
INSERT INTO t1 VALUES ('h','h');
INSERT INTO t1 VALUES ('i','i');
INSERT INTO t1 VALUES ('j','j');
EXPLAIN SELECT * FROM t1 WHERE s1='a';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref s1 s1 11 const 1 Using index condition
EXPLAIN SELECT * FROM t1 WHERE s2='a';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref s2 s2 11 const 1 Using index condition
EXPLAIN SELECT * FROM t1 WHERE s1='a' COLLATE latin1_german1_ci;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref s1 s1 11 const 1 Using index condition
EXPLAIN SELECT * FROM t1 WHERE s2='a' COLLATE latin1_german1_ci;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL s2 NULL NULL NULL 10 Using where
EXPLAIN SELECT * FROM t1 WHERE s1 BETWEEN 'a' AND 'b' COLLATE latin1_german1_ci;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range s1 s1 11 NULL 2 Using index condition; Rowid-ordered scan
EXPLAIN SELECT * FROM t1 WHERE s2 BETWEEN 'a' AND 'b' COLLATE latin1_german1_ci;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL s2 NULL NULL NULL 10 Using where
EXPLAIN SELECT * FROM t1 WHERE s1 IN ('a','b' COLLATE latin1_german1_ci);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range s1 s1 11 NULL 2 Using index condition; Rowid-ordered scan
EXPLAIN SELECT * FROM t1 WHERE s2 IN ('a','b' COLLATE latin1_german1_ci);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL s2 NULL NULL NULL 10 Using where
EXPLAIN SELECT * FROM t1 WHERE s1 LIKE 'a' COLLATE latin1_german1_ci;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range s1 s1 11 NULL 1 Using index condition; Rowid-ordered scan
EXPLAIN SELECT * FROM t1 WHERE s2 LIKE 'a' COLLATE latin1_german1_ci;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL s2 NULL NULL NULL 10 Using where
DROP TABLE t1;
#
#
CREATE TABLE t2 (a varchar(32), b int(11), c float, d double,
UNIQUE KEY a (a,b,c), KEY b (b), KEY c (c));
CREATE TABLE t1 (a varchar(32), b char(3), UNIQUE KEY a (a,b), KEY b (b));
CREATE TABLE t3 (a varchar(32), b char(3), UNIQUE KEY a (a,b));
INSERT INTO t3 SELECT * FROM t1;
EXPLAIN
SELECT d FROM t1, t2
WHERE t2.b=14 AND t2.a=t1.a AND 5.1<t2.c AND t1.b='DE'
ORDER BY t2.c LIMIT 1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
SELECT d FROM t1, t2
WHERE t2.b=14 AND t2.a=t1.a AND 5.1<t2.c AND t1.b='DE'
ORDER BY t2.c LIMIT 1;
d
DROP TABLE t1,t2,t3;
#
#
create table t1(a int, b int, index(b));
insert into t1 values (2, 1), (1, 1), (4, NULL), (3, NULL), (6, 2), (5, 2);
insert into t1 values (2, 11), (1, 11), (4, 14), (3, 14), (6, 12), (5, 12);
explain select * from t1 where b=1 or b is null order by a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref_or_null b b 5 const 4 Using index condition; Using where; Using filesort
select * from t1 where b=1 or b is null order by a;
a b
1 1
2 1
3 NULL
4 NULL
explain select * from t1 where b=2 or b is null order by a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref_or_null b b 5 const 3 Using index condition; Using where; Using filesort
select * from t1 where b=2 or b is null order by a;
a b
3 NULL
4 NULL
5 2
6 2
drop table t1;
#
#
CREATE TABLE t1 (
FieldKey varchar(36) NOT NULL default '',
LongVal bigint(20) default NULL,
StringVal mediumtext,
KEY FieldKey (FieldKey),
KEY LongField (FieldKey,LongVal),
KEY StringField (FieldKey,StringVal(32))
);
INSERT INTO t1 VALUES ('0',3,'0'),('0',2,'1'),('0',1,'2'),('1',2,'1'),('1',1,'3'), ('1',0,'2'),('2',3,'0'),('2',2,'1'),('2',1,'2'),('2',3,'0'),('2',2,'1'),('2',1,'2'),('3',2,'1'),('3',1,'2'),('3','3','3');
EXPLAIN SELECT * FROM t1 IGNORE INDEX (LongField, StringField) WHERE FieldKey > '2' ORDER BY LongVal;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range FieldKey FieldKey 38 NULL 4 Using index condition; Rowid-ordered scan; Using filesort
EXPLAIN SELECT * FROM t1 IGNORE INDEX (FieldKey, LongField) WHERE FieldKey > '2' ORDER BY LongVal;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range StringField StringField 38 NULL 4 Using index condition; Using filesort
SELECT * FROM t1 WHERE FieldKey > '2' ORDER BY LongVal;
FieldKey LongVal StringVal
3 1 2
3 2 1
3 3 3
DROP TABLE t1;
#
#
CREATE TABLE t1 (a int not null, b int, c int, key(b), key(c), key(a,b), key(c,a));
INSERT into t1 values (0, null, 0), (0, null, 1), (0, null, 2), (0, null,3), (1,1,4);
create table t2 (a int not null, b int, c int, key(b), key(c), key(a));
INSERT into t2 values (1,1,1), (2,2,2);
optimize table t1;
Table Op Msg_type Msg_text
test.t1 optimize status OK
explain select * from t1 force index (a) where a=0 or a=2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 4 NULL 4 Using index condition; Using where; Rowid-ordered scan
select * from t1 force index (a) where a=0 or a=2;
a b c
0 NULL 0
0 NULL 1
0 NULL 2
0 NULL 3
drop table t1;
#
#
create table t1
(
pk1 int not null,
pk2 int not null,
key1 int not null,
key2 int not null,
pktail1ok int not null,
pktail2ok int not null,
pktail3bad int not null,
pktail4bad int not null,
pktail5bad int not null,
pk2copy int not null,
badkey int not null,
filler1 char (200),
filler2 char (200),
key (key1),
key (key2),
/* keys with tails from CPK members */
key (pktail1ok, pk1),
key (pktail2ok, pk1, pk2),
key (pktail3bad, pk2, pk1),
key (pktail4bad, pk1, pk2copy),
key (pktail5bad, pk1, pk2, pk2copy),
primary key (pk1, pk2)
);
explain select * from t1 where pk1 = 1 and pk2 < 80 and key1=0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY,key1 PRIMARY 8 NULL 7 Using index condition; Using where; Rowid-ordered scan
select * from t1 where pk1 = 1 and pk2 < 80 and key1=0;
pk1 pk2 key1 key2 pktail1ok pktail2ok pktail3bad pktail4bad pktail5bad pk2copy badkey filler1 filler2
1 19 0 0 0 0 0 0 0 19 0 filler-data-19 filler2
1 18 0 0 0 0 0 0 0 18 0 filler-data-18 filler2
1 17 0 0 0 0 0 0 0 17 0 filler-data-17 filler2
1 16 0 0 0 0 0 0 0 16 0 filler-data-16 filler2
1 15 0 0 0 0 0 0 0 15 0 filler-data-15 filler2
1 14 0 0 0 0 0 0 0 14 0 filler-data-14 filler2
1 13 0 0 0 0 0 0 0 13 0 filler-data-13 filler2
1 12 0 0 0 0 0 0 0 12 0 filler-data-12 filler2
1 11 0 0 0 0 0 0 0 11 0 filler-data-11 filler2
1 10 0 0 0 0 0 0 0 10 0 filler-data-10 filler2
drop table t1;
#
#
CREATE TABLE t1 (
f1 int,
f4 varchar(32),
f5 int,
PRIMARY KEY (f1),
KEY (f4)
);
INSERT INTO t1 VALUES
(5,'H',1), (9,'g',0), (527,'i',0), (528,'y',1), (529,'S',6),
(530,'m',7), (531,'b',2), (532,'N',1), (533,'V',NULL), (534,'l',1),
(535,'M',0), (536,'w',1), (537,'j',5), (538,'l',0), (539,'n',2),
(540,'m',2), (541,'r',2), (542,'l',2), (543,'h',3),(544,'o',0),
(956,'h',0), (957,'g',0), (958,'W',5), (959,'s',3), (960,'w',0),
(961,'q',0), (962,'e',NULL), (963,'u',7), (964,'q',1), (965,'N',NULL),
(966,'e',0), (967,'t',3), (968,'e',6), (969,'f',NULL), (970,'j',0),
(971,'s',3), (972,'I',0), (973,'h',4), (974,'g',1), (975,'s',0),
(976,'r',3), (977,'x',1), (978,'v',8), (979,'j',NULL), (980,'z',7),
(981,'t',9), (982,'j',5), (983,'u',NULL), (984,'g',6), (985,'w',1),
(986,'h',1), (987,'v',0), (988,'v',0), (989,'c',2), (990,'b',7),
(991,'z',0), (992,'M',1), (993,'u',2), (994,'r',2), (995,'b',4),
(996,'A',2), (997,'u',0), (998,'a',0), (999,'j',2), (1,'I',2);
EXPLAIN
SELECT * FROM t1
WHERE (f1 < 535 OR f1 > 985) AND ( f4='r' OR f4 LIKE 'a%' ) ;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY,f4 f4 35 NULL 5 Using index condition; Using where; Rowid-ordered scan
SELECT * FROM t1
WHERE (f1 < 535 OR f1 > 985) AND ( f4='r' OR f4 LIKE 'a%' ) ;
f1 f4 f5
994 r 2
996 A 2
998 a 0
drop table t1;
#
#
drop table if exists t1,t2,t3;
--- Testing varchar ---
--- Testing varchar ---
create table t1 (v varchar(10), c char(10), t text);
insert into t1 values('+ ', '+ ', '+ ');
set @a=repeat(' ',20);
insert into t1 values (concat('+',@a),concat('+',@a),concat('+',@a));
Warnings:
Note 1265 Data truncated for column 'v' at row 1
select concat('*',v,'*',c,'*',t,'*') from t1;
concat('*',v,'*',c,'*',t,'*')
*+ *+*+ *
*+ *+*+ *
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`v` varchar(10) DEFAULT NULL,
`c` char(10) DEFAULT NULL,
`t` text
) ENGINE=MyISAM DEFAULT CHARSET=latin1
create table t2 like t1;
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`v` varchar(10) DEFAULT NULL,
`c` char(10) DEFAULT NULL,
`t` text
) ENGINE=MyISAM DEFAULT CHARSET=latin1
create table t3 select * from t1;
show create table t3;
Table Create Table
t3 CREATE TABLE `t3` (
`v` varchar(10) DEFAULT NULL,
`c` char(10) DEFAULT NULL,
`t` text
) ENGINE=MyISAM DEFAULT CHARSET=latin1
alter table t1 modify c varchar(10);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`v` varchar(10) DEFAULT NULL,
`c` varchar(10) DEFAULT NULL,
`t` text
) ENGINE=MyISAM DEFAULT CHARSET=latin1
alter table t1 modify v char(10);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`v` char(10) DEFAULT NULL,
`c` varchar(10) DEFAULT NULL,
`t` text
) ENGINE=MyISAM DEFAULT CHARSET=latin1
alter table t1 modify t varchar(10);
Warnings:
Note 1265 Data truncated for column 't' at row 2
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`v` char(10) DEFAULT NULL,
`c` varchar(10) DEFAULT NULL,
`t` varchar(10) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
select concat('*',v,'*',c,'*',t,'*') from t1;
concat('*',v,'*',c,'*',t,'*')
*+*+*+ *
*+*+*+ *
drop table t1,t2,t3;
create table t1 (v varchar(10), c char(10), t text, key(v), key(c), key(t(10)));
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`v` varchar(10) DEFAULT NULL,
`c` char(10) DEFAULT NULL,
`t` text,
KEY `v` (`v`),
KEY `c` (`c`),
KEY `t` (`t`(10))
) ENGINE=MyISAM DEFAULT CHARSET=latin1
select count(*) from t1;
count(*)
270
insert into t1 values(concat('a',char(1)),concat('a',char(1)),concat('a',char(1)));
select count(*) from t1 where v='a';
count(*)
10
select count(*) from t1 where c='a';
count(*)
10
select count(*) from t1 where t='a';
count(*)
10
select count(*) from t1 where v='a ';
count(*)
10
select count(*) from t1 where c='a ';
count(*)
10
select count(*) from t1 where t='a ';
count(*)
10
select count(*) from t1 where v between 'a' and 'a ';
count(*)
10
select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
count(*)
10
select count(*) from t1 where v like 'a%';
count(*)
11
select count(*) from t1 where c like 'a%';
count(*)
11
select count(*) from t1 where t like 'a%';
count(*)
11
select count(*) from t1 where v like 'a %';
count(*)
9
explain select count(*) from t1 where v='a ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 13 const # Using where; Using index
explain select count(*) from t1 where c='a ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref c c 11 const # Using where; Using index
explain select count(*) from t1 where t='a ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref t t 13 const # Using where
explain select count(*) from t1 where v like 'a%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range v v 13 NULL # Using where; Using index
explain select count(*) from t1 where v between 'a' and 'a ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 13 const # Using where; Using index
explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 13 const # Using where; Using index
alter table t1 add unique(v);
ERROR 23000: Duplicate entry '{ ' for key 'v_2'
alter table t1 add key(v);
select concat('*',v,'*',c,'*',t,'*') as qq from t1 where v='a';
qq
*a*a*a*
*a *a*a *
*a *a*a *
*a *a*a *
*a *a*a *
*a *a*a *
*a *a*a *
*a *a*a *
*a *a*a *
*a *a*a *
explain select * from t1 where v='a';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v,v_2 # 13 const # Using index condition
select v,count(*) from t1 group by v limit 10;
v count(*)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select v,count(t) from t1 group by v limit 10;
v count(t)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select v,count(c) from t1 group by v limit 10;
v count(c)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select sql_big_result v,count(t) from t1 group by v limit 10;
v count(t)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select sql_big_result v,count(c) from t1 group by v limit 10;
v count(c)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select c,count(*) from t1 group by c limit 10;
c count(*)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select c,count(t) from t1 group by c limit 10;
c count(t)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select sql_big_result c,count(t) from t1 group by c limit 10;
c count(t)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select t,count(*) from t1 group by t limit 10;
t count(*)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select t,count(t) from t1 group by t limit 10;
t count(t)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select sql_big_result t,count(t) from t1 group by t limit 10;
t count(t)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
alter table t1 modify v varchar(300), drop key v, drop key v_2, add key v (v);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`v` varchar(300) DEFAULT NULL,
`c` char(10) DEFAULT NULL,
`t` text,
KEY `c` (`c`),
KEY `t` (`t`(10)),
KEY `v` (`v`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
select count(*) from t1 where v='a';
count(*)
10
select count(*) from t1 where v='a ';
count(*)
10
select count(*) from t1 where v between 'a' and 'a ';
count(*)
10
select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
count(*)
10
select count(*) from t1 where v like 'a%';
count(*)
11
select count(*) from t1 where v like 'a %';
count(*)
9
explain select count(*) from t1 where v='a ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 303 const # Using where; Using index
explain select count(*) from t1 where v like 'a%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range v v 303 NULL # Using where; Using index
explain select count(*) from t1 where v between 'a' and 'a ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 303 const # Using where; Using index
explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 303 const # Using where; Using index
explain select * from t1 where v='a';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 303 const # Using index condition
select v,count(*) from t1 group by v limit 10;
v count(*)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select v,count(t) from t1 group by v limit 10;
v count(t)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select sql_big_result v,count(t) from t1 group by v limit 10;
v count(t)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
alter table t1 drop key v, add key v (v(30));
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`v` varchar(300) DEFAULT NULL,
`c` char(10) DEFAULT NULL,
`t` text,
KEY `c` (`c`),
KEY `t` (`t`(10)),
KEY `v` (`v`(30))
) ENGINE=MyISAM DEFAULT CHARSET=latin1
select count(*) from t1 where v='a';
count(*)
10
select count(*) from t1 where v='a ';
count(*)
10
select count(*) from t1 where v between 'a' and 'a ';
count(*)
10
select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
count(*)
10
select count(*) from t1 where v like 'a%';
count(*)
11
select count(*) from t1 where v like 'a %';
count(*)
9
explain select count(*) from t1 where v='a ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 33 const # Using where
explain select count(*) from t1 where v like 'a%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range v v 33 NULL # Using where
explain select count(*) from t1 where v between 'a' and 'a ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 33 const # Using where
explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 33 const # Using where
explain select * from t1 where v='a';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 33 const # Using where
select v,count(*) from t1 group by v limit 10;
v count(*)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select v,count(t) from t1 group by v limit 10;
v count(t)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select sql_big_result v,count(t) from t1 group by v limit 10;
v count(t)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
alter table t1 modify v varchar(600), drop key v, add key v (v);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`v` varchar(600) DEFAULT NULL,
`c` char(10) DEFAULT NULL,
`t` text,
KEY `c` (`c`),
KEY `t` (`t`(10)),
KEY `v` (`v`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
select v,count(*) from t1 group by v limit 10;
v count(*)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select v,count(t) from t1 group by v limit 10;
v count(t)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
select sql_big_result v,count(t) from t1 group by v limit 10;
v count(t)
a 1
a 10
b 10
c 10
d 10
e 10
f 10
g 10
h 10
i 10
drop table t1;
create table t1 (a char(10), unique (a));
insert into t1 values ('a ');
insert into t1 values ('a ');
ERROR 23000: Duplicate entry 'a' for key 'a'
alter table t1 modify a varchar(10);
insert into t1 values ('a '),('a '),('a '),('a ');
ERROR 23000: Duplicate entry 'a ' for key 'a'
insert into t1 values ('a ');
ERROR 23000: Duplicate entry 'a ' for key 'a'
insert into t1 values ('a ');
ERROR 23000: Duplicate entry 'a ' for key 'a'
insert into t1 values ('a ');
ERROR 23000: Duplicate entry 'a ' for key 'a'
update t1 set a='a ' where a like 'a%';
select concat(a,'.') from t1;
concat(a,'.')
a .
update t1 set a='abc ' where a like 'a ';
select concat(a,'.') from t1;
concat(a,'.')
a .
update t1 set a='a ' where a like 'a %';
select concat(a,'.') from t1;
concat(a,'.')
a .
update t1 set a='a ' where a like 'a ';
select concat(a,'.') from t1;
concat(a,'.')
a .
drop table t1;
create table t1 (v varchar(10), c char(10), t text, key(v(5)), key(c(5)), key(t(5)));
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`v` varchar(10) DEFAULT NULL,
`c` char(10) DEFAULT NULL,
`t` text,
KEY `v` (`v`(5)),
KEY `c` (`c`(5)),
KEY `t` (`t`(5))
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 (v char(10) character set utf8);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`v` char(10) CHARACTER SET utf8 DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 (v varchar(10), c char(10)) row_format=fixed;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`v` varchar(10) DEFAULT NULL,
`c` char(10) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 ROW_FORMAT=FIXED
insert into t1 values('a','a'),('a ','a ');
select concat('*',v,'*',c,'*') from t1;
concat('*',v,'*',c,'*')
*a*a*
*a *a*
drop table t1;
create table t1 (v varchar(65530), key(v(10)));
insert into t1 values(repeat('a',65530));
select length(v) from t1 where v=repeat('a',65530);
length(v)
65530
drop table t1;
create table t1(a int, b varchar(12), key ba(b, a));
insert into t1 values (1, 'A'), (20, NULL);
explain select * from t1 where a=20 and b is null;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref ba ba 20 const,const 1 Using where; Using index
select * from t1 where a=20 and b is null;
a b
20 NULL
drop table t1;
#
#
drop database if exists world;
CREATE DATABASE world;
use world;
CREATE TABLE Country (
Code char(3) NOT NULL default '',
Name char(52) NOT NULL default '',
SurfaceArea float(10,2) NOT NULL default '0.00',
Population int(11) NOT NULL default '0',
Capital int(11) default NULL,
PRIMARY KEY (Code),
UNIQUE INDEX (Name)
);
CREATE TABLE City (
ID int(11) NOT NULL auto_increment,
Name char(35) NOT NULL default '',
Country char(3) NOT NULL default '',
Population int(11) NOT NULL default '0',
PRIMARY KEY (ID),
INDEX (Population),
INDEX (Country)
);
CREATE TABLE CountryLanguage (
Country char(3) NOT NULL default '',
Language char(30) NOT NULL default '',
Percentage float(3,1) NOT NULL default '0.0',
PRIMARY KEY (Country, Language),
INDEX (Percentage)
);
SELECT * FROM City
WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'F'))
AND (Population > 101000 AND Population < 102000);
ID Name Country Population
637 Mit Ghamr EGY 101801
707 Marbella ESP 101144
3792 Tartu EST 101246
4032 Cambridge USA 101355
explain
SELECT * FROM City
WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'F'))
AND (Population > 101000 AND Population < 102000);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population,Country Population 4 NULL # Using index condition; Using where; Rowid-ordered scan
explain
SELECT * FROM City
WHERE (Name < 'Ac' AND (Country > 'A' AND Country < 'B')) OR
(Name BETWEEN 'P' AND 'Pb' AND (Population > 101000 AND Population < 110000));
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City index_merge Population,Country Country,Population 3,4 NULL # Using sort_union(Country,Population); Using where
SELECT * FROM City
WHERE (Name < 'Ac' AND (Country > 'A' AND Country < 'B')) OR
(Name BETWEEN 'P' AND 'Pb' AND (Population > 101000 AND Population < 110000));
ID Name Country Population
65 Abu Dhabi ARE 398695
168 Pabna BGD 103277
189 Parakou BEN 103577
750 Paarl ZAF 105768
2865 Pak Pattan PAK 107800
SELECT * FROM City
WHERE Name LIKE 'M%' AND Population > 7000000;
ID Name Country Population
1024 Mumbai (Bombay) IND 10500000
3580 Moscow RUS 8389200
explain
SELECT * FROM City
WHERE Name LIKE 'M%' AND Population > 7000000;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population Population 4 NULL # Using index condition; Using where; Rowid-ordered scan
explain
SELECT * FROM City
WHERE Name BETWEEN 'G' AND 'K' AND Population > 500000 AND Country LIKE 'C%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population,Country # # NULL # Using index condition; Using where; Rowid-ordered scan
SELECT * FROM City
WHERE Name BETWEEN 'G' AND 'K' AND Population > 500000 AND Country LIKE 'C%';
ID Name Country Population
1895 Harbin CHN 4289800
1904 Jinan CHN 2278100
1905 Hangzhou CHN 2190500
1914 Guiyang CHN 1465200
1916 Hefei CHN 1369100
1923 Jilin CHN 1040000
1927 Hohhot CHN 916700
1928 Handan CHN 840000
1937 Huainan CHN 700000
1938 Jixi CHN 683885
1944 Jinzhou CHN 570000
1950 Hegang CHN 520000
explain
SELECT * FROM City
WHERE Name BETWEEN 'G' AND 'J' AND Population > 500000 AND Country LIKE 'C%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population,Country # # NULL # Using index condition; Using where; Rowid-ordered scan
SELECT * FROM City
WHERE Name BETWEEN 'G' AND 'J' AND Population > 500000 AND Country LIKE 'C%';
ID Name Country Population
1895 Harbin CHN 4289800
1905 Hangzhou CHN 2190500
1914 Guiyang CHN 1465200
1916 Hefei CHN 1369100
1927 Hohhot CHN 916700
1928 Handan CHN 840000
1937 Huainan CHN 700000
1950 Hegang CHN 520000
drop database world;
use test;
set @mrr_icp_extra_tmp=@@optimizer_switch;

32
mysql-test/r/myisam.result
View File

@ -329,7 +329,7 @@ ALTER TABLE t1 ADD INDEX t1 (a, b, c, d, e);
ERROR 42000: Specified key was too long; max key length is 1000 bytes
DROP TABLE t1;
CREATE TABLE t1 (a int not null, b int, c int, key(b), key(c), key(a,b), key(c,a));
INSERT into t1 values (0, null, 0), (0, null, 1), (0, null, 2), (0, null,3), (1,1,4);
INSERT into t1 values (0,null,0), (0,null,1), (0,null,2), (0,null,3), (1,1,4);
create table t2 (a int not null, b int, c int, key(b), key(c), key(a));
INSERT into t2 values (1,1,1), (2,2,2);
optimize table t1;
@ -355,10 +355,34 @@ explain select * from t1 force index(a),t2 force index(a) where t1.a=t2.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL a NULL NULL NULL 2
1 SIMPLE t1 ref a a 4 test.t2.a 3
INSERT into t1 values (2,4,5), (7,8,4), (8,3,1), (9,7,2), (5,5,9);
optimize table t1;
Table Op Msg_type Msg_text
test.t1 optimize status OK
show index from t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
t1 1 b 1 b A 10 NULL NULL YES BTREE
t1 1 c 1 c A 10 NULL NULL YES BTREE
t1 1 a 1 a A 10 NULL NULL BTREE
t1 1 a 2 b A 10 NULL NULL YES BTREE
t1 1 c_2 1 c A 10 NULL NULL YES BTREE
t1 1 c_2 2 a A 10 NULL NULL BTREE
explain select * from t1,t2 where t1.b=t2.b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL b NULL NULL NULL 2 Using where
1 SIMPLE t1 ref b b 5 test.t2.b 1
delete from t1 where t1.a>1;
optimize table t1;
Table Op Msg_type Msg_text
test.t1 optimize status OK
show index from t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
t1 1 b 1 b A 5 NULL NULL YES BTREE
t1 1 c 1 c A 5 NULL NULL YES BTREE
t1 1 a 1 a A 1 NULL NULL BTREE
t1 1 a 2 b A 5 NULL NULL YES BTREE
t1 1 c_2 1 c A 5 NULL NULL YES BTREE
t1 1 c_2 2 a A 5 NULL NULL BTREE
explain select * from t1,t2 force index(c) where t1.a=t2.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL 2
@ -368,7 +392,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL a NULL NULL NULL 5 Using where
explain select * from t1 force index (a) where a=0 or a=2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 4 NULL 4 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range a a 4 NULL 4 Using where
explain select * from t1 where c=1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref c,c_2 c 5 const 1
@ -1230,7 +1254,7 @@ qq
*a *a*a *
explain select * from t1 where v='a';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v,v_2 # 13 const # Using index condition
1 SIMPLE t1 ref v,v_2 # 13 const # Using where
select v,count(*) from t1 group by v limit 10;
v count(*)
a 1
@ -1406,7 +1430,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 303 const # Using where; Using index
explain select * from t1 where v='a';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref v v 303 const # Using index condition
1 SIMPLE t1 ref v v 303 const # Using where
select v,count(*) from t1 group by v limit 10;
v count(*)
a 1

574
mysql-test/r/myisam_icp.result
View File

@ -1,3 +1,5 @@
set @myisam_icp_tmp=@@optimizer_switch;
set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
#
# Bug#36981 - "innodb crash when selecting for update"
#
@ -79,6 +81,150 @@ c1 c2 c3 c4
DROP TABLE t1;
#
# Bug#43617 - Innodb returns wrong results with timestamp's range value
# in IN clause
# (Note: Fixed by patch for BUG#42580)
#
CREATE TABLE t1(
c1 TIMESTAMP NOT NULL,
c2 TIMESTAMP NULL,
c3 DATE,
c4 DATETIME,
PRIMARY KEY(c1),
UNIQUE INDEX(c2)
);
INSERT INTO t1 VALUES
('0000-00-00 00:00:00','0000-00-00 00:00:00','2008-01-04','2008-01-05 00:00:00'),
('1971-01-01 00:00:01','1980-01-01 00:00:01','2009-01-01','2009-01-02 00:00:00'),
('1999-01-01 00:00:00','1999-01-01 00:00:00', NULL, NULL),
('2007-05-23 09:15:28','2007-05-23 09:15:28','2007-05-24','2007-05-24 09:15:28'),
('2007-05-27 00:00:00','2007-05-25 00:00:00','2007-05-26','2007-05-26 00:00:00'),
('2008-01-01 00:00:00', NULL, '2008-01-02','2008-01-03 00:00:00'),
('2009-01-29 11:11:27','2009-01-29 11:11:27','2009-01-29','2009-01-29 11:11:27'),
('2038-01-09 03:14:07','2038-01-09 03:14:07','2009-01-05','2009-01-06 00:00:00');
SELECT *
FROM t1
WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07')
ORDER BY c2;
c1 c2 c3 c4
2038-01-09 03:14:07 2038-01-09 03:14:07 2009-01-05 2009-01-06 00:00:00
SELECT *
FROM t1
WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07')
ORDER BY c2 LIMIT 2;
c1 c2 c3 c4
2038-01-09 03:14:07 2038-01-09 03:14:07 2009-01-05 2009-01-06 00:00:00
SELECT *
FROM t1
WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07')
ORDER BY c2 DESC;
c1 c2 c3 c4
2038-01-09 03:14:07 2038-01-09 03:14:07 2009-01-05 2009-01-06 00:00:00
SELECT *
FROM t1
WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07')
ORDER BY c2 DESC LIMIT 2;
c1 c2 c3 c4
2038-01-09 03:14:07 2038-01-09 03:14:07 2009-01-05 2009-01-06 00:00:00
DROP TABLE t1;
#
# BUG#43618: MyISAM&Maria returns wrong results with 'between'
# on timestamp
#
CREATE TABLE t1(
ts TIMESTAMP NOT NULL,
c char NULL,
PRIMARY KEY(ts)
);
INSERT INTO t1 VALUES
('1971-01-01','a'),
('2007-05-25','b'),
('2008-01-01','c'),
('2038-01-09','d');
# Execute select with invalid timestamp, desc ordering
SELECT *
FROM t1
WHERE ts BETWEEN '0000-00-00' AND '2010-00-01 00:00:00'
ORDER BY ts DESC
LIMIT 2;
ts c
2008-01-01 00:00:00 c
2007-05-25 00:00:00 b
# Should use index condition
EXPLAIN
SELECT *
FROM t1
WHERE ts BETWEEN '0000-00-00' AND '2010-00-01 00:00:00'
ORDER BY ts DESC
LIMIT 2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 4 Using index condition
DROP TABLE t1;
#
# BUG#49906: Assertion failed - Field_varstring::val_str in field.cc
# (Note: Fixed by patch for LP BUG#625841)
#
CREATE TABLE t1 (
f1 VARCHAR(1024),
f2 VARCHAR(10),
INDEX test_idx USING BTREE (f2,f1(5))
);
INSERT INTO t1 VALUES ('a','c'), ('b','d');
SELECT f1
FROM t1
WHERE f2 LIKE 'd'
ORDER BY f1;
f1
b
DROP TABLE t1;
#
# Bug#52660 - "Perf. regr. using ICP for MyISAM on range queries on
# an index containing TEXT"
#
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
CREATE TABLE t2 (a INT);
INSERT INTO t2 SELECT A.a + 10*(B.a) FROM t1 A, t1 B;
CREATE TABLE t3 (
c1 TINYTEXT NOT NULL,
i1 INT NOT NULL,
KEY (c1(6),i1)
);
INSERT INTO t3 SELECT CONCAT('c-',1000+t2.a,'=w'), 1 FROM t2;
EXPLAIN
SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t3 range c1 c1 8 NULL 3 Using where
SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w';
c1
c-1004=w
c-1005=w
c-1006=w
EXPLAIN
SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w' and i1 > 2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t3 range c1 c1 12 NULL 2 Using index condition; Using where
SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w' and i1 > 2;
c1
EXPLAIN
SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w' or i1 > 2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t3 ALL c1 NULL NULL NULL 100 Using where
SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w' or i1 > 2;
c1
c-1004=w
c-1005=w
c-1006=w
DROP TABLE t1, t2, t3;
#
# Bug#40992 - InnoDB: Crash when engine_condition_pushdown is on
#
CREATE TABLE t (
@ -198,4 +344,432 @@ COUNT(*)
12
DROP PROCEDURE insert_data;
DROP TABLE t1, t2, t3;
#
# Bug#57372 "Multi-table updates and deletes fail when running with ICP
# against InnoDB"
#
CREATE TABLE t1 (
a INT KEY,
b INT
);
CREATE TABLE t2 (
a INT KEY,
b INT
);
INSERT INTO t1 VALUES (1, 101), (2, 102), (3, 103), (4, 104), (5, 105);
INSERT INTO t2 VALUES (1, 1), (2, 2), (3, 3), (4, 4), (5, 5);
UPDATE t1, t2
SET t1.a = t1.a + 100, t2.b = t1.a + 10
WHERE t1.a BETWEEN 2 AND 4 AND t2.a = t1.b - 100;
SELECT * FROM t1;
a b
1 101
102 102
103 103
104 104
5 105
SELECT * FROM t2;
a b
1 1
2 12
3 13
4 14
5 5
DROP TABLE t1, t2;
#
# Bug#52605 - "Adding LIMIT 1 clause to query with complex range
# predicate causes wrong results"
#
CREATE TABLE t1 (
pk INT NOT NULL,
c1 INT,
PRIMARY KEY (pk),
KEY k1 (c1)
);
INSERT INTO t1 VALUES (1,NULL);
INSERT INTO t1 VALUES (2,6);
INSERT INTO t1 VALUES (3,NULL);
INSERT INTO t1 VALUES (4,6);
INSERT INTO t1 VALUES (5,NULL);
INSERT INTO t1 VALUES (6,NULL);
INSERT INTO t1 VALUES (7,9);
INSERT INTO t1 VALUES (8,0);
SELECT pk, c1
FROM t1
WHERE (pk BETWEEN 4 AND 5 OR pk < 2) AND c1 < 240
ORDER BY c1
LIMIT 1;
pk c1
4 6
EXPLAIN SELECT pk, c1
FROM t1
WHERE (pk BETWEEN 4 AND 5 OR pk < 2) AND c1 < 240
ORDER BY c1
LIMIT 1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY,k1 k1 5 NULL 4 Using where
DROP TABLE t1;
#
# Bug#59259 "Incorrect rows returned for a correlated subquery
# when ICP is on"
#
CREATE TABLE t1 (pk INTEGER PRIMARY KEY, i INTEGER NOT NULL) ENGINE=InnoDB;
Warnings:
Warning 1286 Unknown table engine 'InnoDB'
Warning 1266 Using storage engine MyISAM for table 't1'
INSERT INTO t1 VALUES (11,0);
INSERT INTO t1 VALUES (12,5);
INSERT INTO t1 VALUES (15,0);
CREATE TABLE t2 (pk INTEGER PRIMARY KEY, i INTEGER NOT NULL) ENGINE=InnoDB;
Warnings:
Warning 1286 Unknown table engine 'InnoDB'
Warning 1266 Using storage engine MyISAM for table 't2'
INSERT INTO t2 VALUES (11,1);
INSERT INTO t2 VALUES (12,2);
INSERT INTO t2 VALUES (15,4);
set @save_optimizer_switch= @@optimizer_switch;
set optimizer_switch='semijoin=off';
EXPLAIN
SELECT * FROM t1
WHERE pk IN (SELECT it.pk FROM t2 JOIN t2 AS it ON it.i=it.i WHERE it.pk-t1.i<10);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 Using where
2 DEPENDENT SUBQUERY t2 index NULL PRIMARY 4 NULL 3 Using index
2 DEPENDENT SUBQUERY it eq_ref PRIMARY PRIMARY 4 func 1 Using index condition
SELECT * FROM t1
WHERE pk IN (SELECT it.pk FROM t2 JOIN t2 AS it ON it.i=it.i WHERE it.pk-t1.i<10);
pk i
12 5
set optimizer_switch=@save_optimizer_switch;
DROP TABLE t1, t2;
#
# Bug #58816 "Extra temporary duplicate rows in result set when
# switching ICP off"
#
set @save_optimizer_switch= @@optimizer_switch;
CREATE TABLE t1 (
pk INT NOT NULL,
c1 INT NOT NULL,
PRIMARY KEY (pk)
);
INSERT INTO t1 VALUES (1,9),(2,7),(3,6),(4,3),(5,1);
EXPLAIN SELECT pk, c1 FROM t1 WHERE pk <> 3;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 5 Using where
SET SESSION optimizer_switch='index_condition_pushdown=off';
SELECT pk, c1 FROM t1 WHERE pk <> 3;
pk c1
1 9
2 7
4 3
5 1
DROP TABLE t1;
set optimizer_switch= @save_optimizer_switch;
#
# Bug#58837: ICP crash or valgrind error due to uninitialized
# value in innobase_index_cond
#
CREATE TABLE t1 (
t1_int INT,
t1_time TIME
);
CREATE TABLE t2 (
t2_int int PRIMARY KEY,
t2_int2 INT
);
INSERT INTO t2 VALUES ();
INSERT INTO t1 VALUES ();
SELECT * FROM t1 AS t1a
WHERE NOT EXISTS (SELECT * FROM t1 AS t1b
WHERE t1b.t1_int NOT IN
(SELECT t2.t2_int FROM t2
WHERE t1b.t1_time LIKE t1b.t1_int
OR t1b.t1_time <> t2.t2_int2
AND 6=7));
t1_int t1_time
DROP TABLE t1,t2;
#
# Bug#59186: Wrong results of join when ICP is enabled
# (fixed by the patch for LP bug #694092)
#
CREATE TABLE t1 (
pk INTEGER NOT NULL,
c1 VARCHAR(3) NOT NULL,
PRIMARY KEY (pk)
);
INSERT INTO t1 VALUES (1,'y'),(0,'or');
CREATE TABLE t2 (
pk INTEGER NOT NULL,
c1 VARCHAR(3) NOT NULL,
c2 VARCHAR(6) NOT NULL,
PRIMARY KEY (pk)
);
INSERT INTO t2 VALUES (6,'y','RPOYT'),(10,'m','JINQE');
EXPLAIN
SELECT c2 FROM t1 JOIN t2 ON t1.c1 = t2.c1
WHERE (t2.pk <= 4 AND t1.pk IN (2,1)) OR
(t1.pk > 1 AND t2.pk BETWEEN 6 AND 6);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 2 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t2 range PRIMARY PRIMARY 4 NULL 2 Using index condition; Using where; Rowid-ordered scan; Using join buffer (flat, BNL join)
SELECT c2 FROM t1 JOIN t2 ON t1.c1 = t2.c1
WHERE (t2.pk <= 4 AND t1.pk IN (2,1)) OR
(t1.pk > 1 AND t2.pk BETWEEN 6 AND 6);
c2
DROP TABLE t1, t2;
#
# Bug#58838: "Wrong results with HAVING + LIMIT without GROUP BY when
# ICP is enabled".
# (Fixed by the patches for LP bugs #668644, #702322)
#
CREATE TABLE t1 (
pk INT NOT NULL,
c1 INT,
PRIMARY KEY (pk),
KEY col_int_key (c1)
);
INSERT INTO t1 VALUES (1,37),(2,8),(3,-25),(4,NULL),(5,55);
SELECT pk FROM t1 WHERE c1 <> 1 HAVING pk = 3 ORDER BY pk LIMIT 0;
pk
SELECT pk FROM t1 WHERE c1 <> 1 HAVING pk = 3 ORDER BY pk LIMIT 1;
pk
3
SELECT pk FROM t1 WHERE c1 <> 1 HAVING pk = 3 ORDER BY pk LIMIT 2;
pk
3
SELECT pk FROM t1 WHERE c1 <> 1 HAVING pk = 3 ORDER BY pk LIMIT 5;
pk
3
DROP TABLE t1;
#
# Bug#59483 "Crash on INSERT/REPLACE in
# rec_convert_dtuple_to_rec_comp with ICP on"
#
CREATE TABLE t1 (
pk INTEGER AUTO_INCREMENT PRIMARY KEY,
i1 INTEGER,
c1 CHAR(6),
i2 INTEGER NOT NULL,
KEY (i2)
);
INSERT INTO t1 VALUES
(NULL, 4, 'that', 8),
(NULL, 1, 'she', 6),
(NULL, 6, 'tell', 2);
SELECT * FROM t1 WHERE i2 IN (3, 6) LIMIT 2 FOR UPDATE;
pk i1 c1 i2
2 1 she 6
INSERT INTO t1 (i2) VALUES (1);
DROP TABLE t1;
#
# Bug #11766678 - 59843:
# USING UNINITIALISED VALUE IN USES_INDEX_FIELDS_ONLY
#
CREATE TABLE t1 (
col999 FLOAT NOT NULL,
COL1000 VARBINARY(179) NOT NULL,
col1003 DATE DEFAULT NULL,
KEY idx4267 (col1000, col1003)
);
INSERT INTO t1 VALUES (),();
Warnings:
Warning 1364 Field 'col999' doesn't have a default value
Warning 1364 Field 'COL1000' doesn't have a default value
SELECT col999 FROM t1 WHERE col1000 = "3" AND col1003 <=> sysdate();
col999
DROP TABLE t1;
#
# BUG#12822678 - ICP WITH STRAIGHT_JOIN
#
CREATE TABLE t1 (
i1 INTEGER NOT NULL,
d1 DOUBLE,
KEY k1 (d1)
);
INSERT INTO t1 VALUES (10,1), (17,NULL), (22,NULL);
CREATE TABLE t2 (
pk INTEGER NOT NULL,
i1 INTEGER NOT NULL,
PRIMARY KEY (pk)
);
INSERT INTO t2 VALUES (4,1);
EXPLAIN
SELECT t1.d1, t2.pk, t2.i1 FROM t1 STRAIGHT_JOIN t2 ON t2.i1
WHERE t2.pk <> t1.d1 AND t2.pk = 4;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL k1 9 NULL 3 Using index
1 SIMPLE t2 const PRIMARY PRIMARY 4 const 1 Using where
SELECT t1.d1, t2.pk, t2.i1 FROM t1 STRAIGHT_JOIN t2 ON t2.i1
WHERE t2.pk <> t1.d1 AND t2.pk = 4;
d1 pk i1
1 4 1
DROP TABLE t1, t2;
#
# BUG#778434 Wrong result with in_to_exists=on in maria-5.3-mwl89
#
CREATE TABLE t1 ( f11 int) ;
INSERT IGNORE INTO t1 VALUES (0);
CREATE TABLE t2 ( f10 int) ;
INSERT IGNORE INTO t2 VALUES (0);
CREATE TABLE t3 ( f1 int NOT NULL , f10 int, PRIMARY KEY (f1)) ;
INSERT IGNORE INTO t3 VALUES (6,0),(10,0);
CREATE TABLE t4 ( f11 int) ;
INSERT IGNORE INTO t4 VALUES
(0),(0),(0),(0),(0),(0),(0),(0),(0),(0),(NULL),
(0),(0),(0),(0),(0),(0),(0),(0),(0),(0);
set @tmp_778434=@@optimizer_switch;
SET optimizer_switch='materialization=off,in_to_exists=on,subquery_cache=off,semijoin=off';
SELECT * FROM t1 INNER JOIN t2 ON t2.f10 = t1.f11
WHERE (6, 234) IN (
SELECT t3.f1, t3.f1
FROM t3 JOIN t4 ON t4.f11 = t3.f10
);
f11 f10
DROP TABLE t1,t2,t3,t4;
set optimizer_switch= @tmp_778434;
#
# Bug#885168: ICP for one index + potential ORDER BY for another
#
CREATE TABLE t1 (a varchar(64), b varchar(10), INDEX(a), INDEX(b)) ;
INSERT INTO t1 VALUES
('Ohio','Iowa'), ('k','d'), ('bdkpj','mbdkpjdanp'), ('d','xdmbdkpjda'),
('fkxdmbdkpjdanpje','o'), ('f','Pennsylvan'), ('Virginia','ei');
SET SESSION optimizer_switch='index_condition_pushdown=off';
EXPLAIN
SELECT * FROM t1
WHERE NOT(b = 'Texas') AND b BETWEEN 'wy' AND 'y' OR b = 'Pennsylvania'
ORDER BY a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range b b 13 NULL 2 Using where; Rowid-ordered scan; Using filesort
SELECT * FROM t1
WHERE NOT(b = 'Texas') AND b BETWEEN 'wy' AND 'y' OR b = 'Pennsylvania'
ORDER BY a;
a b
d xdmbdkpjda
SET SESSION optimizer_switch='index_condition_pushdown=on';
EXPLAIN
SELECT * FROM t1
WHERE NOT(b = 'Texas') AND b BETWEEN 'wy' AND 'y' OR b = 'Pennsylvania'
ORDER BY a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range b b 13 NULL 2 Using index condition; Using where; Rowid-ordered scan; Using filesort
SELECT * FROM t1
WHERE NOT(b = 'Texas') AND b BETWEEN 'wy' AND 'y' OR b = 'Pennsylvania'
ORDER BY a;
a b
d xdmbdkpjda
DROP TABLE t1;
#
# Bug#886145: join with ICP + ORDER BY
#
CREATE TABLE t1 (b int NOT NULL, c int, a varchar(1024), PRIMARY KEY (b));
INSERT INTO t1 VALUES (1,4,'Ill');
CREATE TABLE t2 (a varchar(1024), KEY (a(512)));
INSERT INTO t2 VALUES
('Ill'), ('eckqzsflbzaffti'), ('w'), ('she'), ('gxbwypqtjzwywwer'), ('w');
SET SESSION optimizer_switch='index_condition_pushdown=off';
EXPLAIN
SELECT t1.b, t1.c FROM t1, t2 WHERE t1.a = t2.a AND t1.b != 0
HAVING t1.c != 5 ORDER BY t1.c;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 system PRIMARY NULL NULL NULL 1
1 SIMPLE t2 ref a a 515 const 1 Using where
SELECT t1.b, t1.c FROM t1, t2 WHERE t1.a = t2.a AND t1.b != 0
HAVING t1.c != 5 ORDER BY t1.c;
b c
1 4
SET SESSION optimizer_switch='index_condition_pushdown=on';
EXPLAIN
SELECT t1.b, t1.c FROM t1, t2 WHERE t1.a = t2.a AND t1.b != 0
HAVING t1.c != 5 ORDER BY t1.c;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 system PRIMARY NULL NULL NULL 1
1 SIMPLE t2 ref a a 515 const 1 Using where
SELECT t1.b, t1.c FROM t1, t2 WHERE t1.a = t2.a AND t1.b != 0
HAVING t1.c != 5 ORDER BY t1.c;
b c
1 4
DROP TABLE t1,t2;
#
# Bug#879871: InnoDB: possible ICP + GROUP BY primary index
#
CREATE TABLE t1 (
a int NOT NULL, b int, c varchar(1), d varchar(1),
PRIMARY KEY (a), KEY c (c,b)
);
INSERT INTO t1 VALUES (10,8,'g','g');
SET SESSION optimizer_switch='index_condition_pushdown=off';
SELECT a FROM t1 WHERE c IS NULL AND d IS NOT NULL GROUP BY 1;
a
SET SESSION optimizer_switch='index_condition_pushdown=on';
SELECT a FROM t1 WHERE c IS NULL AND d IS NOT NULL GROUP BY 1;
a
DROP TABLE t1;
drop table if exists t0, t1, t1i, t1m;
#
# BUG#826935 Assertion `!table || (!table->read_set || bitmap_is_set(table->read_set, field_index))' failed
#
CREATE TABLE t1 ( a int, b varchar(1024), c int, KEY (c), KEY (c,a)) ;
INSERT INTO t1 VALUES
(NULL,'x','-678428672'),
(NULL,'ok',NULL),
(796262400,'byluovkgwoukfxedyeffsedajyqkyhpaqqpozn', NULL),
(7,'STQUF',146014208),
(955711488,'WWVOR','-1515388928');
SELECT b FROM t1 WHERE a != 1 AND c IS NULL ORDER BY 1;
b
byluovkgwoukfxedyeffsedajyqkyhpaqqpozn
DROP TABLE t1;
#
# Bug#870046: ICP for a GROUP BY query
#
CREATE TABLE t1 (a int, b varchar(1), c varchar(1), INDEX idx(b));
INSERT INTO t1 VALUES (2,'x','x'), (5,'x','y');
SET SESSION optimizer_switch='index_condition_pushdown=off';
EXPLAIN
SELECT a, MIN(c) FROM t1 WHERE b = 'x' AND c > 'x' GROUP BY a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref idx idx 4 const 1 Using where; Using temporary; Using filesort
SELECT a, MIN(c) FROM t1 WHERE b = 'x' AND c > 'x' GROUP BY a;
a MIN(c)
5 y
SET SESSION optimizer_switch='index_condition_pushdown=on';
EXPLAIN
SELECT a, MIN(c) FROM t1 WHERE b = 'x' AND c > 'x' GROUP BY a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref idx idx 4 const 1 Using index condition; Using where; Using temporary; Using filesort
SELECT a, MIN(c) FROM t1 WHERE b = 'x' AND c > 'x' GROUP BY a;
a MIN(c)
5 y
DROP TABLE t1;
#
# BUG#887026: Wrong result with ICP, outer join, subquery in maria-5.3-icp
#
CREATE TABLE t1 (c varchar(1));
INSERT INTO t1 VALUES ('c'), ('c');
CREATE TABLE t2 (c varchar(1), b int);
INSERT INTO t2 VALUES ('d', NULL),('d', NULL);
CREATE TABLE t3 (c varchar(1));
INSERT INTO t3 VALUES ('c');
INSERT INTO t3 VALUES ('c');
CREATE TABLE t4 ( b int, c varchar(1), KEY (b));
INSERT INTO t4 VALUES (7,'c');
INSERT INTO t4 VALUES (7,'c');
# Must be t1,t2,t3,t4, with t4 having Full-scan-on-NULL but not Using index condition
explain
SELECT * FROM t1 LEFT JOIN t2 ON t1.c=t2.b
WHERE
t2.b NOT IN (SELECT t4.b FROM t3 STRAIGHT_JOIN t4 WHERE t4.b <= 2 AND t4.c = t3.c);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2
2 DEPENDENT SUBQUERY t4 ref_or_null b b 5 func 2 Using where; Full scan on NULL key
SELECT * FROM t1 LEFT JOIN t2 ON t1.c=t2.b
WHERE
t2.b NOT IN (SELECT t4.b FROM t3 STRAIGHT_JOIN t4 WHERE t4.b <= 2 AND t4.c = t3.c);
c c b
c NULL NULL
c NULL NULL
DROP TABLE t1,t2,t3,t4;
set optimizer_switch=@myisam_icp_tmp;

66
mysql-test/r/myisam_mrr.result
View File

@ -1,4 +1,6 @@
drop table if exists t0, t1, t2, t3;
set @myisam_mrr_tmp=@@optimizer_switch;
set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
set @mrr_buffer_size_save= @@mrr_buffer_size;
set mrr_buffer_size=79;
Warnings:
@ -186,7 +188,7 @@ explain
select * from t4 where a IS NULL and b IS NULL and (c IS NULL or c='no-such-row1'
or c='no-such-row2');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t4 range idx1 idx1 29 NULL 10 Using index condition; Rowid-ordered scan
1 SIMPLE t4 range idx1 idx1 29 NULL 10 Using index condition; Using where; Rowid-ordered scan
select * from t4 where a IS NULL and b IS NULL and (c IS NULL or c='no-such-row1'
or c='no-such-row2');
a b c filler
@ -208,7 +210,7 @@ NULL NULL NULL NULL-1
explain
select * from t4 where (a ='b-1' or a='bb-1') and b IS NULL and (c='c-1' or c='cc-2');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t4 range idx1 idx1 29 NULL 21 Using index condition; Rowid-ordered scan
1 SIMPLE t4 range idx1 idx1 29 NULL 21 Using index condition; Using where; Rowid-ordered scan
select * from t4 where (a ='b-1' or a='bb-1') and b IS NULL and (c='c-1' or c='cc-2');
a b c filler
b-1 NULL c-1 NULL-15
@ -347,10 +349,10 @@ WHERE t2.int_key IS NULL
GROUP BY t2.pk
);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00
2 SUBQUERY t2 ref int_key int_key 5 const 1 100.00 Using index condition; Using where; Using filesort
Warnings:
Note 1003 select min(`test`.`t1`.`pk`) AS `MIN(t1.pk)` from `test`.`t1` where exists(select `test`.`t2`.`pk` from `test`.`t2` where isnull(`test`.`t2`.`int_key`) group by `test`.`t2`.`pk`)
Note 1003 select min(1) AS `MIN(t1.pk)` from `test`.`t1` where exists(select `test`.`t2`.`pk` from `test`.`t2` where isnull(`test`.`t2`.`int_key`) group by `test`.`t2`.`pk`)
DROP TABLE t1, t2;
#
# BUG#42048 Discrepancy between MyISAM and Maria's ICP implementation
@ -363,7 +365,7 @@ update t1 set b=repeat(char(65+a), 20) where a < 25;
This must show range + using index condition:
explain select * from t1 where a < 10 and b = repeat(char(65+a), 20);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 5 NULL 19 Using where
1 SIMPLE t1 range a a 5 NULL 19 Using index condition; Using where
select * from t1 where a < 10 and b = repeat(char(65+a), 20);
a b filler
0 AAAAAAAAAAAAAAAAAAAA filler
@ -486,6 +488,14 @@ INSERT INTO t1 VALUES
(22,142,'b','b'),(23,3,'y','y'),(24,0,'v','v'),
(25,3,'m','m'),(26,5,'z','z'),(27,9,'n','n'),
(28,1,'d','d'),(29,107,'a','a');
INSERT INTO t1 VALUES
(110,8,'v','v'),(111,8,'f','f'), (112,5,'v','v'),
(113,8,'s','s'),(114,8,'a','a'),(115,6,'p','p'),
(116,7,'z','z'),(117,2,'a','a'),(118,5,'h','h'),
(119,7,'h','h'),(120,2,'v','v'),(121,9,'v','v'),
(122,142,'b','b'),(123,3,'y','y'),(124,0,'v','v'),
(125,3,'m','m'),(126,5,'z','z'),(127,9,'n','n'),
(128,1,'d','d'),(129,107,'a','a');
SELECT COUNT(*)
FROM
t1 AS table2, t1 AS table3
@ -494,7 +504,7 @@ table3.col_varchar_key = table2.col_varchar_key AND
table3.col_varchar_key = table2.col_varchar_nokey AND
table3.pk<>0;
COUNT(*)
50
200
EXPLAIN SELECT COUNT(*)
FROM
t1 AS table2, t1 AS table3
@ -503,8 +513,48 @@ table3.col_varchar_key = table2.col_varchar_key AND
table3.col_varchar_key = table2.col_varchar_nokey AND
table3.pk<>0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE table2 ALL col_varchar_key NULL NULL NULL 20 Using where
1 SIMPLE table3 ref PRIMARY,col_varchar_key col_varchar_key 3 test.table2.col_varchar_key 3 Using where; Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
1 SIMPLE table2 ALL col_varchar_key NULL NULL NULL 40 Using where
1 SIMPLE table3 ref PRIMARY,col_varchar_key col_varchar_key 3 test.table2.col_varchar_key 5 Using where; Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
set join_cache_level= @save_join_cache_level;
set join_buffer_size= @save_join_buffer_size;
drop table t1;
#
# BUG#730133: Wrong result with jkl = 7, BKA, ICP in maria-5.3 + compound index
#
set @tmp_730133_jcl= @@join_cache_level;
set join_cache_level = 7;
set @tmp_730133_os= @@optimizer_switch;
set optimizer_switch= 'join_cache_hashed=off,join_cache_bka=on,index_condition_pushdown=on,optimize_join_buffer_size=on';
CREATE TABLE t1 (f1 int, f2 int, f3 int, f4 int, f5 int, KEY (f4,f3));
INSERT IGNORE INTO t1 VALUES ('2','9','5','0','0'),('4','7','0','0','0'),
('6','97','190','0','0'),('7','3','6','0','0'),('11','101','186','0','0'),
('14','194','226','0','0'),('15','148','133','0','0'),
('16','9','6','0','0'),('17','9','3','0','0'),('18','1','8','0','0'),
('19','1','5','0','0'),('20','5','7','0','0');
explain
SELECT COUNT(alias2.f2)
FROM
t1 STRAIGHT_JOIN
t1 AS alias3 STRAIGHT_JOIN
t1 AS alias2 FORCE KEY (f4)
WHERE
alias2.f4=alias3.f5 AND
alias2.f3 > alias3.f1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL f4 10 NULL 12 Using index
1 SIMPLE alias3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join)
1 SIMPLE alias2 ref f4 f4 5 test.alias3.f5 2 Using index condition(BKA); Using join buffer (incremental, BKA join); Key-ordered Rowid-ordered scan
SELECT COUNT(alias2.f2)
FROM
t1 STRAIGHT_JOIN
t1 AS alias3 STRAIGHT_JOIN
t1 AS alias2 FORCE KEY (f4)
WHERE
alias2.f4=alias3.f5 AND
alias2.f3 > alias3.f1;
COUNT(alias2.f2)
768
set @@join_cache_level= @tmp_730133_jcl;
set @@optimizer_switch= @tmp_730133_os;
drop table t1;
set optimizer_switch= @myisam_mrr_tmp;

10
mysql-test/r/mysql.result
View File

@ -1,4 +1,4 @@
drop table if exists t1;
drop table if exists t1,t2,t3;
create table t1(a int);
insert into t1 values(1);
ERROR at line 9: DELIMITER must be followed by a 'delimiter' character or string
@ -137,6 +137,14 @@ drop table t1;
1
ERROR 1064 (42000) at line 3: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
ERROR at line 1: USE must be followed by a database name
1 +1
2
1 +1
2
1 +1
2
1 +1
2
\
\\
';

84
mysql-test/r/mysqldump.result
View File

@ -1722,6 +1722,90 @@ insert into t2 (a, b) values (NULL, NULL),(10, NULL),(NULL, "twenty"),(30, "thir
</table_data>
</database>
</mysqldump>
/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8 */;
/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */;
/*!40103 SET TIME_ZONE='+00:00' */;
/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
LOCK TABLES `t1` WRITE;
/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
INSERT INTO `t1` VALUES (NULL),(10),(20);
/*!40000 ALTER TABLE `t1` ENABLE KEYS */;
UNLOCK TABLES;
LOCK TABLES `t2` WRITE;
/*!40000 ALTER TABLE `t2` DISABLE KEYS */;
INSERT INTO `t2` VALUES (1,NULL,NULL,NULL,NULL,NULL),(2,10,NULL,NULL,NULL,NULL),(3,NULL,'twenty',NULL,NULL,NULL),(4,30,'thirty',NULL,NULL,NULL);
/*!40000 ALTER TABLE `t2` ENABLE KEYS */;
UNLOCK TABLES;
/*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;
/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;
/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8 */;
/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */;
/*!40103 SET TIME_ZONE='+00:00' */;
/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
DROP TABLE IF EXISTS `t1`;
/*!40101 SET @saved_cs_client = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `t1` (
`a` int(10) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
/*!40101 SET character_set_client = @saved_cs_client */;
LOCK TABLES `t1` WRITE;
/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
INSERT INTO `t1` VALUES (NULL),(10),(20);
/*!40000 ALTER TABLE `t1` ENABLE KEYS */;
UNLOCK TABLES;
DROP TABLE IF EXISTS `t2`;
/*!40101 SET @saved_cs_client = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `t2` (
`pk` int(11) NOT NULL AUTO_INCREMENT,
`a` int(10) DEFAULT NULL,
`b` varchar(30) DEFAULT NULL,
`c` datetime DEFAULT NULL,
`d` blob,
`e` text,
PRIMARY KEY (`pk`)
) ENGINE=MyISAM AUTO_INCREMENT=5 DEFAULT CHARSET=latin1;
/*!40101 SET character_set_client = @saved_cs_client */;
LOCK TABLES `t2` WRITE;
/*!40000 ALTER TABLE `t2` DISABLE KEYS */;
INSERT INTO `t2` VALUES (1,NULL,NULL,NULL,NULL,NULL),(2,10,NULL,NULL,NULL,NULL),(3,NULL,'twenty',NULL,NULL,NULL),(4,30,'thirty',NULL,NULL,NULL);
/*!40000 ALTER TABLE `t2` ENABLE KEYS */;
UNLOCK TABLES;
/*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;
/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;
drop table t1, t2;
#
# Bug#12123 mysqldump --tab results in text file which can't be imported

121
mysql-test/r/negation_elimination.result
View File

@ -4,7 +4,7 @@ insert into t1 values (NULL), (0), (1), (2), (3), (4), (5), (6), (7), (8), (9),
(10), (11), (12), (13), (14), (15), (16), (17), (18), (19);
explain select * from t1 where not(not(a));
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL a 5 NULL 21 Using where; Using index
1 SIMPLE t1 range a a 5 NULL 20 Using where; Using index
select * from t1 where not(not(a));
a
1
@ -375,6 +375,121 @@ a
13
14
15
# XOR (Note: XOR is negated by negating one of the operands)
# Should return 6,7
SELECT * FROM t1 WHERE ((a > 5) XOR (a > 7));
a
6
7
# Should return 0..5,8..19
SELECT * FROM t1 WHERE ((NOT (a > 5)) XOR (a > 7));
a
0
1
2
3
4
5
8
9
10
11
12
13
14
15
16
17
18
19
SELECT * FROM t1 WHERE ((a > 5) XOR (NOT (a > 7)));
a
0
1
2
3
4
5
8
9
10
11
12
13
14
15
16
17
18
19
SELECT * FROM t1 WHERE NOT ((a > 5) XOR (a > 7));
a
0
1
2
3
4
5
8
9
10
11
12
13
14
15
16
17
18
19
# Should return 6,7
SELECT * FROM t1 WHERE NOT ((NOT (a > 5)) XOR (a > 7));
a
6
7
SELECT * FROM t1 WHERE NOT ((a > 5) XOR (NOT (a > 7)));
a
6
7
# Should return 0..5,8..19
SELECT * FROM t1 WHERE NOT ((NOT (a > 5)) XOR (NOT (a > 7)));
a
0
1
2
3
4
5
8
9
10
11
12
13
14
15
16
17
18
19
# Should have empty result
SELECT * FROM t1 WHERE (NULL XOR (a > 7));
a
SELECT * FROM t1 WHERE NOT (NULL XOR (a > 7));
a
# Should be simplified to "...WHERE (a XOR a)
EXPLAIN EXTENDED SELECT * FROM t1 WHERE NOT ((NOT a) XOR (a));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 index NULL a 5 NULL 21 100.00 Using where; Using index
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` xor `test`.`t1`.`a`)
# Should be simplified to "...WHERE (a XOR a)
EXPLAIN EXTENDED SELECT * FROM t1 WHERE NOT (a XOR (NOT a));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 index NULL a 5 NULL 21 100.00 Using where; Using index
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` xor `test`.`t1`.`a`)
# End XOR
delete from t1 where a > 3;
select a, not(not(a)) from t1;
a not(not(a))
@ -385,7 +500,7 @@ NULL NULL
3 1
explain extended select a, not(not(a)), not(a <= 2 and not(a)), not(a not like "1"), not (a not in (1,2)), not(a != 2) from t1 where not(not(a)) having not(not(a));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 index NULL a 5 NULL 5 100.00 Using where; Using index
1 SIMPLE t1 range a a 5 NULL 4 100.00 Using where; Using index
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,(`test`.`t1`.`a` <> 0) AS `not(not(a))`,((`test`.`t1`.`a` > 2) or `test`.`t1`.`a`) AS `not(a <= 2 and not(a))`,(`test`.`t1`.`a` like '1') AS `not(a not like "1")`,(`test`.`t1`.`a` in (1,2)) AS `not (a not in (1,2))`,(`test`.`t1`.`a` = 2) AS `not(a != 2)` from `test`.`t1` where `test`.`t1`.`a` having `test`.`t1`.`a`
Note 1003 select `test`.`t1`.`a` AS `a`,(`test`.`t1`.`a` <> 0) AS `not(not(a))`,((`test`.`t1`.`a` > 2) or `test`.`t1`.`a`) AS `not(a <= 2 and not(a))`,(`test`.`t1`.`a` like '1') AS `not(a not like "1")`,(`test`.`t1`.`a` in (1,2)) AS `not (a not in (1,2))`,(`test`.`t1`.`a` = 2) AS `not(a != 2)` from `test`.`t1` where (`test`.`t1`.`a` <> 0) having (`test`.`t1`.`a` <> 0)
drop table t1;

4
mysql-test/r/null.result
View File

@ -148,10 +148,10 @@ insert into t1 values
(7,7), (8,8), (9,9), (10,10), (11,11), (12,12);
explain select * from t1 where a between 2 and 3;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range idx idx 4 NULL 2 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range idx idx 4 NULL 2 Using where
explain select * from t1 where a between 2 and 3 or b is null;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range idx idx 4 NULL 2 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range idx idx 4 NULL 2 Using where
drop table t1;
select cast(NULL as signed);
cast(NULL as signed)

2
mysql-test/r/null_key.result
View File

@ -258,7 +258,7 @@ INSERT INTO t1 VALUES (1,NULL),(2,NULL),(3,1),(4,2),(5,NULL),(6,NULL),(7,3),(8,4
INSERT INTO t2 VALUES (1,NULL),(2,NULL),(3,1),(4,2),(5,NULL),(6,NULL),(7,3),(8,4),(9,NULL),(10,NULL);
explain select id from t1 where uniq_id is null;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref idx1 idx1 5 const 5 Using index condition
1 SIMPLE t1 ref idx1 idx1 5 const 5 Using where
explain select id from t1 where uniq_id =1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const idx1 idx1 5 const 1

3
mysql-test/r/old-mode.result
View File

@ -16,3 +16,6 @@ Table Checksum
test.t1 2948697075
test.t2 2948697075
drop table t1,t2;
SHOW PROCESSLIST;
Id User Host db Command Time State Info
<Id> root <Host> test Query <Time> NULL SHOW PROCESSLIST

36
mysql-test/r/optimizer_switch.result
View File

@ -4,19 +4,19 @@
#
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=on,mrr_cost_based=off,mrr_sort_keys=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off
set optimizer_switch='index_merge=off,index_merge_union=off';
select @@optimizer_switch;
@@optimizer_switch
index_merge=off,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=on,mrr_cost_based=off,mrr_sort_keys=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on
index_merge=off,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off
set optimizer_switch='index_merge_union=on';
select @@optimizer_switch;
@@optimizer_switch
index_merge=off,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=on,mrr_cost_based=off,mrr_sort_keys=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on
index_merge=off,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off
set optimizer_switch='default,index_merge_sort_union=off';
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=off,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=on,mrr_cost_based=off,mrr_sort_keys=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on
index_merge=on,index_merge_union=on,index_merge_sort_union=off,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off
set optimizer_switch=4;
ERROR 42000: Variable 'optimizer_switch' can't be set to the value of '4'
set optimizer_switch=NULL;
@ -43,60 +43,60 @@ set optimizer_switch=default;
set optimizer_switch='index_merge=off,index_merge_union=off,default';
select @@optimizer_switch;
@@optimizer_switch
index_merge=off,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=on,mrr_cost_based=off,mrr_sort_keys=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on
index_merge=off,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off
set optimizer_switch=default;
select @@global.optimizer_switch;
@@global.optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=on,mrr_cost_based=off,mrr_sort_keys=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off
set @@global.optimizer_switch=default;
select @@global.optimizer_switch;
@@global.optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=on,mrr_cost_based=off,mrr_sort_keys=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off
#
# Check index_merge's @@optimizer_switch flags
#
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=on,mrr_cost_based=off,mrr_sort_keys=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off
BUG#37120 optimizer_switch allowable values not according to specification
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=on,mrr_cost_based=off,mrr_sort_keys=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off
set optimizer_switch='default,materialization=off';
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=on,mrr_cost_based=off,mrr_sort_keys=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off
set optimizer_switch='default,semijoin=off';
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=on,mrr_cost_based=off,mrr_sort_keys=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off
set optimizer_switch='default,loosescan=off';
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=off,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=on,mrr_cost_based=off,mrr_sort_keys=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=on,loosescan=off,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off
set optimizer_switch='default,semijoin=off,materialization=off';
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=on,mrr_cost_based=off,mrr_sort_keys=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off
set optimizer_switch='default,materialization=off,semijoin=off';
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=on,mrr_cost_based=off,mrr_sort_keys=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off
set optimizer_switch='default,semijoin=off,materialization=off,loosescan=off';
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=off,materialization=off,in_to_exists=on,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=on,mrr_cost_based=off,mrr_sort_keys=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=on,loosescan=off,materialization=off,in_to_exists=on,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off
set optimizer_switch='default,semijoin=off,loosescan=off';
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=off,materialization=off,in_to_exists=on,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=on,mrr_cost_based=off,mrr_sort_keys=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=on,loosescan=off,materialization=off,in_to_exists=on,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off
set optimizer_switch='default,materialization=off,loosescan=off';
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=off,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=on,mrr_cost_based=off,mrr_sort_keys=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=on,loosescan=off,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off
set optimizer_switch=default;
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=on,mrr_cost_based=off,mrr_sort_keys=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=on,loosescan=on,materialization=off,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off

23
mysql-test/r/order_by.result
View File

@ -515,7 +515,7 @@ id select_type table type possible_keys key key_len ref rows Extra
EXPLAIN SELECT t1.gid, t3.uid from t1, t3 where t1.skr = t3.uid order by t1.gid,t3.skr;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using temporary; Using filesort
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 2 test.t1.skr 1 Using index condition
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 2 test.t1.skr 1 Using where
drop table t1,t2,t3;
CREATE TABLE t1 (
`titre` char(80) NOT NULL default '',
@ -612,7 +612,7 @@ DS-MRR: use two IGNORE INDEX queries, otherwise we get cost races, because
DS-MRR: records_in_range/read_time return the same numbers for all three indexes
EXPLAIN SELECT * FROM t1 IGNORE INDEX (LongField, StringField) WHERE FieldKey > '2' ORDER BY LongVal;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range FieldKey FieldKey 38 NULL 4 Using index condition; Rowid-ordered scan; Using filesort
1 SIMPLE t1 range FieldKey FieldKey 38 NULL 4 Using where; Using filesort
EXPLAIN SELECT * FROM t1 IGNORE INDEX (FieldKey, LongField) WHERE FieldKey > '2' ORDER BY LongVal;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range StringField StringField 38 NULL 4 Using where; Using filesort
@ -642,9 +642,10 @@ id
drop table t1;
create table t1(a int, b int, index(b));
insert into t1 values (2, 1), (1, 1), (4, NULL), (3, NULL), (6, 2), (5, 2);
insert into t1 values (12, 11), (11, 11), (14, 3), (13, 5), (16, 12), (15, 12);
explain select * from t1 where b=1 or b is null order by a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref_or_null b b 5 const 3 Using index condition; Using filesort
1 SIMPLE t1 ref_or_null b b 5 const 4 Using where; Using filesort
select * from t1 where b=1 or b is null order by a;
a b
1 1
@ -653,7 +654,7 @@ a b
4 NULL
explain select * from t1 where b=2 or b is null order by a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref_or_null b b 5 const 4 Using index condition; Using filesort
1 SIMPLE t1 ref_or_null b b 5 const 3 Using where; Using filesort
select * from t1 where b=2 or b is null order by a;
a b
3 NULL
@ -1113,7 +1114,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index k2 k3 5 NULL 73 Using where
EXPLAIN SELECT id,c3 FROM t2 WHERE c2 BETWEEN 20 AND 30 ORDER BY c3 LIMIT 4000;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range k2 k2 5 NULL 386 Using index condition; Rowid-ordered scan; Using filesort
1 SIMPLE t2 range k2 k2 5 NULL 386 Using where; Using filesort
SELECT id,c3 FROM t2 WHERE c2=11 ORDER BY c3 LIMIT 20;
id c3
6 14
@ -1464,7 +1465,7 @@ INSERT INTO t1 VALUES (1, 10), (2, NULL);
EXPLAIN
SELECT 1 AS col FROM t1 WHERE a=2 AND (c=10 OR c IS NULL) ORDER BY c;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref_or_null a_c,a a_c 10 const,const 1 Using where
1 SIMPLE t1 ref_or_null a_c,a a_c 10 const,const 2 Using where; Using index; Using filesort
# Must return 1 row
SELECT 1 AS col FROM t1 WHERE a=2 AND (c=10 OR c IS NULL) ORDER BY c;
col
@ -1490,8 +1491,8 @@ SELECT d FROM t1, t2
WHERE t2.b=14 AND t2.a=t1.a AND 5.1<t2.c AND t1.b='DE'
ORDER BY t2.c LIMIT 1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a,b b 4 const 4 Using index condition; Using where; Using temporary; Using filesort
1 SIMPLE t2 ref a,b,c a 40 test.t1.a,const 11 Using index condition
1 SIMPLE t1 ref a,b b 4 const 4 Using where; Using temporary; Using filesort
1 SIMPLE t2 ref a,b,c a 40 test.t1.a,const 11 Using where
SELECT d FROM t1, t2
WHERE t2.b=14 AND t2.a=t1.a AND 5.1<t2.c AND t1.b='DE'
ORDER BY t2.c LIMIT 1;
@ -1626,19 +1627,19 @@ INSERT INTO t2 SELECT a+4, b FROM t2;
EXPLAIN
SELECT * FROM t1 FORCE INDEX FOR ORDER BY (a), t2 WHERE t1.a < 2 ORDER BY t1.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 5 NULL 2 Using index condition; Rowid-ordered scan; Using temporary; Using filesort
1 SIMPLE t1 range a a 5 NULL 2 Using where; Using temporary; Using filesort
1 SIMPLE t2 ALL NULL NULL NULL NULL 10 Using join buffer (flat, BNL join)
# should have "using filesort"
EXPLAIN
SELECT * FROM t1 USE INDEX FOR ORDER BY (a), t2 WHERE t1.a < 2 ORDER BY t1.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 5 NULL 2 Using index condition; Rowid-ordered scan; Using temporary; Using filesort
1 SIMPLE t1 range a a 5 NULL 2 Using where; Using temporary; Using filesort
1 SIMPLE t2 ALL NULL NULL NULL NULL 10 Using join buffer (flat, BNL join)
# should have "using filesort"
EXPLAIN
SELECT * FROM t1 FORCE INDEX FOR JOIN (a), t2 WHERE t1.a < 2 ORDER BY t1.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 5 NULL 2 Using index condition; Rowid-ordered scan; Using temporary; Using filesort
1 SIMPLE t1 range a a 5 NULL 2 Using where; Using temporary; Using filesort
1 SIMPLE t2 ALL NULL NULL NULL NULL 10 Using join buffer (flat, BNL join)
DROP TABLE t1, t2;
#

5
mysql-test/r/partition_error.result
View File

@ -657,15 +657,16 @@ CREATE TABLE t1 (a INT) PARTITION BY HASH (a);
FLUSH TABLES;
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check Error File './test/t1.par' not found (Errcode: 2)
test.t1 check Error Failed to read from the .par file
test.t1 check Error Incorrect information in file: './test/t1.frm'
test.t1 check error Corrupt
SELECT * FROM t1;
ERROR HY000: Failed to read from the .par file
ERROR HY000: File './test/t1.par' not found (Errcode: 2)
# Note that it is currently impossible to drop a partitioned table
# without the .par file
DROP TABLE t1;
ERROR 42S02: Unknown table 't1'
ERROR HY000: File './test/t1.par' not found (Errcode: 2)
#
# Bug#49477: Assertion `0' failed in ha_partition.cc:5530
# with temporary table and partitions

5
mysql-test/r/partition_pruning.result
View File

@ -2340,16 +2340,17 @@ drop table t1;
create table t1 (a int not null, b int not null, key(a), key(b))
partition by hash(a) partitions 4;
insert into t1 values (1,1),(2,2),(3,3),(4,4);
insert into t1 values (5,5),(6,6),(7,7),(8,8);
explain partitions
select * from t1 X, t1 Y
where X.b = Y.b and (X.a=1 or X.a=2) and (Y.a=2 or Y.a=3);
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE X p1,p2 ALL a,b NULL NULL NULL 2 Using where
1 SIMPLE X p1,p2 range a,b a 4 NULL 4 Using where
1 SIMPLE Y p2,p3 ref a,b b 4 test.X.b 2 Using where
explain partitions
select * from t1 X, t1 Y where X.a = Y.a and (X.a=1 or X.a=2);
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE X p1,p2 ALL a NULL NULL NULL 2 Using where
1 SIMPLE X p1,p2 range a a 4 NULL 4 Using where
1 SIMPLE Y p1,p2 ref a a 4 test.X.a 2
drop table t1;
create table t1 (a int) partition by hash(a) partitions 20;

11
mysql-test/r/plugin_innodb.result Normal file
View File

@ -0,0 +1,11 @@
install plugin example soname 'ha_example.so';
create table t1(a int) engine=example;
drop table t1;
alter table mysql.plugin engine=innodb;
restart
create table t1(a int) engine=example;
select * from t1;
a
drop table t1;
alter table mysql.plugin engine=myisam;
uninstall plugin example;

3
mysql-test/r/ps.result
View File

@ -156,6 +156,7 @@ prepare stmt1 from @stmt ;
execute stmt1 ;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
6 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
5 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
4 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
3 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
@ -163,6 +164,7 @@ id select_type table type possible_keys key key_len ref rows Extra
execute stmt1 ;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
6 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
5 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
4 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
3 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
@ -170,6 +172,7 @@ id select_type table type possible_keys key key_len ref rows Extra
explain SELECT (SELECT SUM(c1 + c12 + 0.0) FROM t2 where (t1.c2 - 0e-3) = t2.c2 GROUP BY t1.c15 LIMIT 1) as scalar_s, exists (select 1.0e+0 from t2 where t2.c3 * 9.0000000000 = t1.c4) as exists_s, c5 * 4 in (select c6 + 0.3e+1 from t2) as in_s, (c7 - 4, c8 - 4) in (select c9 + 4.0, c10 + 40e-1 from t2) as in_row_s FROM t1, (select c25 x, c32 y from t2) tt WHERE x * 1 = c25;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
6 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
5 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
4 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
3 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables

4
mysql-test/r/ps_1general.result
View File

@ -465,9 +465,9 @@ def key 253 64 7 Y 0 31 8
def key_len 253 4096 1 Y 0 31 8
def ref 253 2048 0 Y 0 31 8
def rows 8 10 1 Y 32928 0 63
def Extra 253 255 57 N 1 31 8
def Extra 253 255 27 N 1 31 8
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 3 Using index condition; Rowid-ordered scan; Using filesort
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 3 Using where; Using filesort
drop table if exists t2;
create table t2 (id smallint, name varchar(20)) ;
prepare stmt1 from ' insert into t2 values(?, ?) ' ;

2
mysql-test/r/ps_2myisam.result
View File

@ -1509,8 +1509,8 @@ prepare stmt1 from 'insert into t1 values(?,?),(?,?)';
execute stmt1 using @arg00, @arg01, @arg02, @arg03 ;
select a,b from t1 where a in (@arg00,@arg02) ;
a b
82 8-2
81 8-1
82 8-2
set @arg00=9 ;
set @arg01='nine' ;
prepare stmt1 from 'insert into t1 set a=?, b=? ';

12
mysql-test/r/ps_ddl.result
View File

@ -1508,12 +1508,12 @@ create view v_27690_1 as select A.a, A.b from t_27690_1 A, t_27690_1 B;
execute stmt;
a b a b
1 1 1 1
1 1 2 2
2 2 1 1
2 2 2 2
1 1 1 1
1 1 2 2
2 2 1 1
1 1 2 2
2 2 2 2
1 1 2 2
2 2 2 2
call p_verify_reprepare_count(1);
SUCCESS
@ -1521,12 +1521,12 @@ SUCCESS
execute stmt;
a b a b
1 1 1 1
1 1 2 2
2 2 1 1
2 2 2 2
1 1 1 1
1 1 2 2
2 2 1 1
1 1 2 2
2 2 2 2
1 1 2 2
2 2 2 2
call p_verify_reprepare_count(0);
SUCCESS

132
mysql-test/r/range.result
View File

@ -1,4 +1,4 @@
drop table if exists t1, t2, t3;
drop table if exists t1, t2, t3, t10, t100;
CREATE TABLE t1 (
event_date date DEFAULT '0000-00-00' NOT NULL,
type int(11) DEFAULT '0' NOT NULL,
@ -221,27 +221,27 @@ update t1 set y=x;
explain select * from t1, t1 t2 where t1.y = 8 and t2.x between 7 and t1.y+0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref y y 5 const 1
1 SIMPLE t2 range x x 5 NULL 2 Using index condition; Rowid-ordered scan; Using join buffer (flat, BNL join)
1 SIMPLE t2 range x x 5 NULL 2 Using where; Using join buffer (flat, BNL join)
explain select * from t1, t1 t2 where t1.y = 8 and t2.x >= 7 and t2.x <= t1.y+0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref y y 5 const 1
1 SIMPLE t2 range x x 5 NULL 2 Using index condition; Rowid-ordered scan; Using join buffer (flat, BNL join)
1 SIMPLE t2 range x x 5 NULL 2 Using where; Using join buffer (flat, BNL join)
explain select * from t1, t1 t2 where t1.y = 2 and t2.x between t1.y-1 and t1.y+1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref y y 5 const 1
1 SIMPLE t2 range x x 5 NULL 3 Using index condition; Rowid-ordered scan; Using join buffer (flat, BNL join)
1 SIMPLE t2 range x x 5 NULL 3 Using where; Using join buffer (flat, BNL join)
explain select * from t1, t1 t2 where t1.y = 2 and t2.x >= t1.y-1 and t2.x <= t1.y+1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref y y 5 const 1
1 SIMPLE t2 range x x 5 NULL 3 Using index condition; Rowid-ordered scan; Using join buffer (flat, BNL join)
1 SIMPLE t2 range x x 5 NULL 3 Using where; Using join buffer (flat, BNL join)
explain select * from t1, t1 t2 where t1.y = 2 and t2.x between 0 and t1.y;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref y y 5 const 1
1 SIMPLE t2 range x x 5 NULL 2 Using index condition; Rowid-ordered scan; Using join buffer (flat, BNL join)
1 SIMPLE t2 range x x 5 NULL 2 Using where; Using join buffer (flat, BNL join)
explain select * from t1, t1 t2 where t1.y = 2 and t2.x >= 0 and t2.x <= t1.y;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref y y 5 const 1
1 SIMPLE t2 range x x 5 NULL 2 Using index condition; Rowid-ordered scan; Using join buffer (flat, BNL join)
1 SIMPLE t2 range x x 5 NULL 2 Using where; Using join buffer (flat, BNL join)
explain select count(*) from t1 where x in (1);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref x x 5 const 1 Using index
@ -276,7 +276,7 @@ INSERT INTO t1 VALUES
(33,5),(33,5),(33,5),(33,5),(34,5),(35,5);
EXPLAIN SELECT * FROM t1 WHERE a IN(1,2) AND b=5;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a,b a 5 NULL 2 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t1 range a,b a 5 NULL 2 Using where
SELECT * FROM t1 WHERE a IN(1,2) AND b=5;
a b
DROP TABLE t1;
@ -421,19 +421,19 @@ test.t1 analyze status OK
test.t2 analyze status Table is already up to date
explain select * from t1, t2 where t1.uid=t2.uid AND t1.uid > 0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range uid_index uid_index 4 NULL 112 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range uid_index uid_index 4 NULL 112 Using where
1 SIMPLE t2 ref uid_index uid_index 4 test.t1.uid 38
explain select * from t1, t2 where t1.uid=t2.uid AND t2.uid > 0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range uid_index uid_index 4 NULL 112 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range uid_index uid_index 4 NULL 112 Using where
1 SIMPLE t2 ref uid_index uid_index 4 test.t1.uid 38
explain select * from t1, t2 where t1.uid=t2.uid AND t1.uid != 0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range uid_index uid_index 4 NULL 113 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range uid_index uid_index 4 NULL 113 Using where
1 SIMPLE t2 ref uid_index uid_index 4 test.t1.uid 38
explain select * from t1, t2 where t1.uid=t2.uid AND t2.uid != 0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range uid_index uid_index 4 NULL 113 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range uid_index uid_index 4 NULL 113 Using where
1 SIMPLE t2 ref uid_index uid_index 4 test.t1.uid 38
select * from t1, t2 where t1.uid=t2.uid AND t1.uid > 0;
id name uid id name uid
@ -615,13 +615,13 @@ INSERT INTO t1 (a) VALUES
('111'),('222'),('222'),('222'),('222'),('444'),('aaa'),('AAA'),('bbb');
explain select * from t1 where a='aaa';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a a 11 const 2 Using index condition
1 SIMPLE t1 ref a a 11 const 2 Using where
explain select * from t1 where a=binary 'aaa';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 11 NULL 2 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range a a 11 NULL 2 Using where
explain select * from t1 where a='aaa' collate latin1_bin;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 11 NULL 2 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range a a 11 NULL 2 Using where
explain select * from t1 where a='aaa' collate latin1_german1_ci;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL a NULL NULL NULL 9 Using where
@ -698,14 +698,26 @@ INSERT INTO t1 VALUES
'd8c4177d09f8b11f5.52725521'),
('d8c4177d24ccef970.14957924','d8c4177d09f8b11f5.52725521',10,11,
'd8c4177d09f8b11f5.52725521');
INSERT INTO t1 VALUES
('d8c4177d09f8b11f5.52725522','oxrootid',1,40,'d8c4177d09f8b11f5.52725522'),
('d8c4177d151affab2.81582771','d8c4177d09f8b11f5.52725521',2,3,
'd8c4177d09f8b11f5.52725522'),
('d8c4177d206a333d2.74422678','d8c4177d09f8b11f5.52725521',4,5,
'd8c4177d09f8b11f5.52725522'),
('d8c4177d225791924.30714721','d8c4177d09f8b11f5.52725521',6,7,
'd8c4177d09f8b11f5.52725522'),
('d8c4177d2380fc201.39666694','d8c4177d09f8b11f5.52725521',8,9,
'd8c4177d09f8b11f5.52725522'),
('d8c4177d24ccef970.14957925','d8c4177d09f8b11f5.52725521',10,11,
'd8c4177d09f8b11f5.52725522');
EXPLAIN
SELECT s.oxid FROM t1 v, t1 s
WHERE s.oxrootid = 'd8c4177d09f8b11f5.52725521' AND
v.oxrootid ='d8c4177d09f8b11f5.52725521' AND
s.oxleft > v.oxleft AND s.oxleft < v.oxright;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE v ref OXLEFT,OXRIGHT,OXROOTID OXROOTID 34 const 5 Using index condition
1 SIMPLE s ALL OXLEFT NULL NULL NULL 6 Range checked for each record (index map: 0x4)
1 SIMPLE v ref OXLEFT,OXRIGHT,OXROOTID OXROOTID 34 const 5 Using where
1 SIMPLE s ALL OXLEFT NULL NULL NULL 12 Range checked for each record (index map: 0x4)
SELECT s.oxid FROM t1 v, t1 s
WHERE s.oxrootid = 'd8c4177d09f8b11f5.52725521' AND
v.oxrootid ='d8c4177d09f8b11f5.52725521' AND
@ -878,10 +890,10 @@ INSERT INTO t1 VALUES
(55,'C'), (56,'C'), (57,'C'), (58,'C'), (59,'C'), (60,'C');
EXPLAIN SELECT * FROM t1 WHERE status <> 'A' AND status <> 'B';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range status status 23 NULL 11 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range status status 23 NULL 11 Using where
EXPLAIN SELECT * FROM t1 WHERE status NOT IN ('A','B');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range status status 23 NULL 11 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range status status 23 NULL 11 Using where
SELECT * FROM t1 WHERE status <> 'A' AND status <> 'B';
id status
53 C
@ -910,10 +922,10 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range status status 23 NULL 11 Using where; Using index
EXPLAIN SELECT * FROM t1 WHERE status NOT BETWEEN 'A' AND 'B';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range status status 23 NULL 10 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range status status 23 NULL 10 Using where
EXPLAIN SELECT * FROM t1 WHERE status < 'A' OR status > 'B';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range status status 23 NULL 10 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range status status 23 NULL 10 Using where
SELECT * FROM t1 WHERE status NOT BETWEEN 'A' AND 'B';
id status
53 C
@ -1014,20 +1026,20 @@ create table t2 (a varchar(10), filler char(200), key(a));
insert into t2 select * from t1;
explain select * from t1 where a between 'a' and 'a ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 13 NULL # Using index condition; Rowid-ordered scan
1 SIMPLE t1 range a a 13 NULL # Using where
explain select * from t1 where a = 'a' or a='a ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 13 NULL # Using index condition; Rowid-ordered scan
1 SIMPLE t1 range a a 13 NULL # Using where
explain select * from t2 where a between 'a' and 'a ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ref a a 13 const # Using index condition
1 SIMPLE t2 ref a a 13 const # Using where
explain select * from t2 where a = 'a' or a='a ';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ref a a 13 const # Using index condition
1 SIMPLE t2 ref a a 13 const # Using where
update t1 set a='b' where a<>'a';
explain select * from t1 where a not between 'b' and 'b';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 13 NULL # Using index condition; Rowid-ordered scan
1 SIMPLE t1 range a a 13 NULL # Using where
select a, hex(filler) from t1 where a not between 'b' and 'b';
a hex(filler)
a 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
@ -1071,10 +1083,10 @@ id b c
0 3 4
EXPLAIN SELECT * FROM t1 WHERE b<=3 AND 3<=c;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range idx1,idx2 idx2 4 NULL 3 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t1 range idx1,idx2 idx2 4 NULL 3 Using where
EXPLAIN SELECT * FROM t1 WHERE 3 BETWEEN b AND c;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range idx1,idx2 idx2 4 NULL 3 Using where; Rowid-ordered scan
1 SIMPLE t1 range idx1,idx2 idx2 4 NULL 3 Using where
SELECT * FROM t1 WHERE 0 < b OR 0 > c;
id b c
0 3 4
@ -1103,7 +1115,7 @@ INSERT INTO t1 VALUES
('A2','2005-12-01 08:00:00',1000);
EXPLAIN SELECT * FROM t1 WHERE item='A1' AND started<='2005-12-01 24:00:00';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref PRIMARY PRIMARY 20 const 2 Using index condition
1 SIMPLE t1 ref PRIMARY PRIMARY 20 const 2 Using where
SELECT * FROM t1 WHERE item='A1' AND started<='2005-12-01 24:00:00';
item started price
Warnings:
@ -1141,7 +1153,7 @@ INSERT INTO t1 VALUES
This must use range access:
explain select * from t1 where dateval >= '2007-01-01 00:00:00' and dateval <= '2007-01-02 23:59:59';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range dateval dateval 4 NULL 2 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range dateval dateval 4 NULL 2 Using where
drop table t1;
CREATE TABLE t1 (
a varchar(32), index (a)
@ -1207,7 +1219,7 @@ Z
In following EXPLAIN the access method should be ref, #rows~=500 (and not 2)
explain select * from t2 where a=1000 and b<11;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ref a a 5 const 502 Using index condition
1 SIMPLE t2 ref a a 5 const 502 Using where
drop table t1, t2;
CREATE TABLE t1( a INT, b INT, KEY( a, b ) );
CREATE TABLE t2( a INT, b INT, KEY( a, b ) );
@ -1678,7 +1690,7 @@ pk i4
EXPLAIN
SELECT * FROM t1 WHERE 10 BETWEEN 10 AND i4;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range i4_uq i4_uq 5 NULL 3 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range i4_uq i4_uq 5 NULL 3 Using where
SELECT * FROM t1 WHERE 10 BETWEEN 10 AND i4;
pk i4
1 10
@ -1687,7 +1699,7 @@ pk i4
EXPLAIN
SELECT * FROM t1 WHERE 10 BETWEEN i4 AND 10;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range i4_uq i4_uq 5 NULL 1 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range i4_uq i4_uq 5 NULL 1 Using where
SELECT * FROM t1 WHERE 10 BETWEEN i4 AND 10;
pk i4
1 10
@ -1721,7 +1733,7 @@ pk i4
EXPLAIN
SELECT * FROM t1 WHERE i4 BETWEEN 10 AND 99999999999999999;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range i4_uq i4_uq 5 NULL 2 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range i4_uq i4_uq 5 NULL 2 Using where
SELECT * FROM t1 WHERE i4 BETWEEN 10 AND 99999999999999999;
pk i4
1 10
@ -1736,7 +1748,7 @@ pk i4
EXPLAIN
SELECT * FROM t1 WHERE i4 BETWEEN 10 AND '20';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range i4_uq i4_uq 5 NULL 1 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range i4_uq i4_uq 5 NULL 1 Using where
SELECT * FROM t1 WHERE i4 BETWEEN 10 AND '20';
pk i4
1 10
@ -1745,14 +1757,14 @@ EXPLAIN
SELECT * FROM t1, t1 as t2 WHERE t2.pk BETWEEN t1.i4 AND t1.i4;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL i4_uq NULL NULL NULL 3
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.i4 1 Using index condition
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.i4 1 Using where
SELECT * FROM t1, t1 as t2 WHERE t2.pk BETWEEN t1.i4 AND t1.i4;
pk i4 pk i4
EXPLAIN
SELECT * FROM t1, t1 as t2 WHERE t1.i4 BETWEEN t2.pk AND t2.pk;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL i4_uq NULL NULL NULL 3
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.i4 1 Using index condition
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.i4 1 Using where
SELECT * FROM t1, t1 as t2 WHERE t1.i4 BETWEEN t2.pk AND t2.pk;
pk i4 pk i4
DROP TABLE t1;
@ -1763,3 +1775,49 @@ select min(f1) from t1 where f1 >= '2006-05-25 07:00:20' and f1 between '2003-
min(f1)
NULL
drop table t1;
#
# BUG#11765831: 'RANGE ACCESS' MAY INCORRECTLY FILTER
# AWAY QUALIFYING ROWS
#
CREATE TABLE t10(
K INT NOT NULL AUTO_INCREMENT,
I INT, J INT,
PRIMARY KEY(K),
KEY(I,J)
);
INSERT INTO t10(I,J) VALUES (6,1),(6,2),(6,3),(6,4),(6,5),
(6,6),(6,7),(6,8),(6,9),(6,0);
CREATE TABLE t100 LIKE t10;
INSERT INTO t100(I,J) SELECT X.I, X.K+(10*Y.K) FROM t10 AS X,t10 AS Y;
INSERT INTO t100(I,J) VALUES(8,26);
EXPLAIN SELECT * FROM t100 WHERE I <> 6 OR (I <> 8 AND J = 5);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t100 range I I 10 NULL 4 Using where
SELECT * FROM t100 WHERE I <> 6 OR (I <> 8 AND J = 5);
K I J
101 8 26
DROP TABLE t10,t100;
#
# lp:817363: Wrong result with sort_union and multipart key in maria-5.3
#
CREATE TABLE t1 (a int NOT NULL , b int, c int, d varchar(32), KEY (d,b), PRIMARY KEY (a)) ;
INSERT INTO t1 VALUES (7,7,NULL,'e'),(8,1,0,'p'),(9,7,1,'s'),(10,1,1,'j'),(12,2,0,'c'),(13,0,0,'a'),(14,1,1,'q');
SELECT c FROM t1 WHERE d='q' OR d>='q' OR a > 97 OR (d IN ('j','s','i') AND b = 102);
c
1
1
SELECT c FROM t1 ignore index (d) WHERE d='q' OR d>='q' OR a > 97 OR (d IN ('j','s','i') AND b = 102);
c
1
1
SELECT * FROM t1 ignore index(d) WHERE d = 'q' OR d >= 'q' OR (d IN ( 'j' , 's' , 'i' ) AND ( b = 102 ));
a b c d
9 7 1 s
14 1 1 q
SELECT * FROM t1 force index(d) WHERE d = 'q' OR d >= 'q' OR (d IN ( 'j' , 's' , 'i' ) AND ( b = 102 ));
a b c d
14 1 1 q
9 7 1 s
DROP TABLE t1;

1826
mysql-test/r/range_mrr_icp.result Normal file
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141
mysql-test/r/range_vs_index_merge.result
View File

@ -49,14 +49,14 @@ SELECT * FROM City
WHERE (Population >= 100000 OR Name LIKE 'P%') AND Country='CAN' OR
(Population < 100000 OR Name Like 'T%') AND Country='ARG';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population,Country,Name Country 3 NULL 104 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE City range Population,Country,Name Country 3 NULL 104 Using where
EXPLAIN
SELECT * FROM City
WHERE Population < 200000 AND Name LIKE 'P%' AND
(Population > 300000 OR Name LIKE 'T%') AND
(Population < 100000 OR Name LIKE 'Pa%');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population,Name Name 35 NULL 135 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE City range Population,Name Name 35 NULL 135 Using where
EXPLAIN
SELECT * FROM City
WHERE Population > 100000 AND Name LIKE 'Aba%' OR
@ -69,12 +69,12 @@ EXPLAIN
SELECT * FROM City
WHERE (Population > 101000 AND Population < 115000);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population Population 4 NULL 459 Using index condition; Rowid-ordered scan
1 SIMPLE City range Population Population 4 NULL 459 Using where
EXPLAIN
SELECT * FROM City
WHERE (Population > 101000 AND Population < 102000);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population Population 4 NULL 39 Using index condition; Rowid-ordered scan
1 SIMPLE City range Population Population 4 NULL 39 Using where
EXPLAIN
SELECT * FROM City
WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'F'));
@ -91,7 +91,7 @@ SELECT * FROM City
WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'F'))
AND (Population > 101000 AND Population < 102000);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population,Country,Name Population 4 NULL 39 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE City range Population,Country,Name Population 4 NULL 39 Using where
SELECT * FROM City USE INDEX ()
WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'F'))
AND (Population > 101000 AND Population < 115000);
@ -164,44 +164,44 @@ SELECT * FROM City
WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'F'))
AND (Population > 101000 AND Population < 102000);
ID Name Country Population
637 Mit Ghamr EGY 101801
707 Marbella ESP 101144
3792 Tartu EST 101246
4032 Cambridge USA 101355
637 Mit Ghamr EGY 101801
EXPLAIN
SELECT * FROM City WHERE (Name < 'Ac');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 13 Using index condition; Rowid-ordered scan
1 SIMPLE City range Name Name 35 NULL 13 Using where
EXPLAIN
SELECT * FROM City WHERE (Name < 'Bb');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 208 Using index condition; Rowid-ordered scan
1 SIMPLE City range Name Name 35 NULL 208 Using where
EXPLAIN
SELECT * FROM City WHERE (Country > 'A' AND Country < 'B');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Country Country 3 NULL 104 Using index condition; Rowid-ordered scan
1 SIMPLE City range Country Country 3 NULL 104 Using where
EXPLAIN
SELECT * FROM City WHERE (Name BETWEEN 'P' AND 'Pb');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 39 Using index condition; Rowid-ordered scan
1 SIMPLE City range Name Name 35 NULL 39 Using where
EXPLAIN
SELECT * FROM City WHERE (Name BETWEEN 'P' AND 'S');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 221 Using index condition; Rowid-ordered scan
1 SIMPLE City range Name Name 35 NULL 221 Using where
EXPLAIN
SELECT * FROM City WHERE (Population > 101000 AND Population < 110000);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population Population 4 NULL 328 Using index condition; Rowid-ordered scan
1 SIMPLE City range Population Population 4 NULL 328 Using where
EXPLAIN
SELECT * FROM City WHERE (Population > 103000 AND Population < 104000);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population Population 4 NULL 37 Using index condition; Rowid-ordered scan
1 SIMPLE City range Population Population 4 NULL 37 Using where
EXPLAIN
SELECT * FROM City
WHERE (Name < 'Ac' AND (Country > 'A' AND Country < 'B')) OR
(Name BETWEEN 'P' AND 'Pb' AND (Population > 101000 AND Population < 110000));
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population,Country,Name Name 35 NULL 52 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE City range Population,Country,Name Name 35 NULL 52 Using where
EXPLAIN
SELECT * FROM City
WHERE (Name < 'Ac' AND (Country > 'A' AND Country < 'B')) OR
@ -234,10 +234,10 @@ WHERE (Name < 'Ac' AND (Country > 'A' AND Country < 'B')) OR
(Name BETWEEN 'P' AND 'Pb' AND (Population > 101000 AND Population < 110000));
ID Name Country Population
65 Abu Dhabi ARE 398695
168 Pabna BGD 103277
189 Parakou BEN 103577
750 Paarl ZAF 105768
168 Pabna BGD 103277
2865 Pak Pattan PAK 107800
189 Parakou BEN 103577
SELECT * FROM City USE INDEX ()
WHERE (Name < 'Ac' AND (Country > 'A' AND Country < 'B')) OR
(Name BETWEEN 'P' AND 'S' AND (Population > 103000 AND Population < 104000));
@ -327,11 +327,11 @@ ID Name Country Population
EXPLAIN
SELECT * FROM City WHERE (ID < 10) OR (ID BETWEEN 100 AND 110);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 21 Using index condition; Rowid-ordered scan
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 21 Using where
EXPLAIN
SELECT * FROM City WHERE (ID < 200) OR (ID BETWEEN 100 AND 200);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 201 Using index condition; Rowid-ordered scan
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 201 Using where
EXPLAIN
SELECT * FROM City WHERE (ID < 600) OR (ID BETWEEN 900 AND 1500);
id select_type table type possible_keys key key_len ref rows Extra
@ -339,22 +339,22 @@ id select_type table type possible_keys key key_len ref rows Extra
EXPLAIN
SELECT * FROM City WHERE Country > 'A' AND Country < 'ARG';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Country Country 3 NULL 19 Using index condition; Rowid-ordered scan
1 SIMPLE City range Country Country 3 NULL 19 Using where
EXPLAIN
SELECT * FROM City WHERE Name LIKE 'H%' OR Name LIKE 'P%' ;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 222 Using index condition; Rowid-ordered scan
1 SIMPLE City range Name Name 35 NULL 222 Using where
EXPLAIN
SELECT * FROM City WHERE Name LIKE 'Ha%' OR Name LIKE 'Pa%' ;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 72 Using index condition; Rowid-ordered scan
1 SIMPLE City range Name Name 35 NULL 72 Using where
EXPLAIN
SELECT * FROM City
WHERE ((ID < 10) AND (Name LIKE 'H%' OR (Country > 'A' AND Country < 'ARG')))
OR ((ID BETWEEN 100 AND 110) AND
(Name LIKE 'P%' OR (Population > 103000 AND Population < 104000)));
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY,Population,Country,Name PRIMARY 4 NULL 21 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE City range PRIMARY,Population,Country,Name PRIMARY 4 NULL 21 Using where
EXPLAIN
SELECT * FROM City
WHERE ((ID < 800) AND (Name LIKE 'Ha%' OR (Country > 'A' AND Country < 'ARG')))
@ -576,39 +576,39 @@ ID Name Country Population
EXPLAIN
SELECT * FROM City WHERE Population > 101000 AND Population < 102000;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population Population 4 NULL 39 Using index condition; Rowid-ordered scan
1 SIMPLE City range Population Population 4 NULL 39 Using where
EXPLAIN
SELECT * FROM City WHERE Population > 101000 AND Population < 110000;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population Population 4 NULL 328 Using index condition; Rowid-ordered scan
1 SIMPLE City range Population Population 4 NULL 328 Using where
EXPLAIN
SELECT * FROM City WHERE Country < 'C';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Country Country 3 NULL 436 Using index condition; Rowid-ordered scan
1 SIMPLE City range Country Country 3 NULL 436 Using where
EXPLAIN
SELECT * FROM City WHERE Country < 'AGO';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Country Country 3 NULL 6 Using index condition; Rowid-ordered scan
1 SIMPLE City range Country Country 3 NULL 6 Using where
EXPLAIN
SELECT * FROM City WHERE Name BETWEEN 'P' AND 'S';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 221 Using index condition; Rowid-ordered scan
1 SIMPLE City range Name Name 35 NULL 221 Using where
EXPLAIN
SELECT * FROM City WHERE Name BETWEEN 'P' AND 'Pb';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 39 Using index condition; Rowid-ordered scan
1 SIMPLE City range Name Name 35 NULL 39 Using where
EXPLAIN
SELECT * FROM City WHERE ID BETWEEN 3400 AND 3800;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 401 Using index condition; Rowid-ordered scan
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 401 Using where
EXPLAIN
SELECT * FROM City WHERE ID BETWEEN 3790 AND 3800;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 11 Using index condition; Rowid-ordered scan
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 11 Using where
EXPLAIN
SELECT * FROM City WHERE Name LIKE 'P%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 135 Using index condition; Rowid-ordered scan
1 SIMPLE City range Name Name 35 NULL 135 Using where
EXPLAIN
SELECT * FROM City
WHERE ((Population > 101000 AND Population < 102000) AND
@ -679,23 +679,23 @@ CREATE INDEX CountryPopulation ON City(Country,Population);
EXPLAIN
SELECT * FROM City WHERE Name LIKE 'Pas%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 5 Using index condition; Rowid-ordered scan
1 SIMPLE City range Name Name 35 NULL 5 Using where
EXPLAIN
SELECT * FROM City WHERE Name LIKE 'P%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 135 Using index condition; Rowid-ordered scan
1 SIMPLE City range Name Name 35 NULL 135 Using where
EXPLAIN
SELECT * FROM City WHERE (Population > 101000 AND Population < 103000);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population Population 4 NULL 81 Using index condition; Rowid-ordered scan
1 SIMPLE City range Population Population 4 NULL 81 Using where
EXPLAIN
SELECT * FROM City WHERE Country='USA';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City ref Country,CountryPopulation Country 3 const 267 Using index condition
1 SIMPLE City ref Country,CountryPopulation Country 3 const 267 Using where
EXPLAIN
SELECT * FROM City WHERE Country='FIN';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City ref Country,CountryPopulation Country 3 const 6 Using index condition
1 SIMPLE City ref Country,CountryPopulation Country 3 const 6 Using where
EXPLAIN
SELECT * FROM City
WHERE ((Population > 101000 AND Population < 103000) OR Name LIKE 'Pas%')
@ -707,7 +707,7 @@ SELECT * FROM City
WHERE ((Population > 101000 AND Population < 103000) OR Name LIKE 'P%')
AND Country='FIN';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City ref Population,Country,Name,CountryPopulation Country 3 const 6 Using index condition; Using where
1 SIMPLE City ref Population,Country,Name,CountryPopulation Country 3 const 6 Using where
SELECT * FROM City
WHERE ((Population > 101000 AND Population < 103000) OR Name LIKE 'Pas%')
AND Country='USA';
@ -752,51 +752,51 @@ CREATE INDEX CountryName ON City(Country,Name);
EXPLAIN
SELECT * FROM City WHERE Country='USA';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City ref Country,CountryPopulation,CountryName Country 3 const 267 Using index condition
1 SIMPLE City ref Country,CountryPopulation,CountryName Country 3 const 267 Using where
EXPLAIN
SELECT * FROM City WHERE Country='FIN';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City ref Country,CountryPopulation,CountryName CountryName 3 const 5 Using index condition
1 SIMPLE City ref Country,CountryPopulation,CountryName CountryName 3 const 5 Using where
EXPLAIN
SELECT * FROM City WHERE Country='BRA';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City ref Country,CountryPopulation,CountryName CountryName 3 const 221 Using index condition
1 SIMPLE City ref Country,CountryPopulation,CountryName CountryName 3 const 221 Using where
EXPLAIN
SELECT * FROM City WHERE ID BETWEEN 3790 AND 3800;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 11 Using index condition; Rowid-ordered scan
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 11 Using where
EXPLAIN
SELECT * FROM City WHERE ID BETWEEN 4025 AND 4035;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 11 Using index condition; Rowid-ordered scan
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 11 Using where
EXPLAIN
SELECT * FROM City WHERE ID BETWEEN 4028 AND 4032;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 5 Using index condition; Rowid-ordered scan
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 5 Using where
EXPLAIN
SELECT * FROM City WHERE ID BETWEEN 3500 AND 3800;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 301 Using index condition; Rowid-ordered scan
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 301 Using where
EXPLAIN
SELECT * FROM City WHERE ID BETWEEN 4000 AND 4300;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 80 Using index condition; Rowid-ordered scan
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 80 Using where
EXPLAIN
SELECT * FROM City WHERE ID BETWEEN 250 and 260 ;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 11 Using index condition; Rowid-ordered scan
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 11 Using where
EXPLAIN
SELECT * FROM City WHERE (Population > 101000 AND Population < 102000);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population Population 4 NULL 39 Using index condition; Rowid-ordered scan
1 SIMPLE City range Population Population 4 NULL 39 Using where
EXPLAIN
SELECT * FROM City WHERE (Population > 101000 AND Population < 103000);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population Population 4 NULL 81 Using index condition; Rowid-ordered scan
1 SIMPLE City range Population Population 4 NULL 81 Using where
EXPLAIN
SELECT * FROM City WHERE Name LIKE 'Pa%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 41 Using index condition; Rowid-ordered scan
1 SIMPLE City range Name Name 35 NULL 41 Using where
EXPLAIN
SELECT * FROM City
WHERE ((Population > 101000 AND Population < 102000) OR
@ -817,7 +817,7 @@ WHERE ((Population > 101000 AND Population < 110000) OR
ID BETWEEN 3500 AND 3800) AND Country='FIN'
AND (Name BETWEEN 'P' AND 'T' OR ID BETWEEN 4000 AND 4300);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City ref PRIMARY,Population,Country,Name,CountryPopulation,CountryName CountryName 3 const 5 Using index condition; Using where
1 SIMPLE City ref PRIMARY,Population,Country,Name,CountryPopulation,CountryName CountryName 3 const 5 Using where
SELECT * FROM City USE INDEX ()
WHERE ((Population > 101000 AND Population < 102000) OR
ID BETWEEN 3790 AND 3800) AND Country='USA'
@ -949,14 +949,14 @@ WHERE ((Population > 101000 AND Population < 11000) OR
ID BETWEEN 3500 AND 3800) AND Country='USA'
AND (Name LIKE 'P%' OR ID BETWEEN 4000 AND 4300);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY,Population,Country,Name,CountryPopulation,CountryName CountryName 38 NULL 23 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE City range PRIMARY,Population,Country,Name,CountryPopulation,CountryName CountryName 38 NULL 23 Using where
EXPLAIN
SELECT * FROM City
WHERE ((Population > 101000 AND Population < 11000) OR
ID BETWEEN 3500 AND 3800) AND Country='USA'
AND (Name LIKE 'Pho%' OR ID BETWEEN 4000 AND 4300);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY,Population,Country,Name,CountryPopulation,CountryName Name 35 NULL 1 Using where; Rowid-ordered scan
1 SIMPLE City range PRIMARY,Population,Country,Name,CountryPopulation,CountryName Name 35 NULL 1 Using where
SELECT * FROM City USE INDEX ()
WHERE ((Population > 101000 AND Population < 11000) OR
ID BETWEEN 3500 AND 3800) AND Country='USA'
@ -1377,4 +1377,41 @@ SELECT * FROM t1,t2,t3
WHERE (t2.f3 = 1 OR t3.f1=t2.f1) AND t3.f1 <> t2.f2 AND t3.f2 = t2.f4;
f1 f1 f2 f3 f4 f1 f2
DROP TABLE t1,t2,t3;
CREATE TABLE t1 (
a int, b int, c int, d int,
PRIMARY KEY(b), INDEX idx1(d), INDEX idx2(d,b,c)
);
INSERT INTO t1 VALUES
(0,58,7,7),(0,63,2,0),(0,64,186,8),(0,65,1,-2), (0,71,190,-3),
(0,72,321,-7),(0,73,0,3),(0,74,5,25),(0,75,5,3);
SET SESSION optimizer_switch='index_merge_sort_union=off';
EXPLAIN
SELECT * FROM t1
WHERE t1.b>7 AND t1.d>1 AND t1.d<>8 OR t1.d>=7 AND t1.d<8 OR t1.d>7;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL PRIMARY,idx1,idx2 NULL NULL NULL 9 Using where
SELECT * FROM t1
WHERE t1.b>7 AND t1.d>1 AND t1.d<>8 OR t1.d>=7 AND t1.d<8 OR t1.d>7;
a b c d
0 58 7 7
0 64 186 8
0 73 0 3
0 74 5 25
0 75 5 3
SET SESSION optimizer_switch='index_merge_sort_union=on';
EXPLAIN
SELECT * FROM t1
WHERE t1.b>7 AND t1.d>1 AND t1.d<>8 OR t1.d>=7 AND t1.d<8 OR t1.d>7;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL PRIMARY,idx1,idx2 NULL NULL NULL 9 Using where
SELECT * FROM t1
WHERE t1.b>7 AND t1.d>1 AND t1.d<>8 OR t1.d>=7 AND t1.d<8 OR t1.d>7;
a b c d
0 58 7 7
0 64 186 8
0 73 0 3
0 74 5 25
0 75 5 3
SET SESSION optimizer_switch=DEFAULT;
DROP TABLE t1;
set session optimizer_switch='index_merge_sort_intersection=default';

123
mysql-test/r/range_vs_index_merge_innodb.result
View File

@ -50,14 +50,14 @@ SELECT * FROM City
WHERE (Population >= 100000 OR Name LIKE 'P%') AND Country='CAN' OR
(Population < 100000 OR Name Like 'T%') AND Country='ARG';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population,Country,Name Country 3 NULL 106 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE City range Population,Country,Name Country 3 NULL 106 Using where
EXPLAIN
SELECT * FROM City
WHERE Population < 200000 AND Name LIKE 'P%' AND
(Population > 300000 OR Name LIKE 'T%') AND
(Population < 100000 OR Name LIKE 'Pa%');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population,Name Name 35 NULL 235 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE City range Population,Name Name 35 NULL 235 Using where
EXPLAIN
SELECT * FROM City
WHERE Population > 100000 AND Name LIKE 'Aba%' OR
@ -70,12 +70,12 @@ EXPLAIN
SELECT * FROM City
WHERE (Population > 101000 AND Population < 115000);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population Population 4 NULL 458 Using index condition; Rowid-ordered scan
1 SIMPLE City range Population Population 4 NULL 458 Using where
EXPLAIN
SELECT * FROM City
WHERE (Population > 101000 AND Population < 102000);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population Population 4 NULL 38 Using index condition; Rowid-ordered scan
1 SIMPLE City range Population Population 4 NULL 38 Using where
EXPLAIN
SELECT * FROM City
WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'F'));
@ -92,7 +92,7 @@ SELECT * FROM City
WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'F'))
AND (Population > 101000 AND Population < 102000);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population,Country,Name Population 4 NULL 38 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE City range Population,Country,Name Population 4 NULL 38 Using where
SELECT * FROM City USE INDEX ()
WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'F'))
AND (Population > 101000 AND Population < 115000);
@ -165,44 +165,44 @@ SELECT * FROM City
WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'F'))
AND (Population > 101000 AND Population < 102000);
ID Name Country Population
637 Mit Ghamr EGY 101801
707 Marbella ESP 101144
3792 Tartu EST 101246
4032 Cambridge USA 101355
637 Mit Ghamr EGY 101801
EXPLAIN
SELECT * FROM City WHERE (Name < 'Ac');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 23 Using index condition; Rowid-ordered scan
1 SIMPLE City range Name Name 35 NULL 23 Using where
EXPLAIN
SELECT * FROM City WHERE (Name < 'Bb');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 373 Using index condition; Rowid-ordered scan
1 SIMPLE City range Name Name 35 NULL 373 Using where
EXPLAIN
SELECT * FROM City WHERE (Country > 'A' AND Country < 'B');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Country Country 3 NULL 106 Using index condition; Rowid-ordered scan
1 SIMPLE City range Country Country 3 NULL 106 Using where
EXPLAIN
SELECT * FROM City WHERE (Name BETWEEN 'P' AND 'Pb');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 71 Using index condition; Rowid-ordered scan
1 SIMPLE City range Name Name 35 NULL 71 Using where
EXPLAIN
SELECT * FROM City WHERE (Name BETWEEN 'P' AND 'S');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 384 Using index condition; Rowid-ordered scan
1 SIMPLE City range Name Name 35 NULL 384 Using where
EXPLAIN
SELECT * FROM City WHERE (Population > 101000 AND Population < 110000);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population Population 4 NULL 327 Using index condition; Rowid-ordered scan
1 SIMPLE City range Population Population 4 NULL 327 Using where
EXPLAIN
SELECT * FROM City WHERE (Population > 103000 AND Population < 104000);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population Population 4 NULL 36 Using index condition; Rowid-ordered scan
1 SIMPLE City range Population Population 4 NULL 36 Using where
EXPLAIN
SELECT * FROM City
WHERE (Name < 'Ac' AND (Country > 'A' AND Country < 'B')) OR
(Name BETWEEN 'P' AND 'Pb' AND (Population > 101000 AND Population < 110000));
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population,Country,Name Name 35 NULL 94 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE City range Population,Country,Name Name 35 NULL 94 Using where
EXPLAIN
SELECT * FROM City
WHERE (Name < 'Ac' AND (Country > 'A' AND Country < 'B')) OR
@ -235,10 +235,10 @@ WHERE (Name < 'Ac' AND (Country > 'A' AND Country < 'B')) OR
(Name BETWEEN 'P' AND 'Pb' AND (Population > 101000 AND Population < 110000));
ID Name Country Population
65 Abu Dhabi ARE 398695
168 Pabna BGD 103277
189 Parakou BEN 103577
750 Paarl ZAF 105768
168 Pabna BGD 103277
2865 Pak Pattan PAK 107800
189 Parakou BEN 103577
SELECT * FROM City USE INDEX ()
WHERE (Name < 'Ac' AND (Country > 'A' AND Country < 'B')) OR
(Name BETWEEN 'P' AND 'S' AND (Population > 103000 AND Population < 104000));
@ -332,7 +332,7 @@ id select_type table type possible_keys key key_len ref rows Extra
EXPLAIN
SELECT * FROM City WHERE (ID < 200) OR (ID BETWEEN 100 AND 200);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 199 Using where
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 200 Using where
EXPLAIN
SELECT * FROM City WHERE (ID < 600) OR (ID BETWEEN 900 AND 1500);
id select_type table type possible_keys key key_len ref rows Extra
@ -340,15 +340,15 @@ id select_type table type possible_keys key key_len ref rows Extra
EXPLAIN
SELECT * FROM City WHERE Country > 'A' AND Country < 'ARG';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Country Country 3 NULL 19 Using index condition; Rowid-ordered scan
1 SIMPLE City range Country Country 3 NULL 19 Using where
EXPLAIN
SELECT * FROM City WHERE Name LIKE 'H%' OR Name LIKE 'P%' ;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 394 Using index condition; Rowid-ordered scan
1 SIMPLE City range Name Name 35 NULL 394 Using where
EXPLAIN
SELECT * FROM City WHERE Name LIKE 'Ha%' OR Name LIKE 'Pa%' ;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 133 Using index condition; Rowid-ordered scan
1 SIMPLE City range Name Name 35 NULL 133 Using where
EXPLAIN
SELECT * FROM City
WHERE ((ID < 10) AND (Name LIKE 'H%' OR (Country > 'A' AND Country < 'ARG')))
@ -369,7 +369,7 @@ WHERE ((ID < 200) AND (Name LIKE 'Ha%' OR (Country > 'A' AND Country < 'ARG')))
OR ((ID BETWEEN 100 AND 200) AND
(Name LIKE 'Pa%' OR (Population > 103000 AND Population < 104000)));
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY,Population,Country,Name PRIMARY 4 NULL 199 Using where
1 SIMPLE City range PRIMARY,Population,Country,Name PRIMARY 4 NULL 200 Using where
SELECT * FROM City USE INDEX ()
WHERE ((ID < 10) AND (Name LIKE 'H%' OR (Country > 'A' AND Country < 'ARG')))
OR ((ID BETWEEN 100 AND 110) AND
@ -577,27 +577,27 @@ ID Name Country Population
EXPLAIN
SELECT * FROM City WHERE Population > 101000 AND Population < 102000;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population Population 4 NULL 38 Using index condition; Rowid-ordered scan
1 SIMPLE City range Population Population 4 NULL 38 Using where
EXPLAIN
SELECT * FROM City WHERE Population > 101000 AND Population < 110000;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population Population 4 NULL 327 Using index condition; Rowid-ordered scan
1 SIMPLE City range Population Population 4 NULL 327 Using where
EXPLAIN
SELECT * FROM City WHERE Country < 'C';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Country Country 3 NULL 446 Using index condition; Rowid-ordered scan
1 SIMPLE City range Country Country 3 NULL 446 Using where
EXPLAIN
SELECT * FROM City WHERE Country < 'AGO';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Country Country 3 NULL 5 Using index condition; Rowid-ordered scan
1 SIMPLE City range Country Country 3 NULL 5 Using where
EXPLAIN
SELECT * FROM City WHERE Name BETWEEN 'P' AND 'S';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 384 Using index condition; Rowid-ordered scan
1 SIMPLE City range Name Name 35 NULL 384 Using where
EXPLAIN
SELECT * FROM City WHERE Name BETWEEN 'P' AND 'Pb';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 71 Using index condition; Rowid-ordered scan
1 SIMPLE City range Name Name 35 NULL 71 Using where
EXPLAIN
SELECT * FROM City WHERE ID BETWEEN 3400 AND 3800;
id select_type table type possible_keys key key_len ref rows Extra
@ -609,7 +609,7 @@ id select_type table type possible_keys key key_len ref rows Extra
EXPLAIN
SELECT * FROM City WHERE Name LIKE 'P%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 235 Using index condition; Rowid-ordered scan
1 SIMPLE City range Name Name 35 NULL 235 Using where
EXPLAIN
SELECT * FROM City
WHERE ((Population > 101000 AND Population < 102000) AND
@ -680,23 +680,23 @@ CREATE INDEX CountryPopulation ON City(Country,Population);
EXPLAIN
SELECT * FROM City WHERE Name LIKE 'Pas%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 8 Using index condition; Rowid-ordered scan
1 SIMPLE City range Name Name 35 NULL 8 Using where
EXPLAIN
SELECT * FROM City WHERE Name LIKE 'P%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 235 Using index condition; Rowid-ordered scan
1 SIMPLE City range Name Name 35 NULL 235 Using where
EXPLAIN
SELECT * FROM City WHERE (Population > 101000 AND Population < 103000);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population Population 4 NULL 80 Using index condition; Rowid-ordered scan
1 SIMPLE City range Population Population 4 NULL 80 Using where
EXPLAIN
SELECT * FROM City WHERE Country='USA';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City ref Country,CountryPopulation Country 3 const 274 Using index condition
1 SIMPLE City ref Country,CountryPopulation Country 3 const 274 Using where
EXPLAIN
SELECT * FROM City WHERE Country='FIN';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City ref Country,CountryPopulation Country 3 const 7 Using index condition
1 SIMPLE City ref Country,CountryPopulation Country 3 const 7 Using where
EXPLAIN
SELECT * FROM City
WHERE ((Population > 101000 AND Population < 103000) OR Name LIKE 'Pas%')
@ -708,7 +708,7 @@ SELECT * FROM City
WHERE ((Population > 101000 AND Population < 103000) OR Name LIKE 'P%')
AND Country='FIN';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City ref Population,Country,Name,CountryPopulation Country 3 const 7 Using index condition; Using where
1 SIMPLE City ref Population,Country,Name,CountryPopulation Country 3 const 7 Using where
SELECT * FROM City
WHERE ((Population > 101000 AND Population < 103000) OR Name LIKE 'Pas%')
AND Country='USA';
@ -753,15 +753,15 @@ CREATE INDEX CountryName ON City(Country,Name);
EXPLAIN
SELECT * FROM City WHERE Country='USA';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City ref Country,CountryPopulation,CountryName Country 3 const 274 Using index condition
1 SIMPLE City ref Country,CountryPopulation,CountryName Country 3 const 274 Using where
EXPLAIN
SELECT * FROM City WHERE Country='FIN';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City ref Country,CountryPopulation,CountryName Country 3 const 7 Using index condition
1 SIMPLE City ref Country,CountryPopulation,CountryName Country 3 const 7 Using where
EXPLAIN
SELECT * FROM City WHERE Country='BRA';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City ref Country,CountryPopulation,CountryName Country 3 const 250 Using index condition
1 SIMPLE City ref Country,CountryPopulation,CountryName Country 3 const 250 Using where
EXPLAIN
SELECT * FROM City WHERE ID BETWEEN 3790 AND 3800;
id select_type table type possible_keys key key_len ref rows Extra
@ -789,15 +789,15 @@ id select_type table type possible_keys key key_len ref rows Extra
EXPLAIN
SELECT * FROM City WHERE (Population > 101000 AND Population < 102000);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population Population 4 NULL 38 Using index condition; Rowid-ordered scan
1 SIMPLE City range Population Population 4 NULL 38 Using where
EXPLAIN
SELECT * FROM City WHERE (Population > 101000 AND Population < 103000);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Population Population 4 NULL 80 Using index condition; Rowid-ordered scan
1 SIMPLE City range Population Population 4 NULL 80 Using where
EXPLAIN
SELECT * FROM City WHERE Name LIKE 'Pa%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range Name Name 35 NULL 71 Using index condition; Rowid-ordered scan
1 SIMPLE City range Name Name 35 NULL 71 Using where
EXPLAIN
SELECT * FROM City
WHERE ((Population > 101000 AND Population < 102000) OR
@ -818,7 +818,7 @@ WHERE ((Population > 101000 AND Population < 110000) OR
ID BETWEEN 3500 AND 3800) AND Country='FIN'
AND (Name BETWEEN 'P' AND 'T' OR ID BETWEEN 4000 AND 4300);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City ref PRIMARY,Population,Country,Name,CountryPopulation,CountryName Country 3 const 7 Using index condition; Using where
1 SIMPLE City ref PRIMARY,Population,Country,Name,CountryPopulation,CountryName Country 3 const 7 Using where
SELECT * FROM City USE INDEX ()
WHERE ((Population > 101000 AND Population < 102000) OR
ID BETWEEN 3790 AND 3800) AND Country='USA'
@ -950,14 +950,14 @@ WHERE ((Population > 101000 AND Population < 11000) OR
ID BETWEEN 3500 AND 3800) AND Country='USA'
AND (Name LIKE 'P%' OR ID BETWEEN 4000 AND 4300);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY,Population,Country,Name,CountryPopulation,CountryName CountryName 38 NULL 18 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE City range PRIMARY,Population,Country,Name,CountryPopulation,CountryName CountryName 38 NULL 18 Using where
EXPLAIN
SELECT * FROM City
WHERE ((Population > 101000 AND Population < 11000) OR
ID BETWEEN 3500 AND 3800) AND Country='USA'
AND (Name LIKE 'Pho%' OR ID BETWEEN 4000 AND 4300);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE City range PRIMARY,Population,Country,Name,CountryPopulation,CountryName Name 35 NULL 1 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE City range PRIMARY,Population,Country,Name,CountryPopulation,CountryName Name 35 NULL 1 Using where
SELECT * FROM City USE INDEX ()
WHERE ((Population > 101000 AND Population < 11000) OR
ID BETWEEN 3500 AND 3800) AND Country='USA'
@ -1378,5 +1378,42 @@ SELECT * FROM t1,t2,t3
WHERE (t2.f3 = 1 OR t3.f1=t2.f1) AND t3.f1 <> t2.f2 AND t3.f2 = t2.f4;
f1 f1 f2 f3 f4 f1 f2
DROP TABLE t1,t2,t3;
CREATE TABLE t1 (
a int, b int, c int, d int,
PRIMARY KEY(b), INDEX idx1(d), INDEX idx2(d,b,c)
);
INSERT INTO t1 VALUES
(0,58,7,7),(0,63,2,0),(0,64,186,8),(0,65,1,-2), (0,71,190,-3),
(0,72,321,-7),(0,73,0,3),(0,74,5,25),(0,75,5,3);
SET SESSION optimizer_switch='index_merge_sort_union=off';
EXPLAIN
SELECT * FROM t1
WHERE t1.b>7 AND t1.d>1 AND t1.d<>8 OR t1.d>=7 AND t1.d<8 OR t1.d>7;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL PRIMARY,idx1,idx2 NULL NULL NULL 9 Using where
SELECT * FROM t1
WHERE t1.b>7 AND t1.d>1 AND t1.d<>8 OR t1.d>=7 AND t1.d<8 OR t1.d>7;
a b c d
0 58 7 7
0 64 186 8
0 73 0 3
0 74 5 25
0 75 5 3
SET SESSION optimizer_switch='index_merge_sort_union=on';
EXPLAIN
SELECT * FROM t1
WHERE t1.b>7 AND t1.d>1 AND t1.d<>8 OR t1.d>=7 AND t1.d<8 OR t1.d>7;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL PRIMARY,idx1,idx2 NULL NULL NULL 9 Using where
SELECT * FROM t1
WHERE t1.b>7 AND t1.d>1 AND t1.d<>8 OR t1.d>=7 AND t1.d<8 OR t1.d>7;
a b c d
0 58 7 7
0 64 186 8
0 73 0 3
0 74 5 25
0 75 5 3
SET SESSION optimizer_switch=DEFAULT;
DROP TABLE t1;
set session optimizer_switch='index_merge_sort_intersection=default';
SET SESSION STORAGE_ENGINE=DEFAULT;

115
mysql-test/r/select.result
View File

@ -185,37 +185,37 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range fld1 fld1 4 NULL 4 Using where; Using index
select fld1,fld3 from t2 where companynr = 37 and fld3 like 'f%';
fld1 fld3
012001 flanking
013602 foldout
013606 fingerings
218401 faithful
018007 fanatic
228311 fated
018017 featherweight
218022 feed
088303 feminine
058004 Fenton
038017 fetched
018054 fetters
208101 fiftieth
238007 filial
013606 fingerings
218008 finishers
038205 firearm
188505 fitting
202301 Fitzpatrick
238008 fixedly
012001 flanking
018103 flint
018104 flopping
036002 funereal
038017 fetched
038205 firearm
058004 Fenton
088303 feminine
186002 freakish
188007 flurried
188505 fitting
198006 furthermore
202301 Fitzpatrick
208101 fiftieth
208113 freest
218008 finishers
218022 feed
218401 faithful
013602 foldout
226205 foothill
226209 furnishings
228306 forthcoming
228311 fated
231315 freezes
232102 forgivably
238007 filial
238008 fixedly
228306 forthcoming
186002 freakish
208113 freest
231315 freezes
036002 funereal
226209 furnishings
198006 furthermore
select fld3 from t2 where fld3 like "L%" and fld3 = "ok";
fld3
select fld3 from t2 where (fld3 like "C%" and fld3 = "Chantilly");
@ -2394,6 +2394,7 @@ CREATE TABLE t1 ( a BLOB, INDEX (a(20)) );
CREATE TABLE t2 ( a BLOB, INDEX (a(20)) );
INSERT INTO t1 VALUES ('one'),('two'),('three'),('four'),('five');
INSERT INTO t2 VALUES ('one'),('two'),('three'),('four'),('five');
INSERT INTO t2 VALUES ('one'),('two'),('three'),('four'),('five');
EXPLAIN SELECT * FROM t1 LEFT JOIN t2 USE INDEX (a) ON t1.a=t2.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 5
@ -3417,7 +3418,7 @@ SELECT t2.sku, t2.sppr, t2.name, t1.sku, t1.pr
FROM t2, t1 WHERE t2.sku=20 AND (t2.sku=t1.sku OR t2.sppr=t1.sku);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 2 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 2 Using where
DROP TABLE t1,t2;
CREATE TABLE t1 (i TINYINT UNSIGNED NOT NULL);
INSERT t1 SET i = 0;
@ -3453,7 +3454,7 @@ In next EXPLAIN, B.rows must be exactly 10:
explain select * from t2 A, t2 B where A.a=5 and A.b=5 and A.C<5
and B.a=5 and B.b=A.e and (B.b =1 or B.b = 3 or B.b=5);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE A range PRIMARY PRIMARY 12 NULL 4 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE A range PRIMARY PRIMARY 12 NULL 4 Using where
1 SIMPLE B ref PRIMARY PRIMARY 8 const,test.A.e 10
drop table t1, t2;
CREATE TABLE t1 (a int PRIMARY KEY, b int, INDEX(b));
@ -3467,12 +3468,12 @@ INSERT INTO t2 VALUES
EXPLAIN
SELECT a, c, d, f FROM t1,t2 WHERE a=c AND b BETWEEN 4 AND 6;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY,b b 5 NULL 3 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range PRIMARY,b b 5 NULL 3 Using where
1 SIMPLE t2 ref c c 5 test.t1.a 2
EXPLAIN
SELECT a, c, d, f FROM t1,t2 WHERE a=c AND b BETWEEN 4 AND 6 AND a > 0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY,b b 5 NULL 3 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t1 range PRIMARY,b b 5 NULL 3 Using where
1 SIMPLE t2 ref c c 5 test.t1.a 2
DROP TABLE t1, t2;
create table t1 (
@ -3562,19 +3563,19 @@ EXPLAIN SELECT t2.*
FROM t1 JOIN t2 ON t2.fk=t1.pk
WHERE t2.fk < 'c' AND t2.pk=t1.fk;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 3 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 3 Using where
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 18 test.t1.fk 1 Using where
EXPLAIN SELECT t2.*
FROM t1 JOIN t2 ON t2.fk=t1.pk
WHERE t2.fk BETWEEN 'a' AND 'b' AND t2.pk=t1.fk;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 2 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 2 Using where
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 18 test.t1.fk 1 Using where
EXPLAIN SELECT t2.*
FROM t1 JOIN t2 ON t2.fk=t1.pk
WHERE t2.fk IN ('a','b') AND t2.pk=t1.fk;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 2 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 2 Using where
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 18 test.t1.fk 1 Using where
DROP TABLE t1,t2;
CREATE TABLE t1 (a int, b varchar(20) NOT NULL, PRIMARY KEY(a));
@ -3608,7 +3609,7 @@ WHERE t1.id = 8 AND t2.i BETWEEN t1.b AND t1.e AND
t3.a=t2.a AND t3.c IN ('bb','ee');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t2 range si si 5 NULL 4 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t2 range si si 5 NULL 4 Using where
1 SIMPLE t3 eq_ref PRIMARY,ci PRIMARY 4 test.t2.a 1 Using where
EXPLAIN
SELECT t3.a FROM t1,t2,t3
@ -3616,7 +3617,7 @@ WHERE t1.id = 8 AND t2.i BETWEEN t1.b AND t1.e AND
t3.a=t2.a AND t3.c IN ('bb','ee') ;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t2 range si,ai si 5 NULL 4 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t2 range si,ai si 5 NULL 4 Using where
1 SIMPLE t3 eq_ref PRIMARY,ci PRIMARY 4 test.t2.a 1 Using where
EXPLAIN
SELECT t3.a FROM t1,t2 FORCE INDEX (si),t3
@ -3624,7 +3625,7 @@ WHERE t1.id = 8 AND (t2.i=t1.b OR t2.i=t1.e) AND t3.a=t2.a AND
t3.c IN ('bb','ee');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t2 range si si 5 NULL 2 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t2 range si si 5 NULL 2 Using where
1 SIMPLE t3 eq_ref PRIMARY,ci PRIMARY 4 test.t2.a 1 Using where
EXPLAIN
SELECT t3.a FROM t1,t2,t3
@ -3632,7 +3633,7 @@ WHERE t1.id = 8 AND (t2.i=t1.b OR t2.i=t1.e) AND t3.a=t2.a AND
t3.c IN ('bb','ee');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t2 range si,ai si 5 NULL 2 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t2 range si,ai si 5 NULL 2 Using where
1 SIMPLE t3 eq_ref PRIMARY,ci PRIMARY 4 test.t2.a 1 Using where
DROP TABLE t1,t2,t3;
CREATE TABLE t1 ( f1 int primary key, f2 int, f3 int, f4 int, f5 int, f6 int, checked_out int);
@ -3752,7 +3753,7 @@ AND t1.ts BETWEEN t2.dt1 AND t2.dt2
AND t1.ts BETWEEN "2006-01-01" AND "2006-12-31";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t1 range ts ts 4 NULL 1 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t1 range ts ts 4 NULL 1 Using where
SELECT * FROM t1 LEFT JOIN t2 ON (t1.a=t2.a) WHERE t1.a=30
AND t1.ts BETWEEN t2.dt1 AND t2.dt2
AND t1.ts BETWEEN "2006-01-01" AND "2006-12-31";
@ -4377,12 +4378,12 @@ CREATE TABLE t1 (a INT KEY, b INT);
INSERT INTO t1 VALUES (1,1), (2,2), (3,3), (4,4);
EXPLAIN EXTENDED SELECT a, b FROM t1 WHERE a > 1 AND a = b LIMIT 2;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 3 100.00 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 3 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where ((`test`.`t1`.`b` = `test`.`t1`.`a`) and (`test`.`t1`.`a` > 1)) limit 2
EXPLAIN EXTENDED SELECT a, b FROM t1 WHERE a > 1 AND b = a LIMIT 2;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 3 100.00 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 3 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where ((`test`.`t1`.`b` = `test`.`t1`.`a`) and (`test`.`t1`.`a` > 1)) limit 2
DROP TABLE t1;
@ -4895,6 +4896,7 @@ INSERT INTO t3 VALUES
(4,'z'), (3,'zzz'), (5,'zzzzz'), (3,'z'), (4,'zzz'), (3,'zzzz'),
(9,'zzzzz'), (2,'zzz'), (1,'zzzz'), (9,'zzz'), (1,'zzzz'), (5,'zzzzz'),
(4,'zzz'), (3,'zzzz'), (5,'zzzz'), (3,'zzz'), (4,'zz'), (3,'zzzzz');
set @tmp= @@optimizer_switch;
SET SESSION optimizer_switch='index_condition_pushdown=off';
EXPLAIN SELECT * from t1,t2,t3 WHERE t3.a3=t1.a1 AND t2.a2=t1.a1;
id select_type table type possible_keys key key_len ref rows Extra
@ -4974,7 +4976,7 @@ a1 b1 a2 b2 a3 b3
2 xx 2 y 2 zzzz
2 xx 2 yy 2 zz
2 xx 2 yy 2 zzz
SET SESSION optimizer_switch=DEFAULT;
SET SESSION optimizer_switch=@tmp;
DROP TABLE t1,t2,t3;
#
# Bug #707555: crash with equality substitution in ref
@ -5030,3 +5032,40 @@ SELECT * FROM t1 WHERE a = b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 system NULL NULL NULL NULL 1
DROP TABLE t1;
#
# lp:822760 Wrong result with view + invalid dates
#
CREATE TABLE t1 (f1 date);
INSERT IGNORE INTO t1 VALUES ('0000-00-00');
CREATE OR REPLACE VIEW v1 AS SELECT * FROM t1;
SELECT * FROM t1 HAVING f1 = 'zz';
f1
0000-00-00
Warnings:
Warning 1292 Incorrect datetime value: 'zz'
SELECT * FROM t1 HAVING f1 <= 'aa' ;
f1
0000-00-00
Warnings:
Warning 1292 Incorrect datetime value: 'aa'
SELECT * FROM t1 HAVING f1 = 'zz' AND f1 <= 'aa' ;
f1
0000-00-00
Warnings:
Warning 1292 Incorrect datetime value: 'zz'
Warning 1292 Incorrect datetime value: 'aa'
SELECT * FROM t1 WHERE f1 = 'zz' AND f1 <= 'aa' ;
f1
0000-00-00
Warnings:
Warning 1292 Incorrect datetime value: 'zz'
Warning 1292 Incorrect datetime value: 'aa'
Warning 1292 Incorrect datetime value: 'zz'
SELECT * FROM v1 HAVING f1 = 'zz' AND f1 <= 'aa' ;
f1
0000-00-00
Warnings:
Warning 1292 Incorrect datetime value: 'zz'
Warning 1292 Incorrect datetime value: 'aa'
DROP TABLE t1;
DROP VIEW v1;

45
mysql-test/r/select_jcl6.result
View File

@ -1,6 +1,8 @@
set @save_optimizer_switch_jcl6=@@optimizer_switch;
set @@optimizer_switch='optimize_join_buffer_size=on';
set @@optimizer_switch='semijoin_with_cache=on';
set @@optimizer_switch='outer_join_with_cache=on';
set @@optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
set join_cache_level=6;
show variables like 'join_cache_level';
Variable_name Value
@ -2401,6 +2403,7 @@ CREATE TABLE t1 ( a BLOB, INDEX (a(20)) );
CREATE TABLE t2 ( a BLOB, INDEX (a(20)) );
INSERT INTO t1 VALUES ('one'),('two'),('three'),('four'),('five');
INSERT INTO t2 VALUES ('one'),('two'),('three'),('four'),('five');
INSERT INTO t2 VALUES ('one'),('two'),('three'),('four'),('five');
EXPLAIN SELECT * FROM t1 LEFT JOIN t2 USE INDEX (a) ON t1.a=t2.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 5
@ -3424,7 +3427,7 @@ SELECT t2.sku, t2.sppr, t2.name, t1.sku, t1.pr
FROM t2, t1 WHERE t2.sku=20 AND (t2.sku=t1.sku OR t2.sppr=t1.sku);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 2 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 2 Using index condition; Using where; Rowid-ordered scan
DROP TABLE t1,t2;
CREATE TABLE t1 (i TINYINT UNSIGNED NOT NULL);
INSERT t1 SET i = 0;
@ -4902,6 +4905,7 @@ INSERT INTO t3 VALUES
(4,'z'), (3,'zzz'), (5,'zzzzz'), (3,'z'), (4,'zzz'), (3,'zzzz'),
(9,'zzzzz'), (2,'zzz'), (1,'zzzz'), (9,'zzz'), (1,'zzzz'), (5,'zzzzz'),
(4,'zzz'), (3,'zzzz'), (5,'zzzz'), (3,'zzz'), (4,'zz'), (3,'zzzzz');
set @tmp= @@optimizer_switch;
SET SESSION optimizer_switch='index_condition_pushdown=off';
EXPLAIN SELECT * from t1,t2,t3 WHERE t3.a3=t1.a1 AND t2.a2=t1.a1;
id select_type table type possible_keys key key_len ref rows Extra
@ -4981,7 +4985,7 @@ a1 b1 a2 b2 a3 b3
2 xx 2 y 2 zzzz
2 xx 2 yy 2 zz
2 xx 2 yy 2 zzz
SET SESSION optimizer_switch=DEFAULT;
SET SESSION optimizer_switch=@tmp;
DROP TABLE t1,t2,t3;
#
# Bug #707555: crash with equality substitution in ref
@ -5037,6 +5041,43 @@ SELECT * FROM t1 WHERE a = b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 system NULL NULL NULL NULL 1
DROP TABLE t1;
#
# lp:822760 Wrong result with view + invalid dates
#
CREATE TABLE t1 (f1 date);
INSERT IGNORE INTO t1 VALUES ('0000-00-00');
CREATE OR REPLACE VIEW v1 AS SELECT * FROM t1;
SELECT * FROM t1 HAVING f1 = 'zz';
f1
0000-00-00
Warnings:
Warning 1292 Incorrect datetime value: 'zz'
SELECT * FROM t1 HAVING f1 <= 'aa' ;
f1
0000-00-00
Warnings:
Warning 1292 Incorrect datetime value: 'aa'
SELECT * FROM t1 HAVING f1 = 'zz' AND f1 <= 'aa' ;
f1
0000-00-00
Warnings:
Warning 1292 Incorrect datetime value: 'zz'
Warning 1292 Incorrect datetime value: 'aa'
SELECT * FROM t1 WHERE f1 = 'zz' AND f1 <= 'aa' ;
f1
0000-00-00
Warnings:
Warning 1292 Incorrect datetime value: 'zz'
Warning 1292 Incorrect datetime value: 'aa'
Warning 1292 Incorrect datetime value: 'zz'
SELECT * FROM v1 HAVING f1 = 'zz' AND f1 <= 'aa' ;
f1
0000-00-00
Warnings:
Warning 1292 Incorrect datetime value: 'zz'
Warning 1292 Incorrect datetime value: 'aa'
DROP TABLE t1;
DROP VIEW v1;
set join_cache_level=default;
show variables like 'join_cache_level';
Variable_name Value

115
mysql-test/r/select_pkeycache.result
View File

@ -185,37 +185,37 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range fld1 fld1 4 NULL 4 Using where; Using index
select fld1,fld3 from t2 where companynr = 37 and fld3 like 'f%';
fld1 fld3
012001 flanking
013602 foldout
013606 fingerings
218401 faithful
018007 fanatic
228311 fated
018017 featherweight
218022 feed
088303 feminine
058004 Fenton
038017 fetched
018054 fetters
208101 fiftieth
238007 filial
013606 fingerings
218008 finishers
038205 firearm
188505 fitting
202301 Fitzpatrick
238008 fixedly
012001 flanking
018103 flint
018104 flopping
036002 funereal
038017 fetched
038205 firearm
058004 Fenton
088303 feminine
186002 freakish
188007 flurried
188505 fitting
198006 furthermore
202301 Fitzpatrick
208101 fiftieth
208113 freest
218008 finishers
218022 feed
218401 faithful
013602 foldout
226205 foothill
226209 furnishings
228306 forthcoming
228311 fated
231315 freezes
232102 forgivably
238007 filial
238008 fixedly
228306 forthcoming
186002 freakish
208113 freest
231315 freezes
036002 funereal
226209 furnishings
198006 furthermore
select fld3 from t2 where fld3 like "L%" and fld3 = "ok";
fld3
select fld3 from t2 where (fld3 like "C%" and fld3 = "Chantilly");
@ -2394,6 +2394,7 @@ CREATE TABLE t1 ( a BLOB, INDEX (a(20)) );
CREATE TABLE t2 ( a BLOB, INDEX (a(20)) );
INSERT INTO t1 VALUES ('one'),('two'),('three'),('four'),('five');
INSERT INTO t2 VALUES ('one'),('two'),('three'),('four'),('five');
INSERT INTO t2 VALUES ('one'),('two'),('three'),('four'),('five');
EXPLAIN SELECT * FROM t1 LEFT JOIN t2 USE INDEX (a) ON t1.a=t2.a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 5
@ -3417,7 +3418,7 @@ SELECT t2.sku, t2.sppr, t2.name, t1.sku, t1.pr
FROM t2, t1 WHERE t2.sku=20 AND (t2.sku=t1.sku OR t2.sppr=t1.sku);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 2 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 2 Using where
DROP TABLE t1,t2;
CREATE TABLE t1 (i TINYINT UNSIGNED NOT NULL);
INSERT t1 SET i = 0;
@ -3453,7 +3454,7 @@ In next EXPLAIN, B.rows must be exactly 10:
explain select * from t2 A, t2 B where A.a=5 and A.b=5 and A.C<5
and B.a=5 and B.b=A.e and (B.b =1 or B.b = 3 or B.b=5);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE A range PRIMARY PRIMARY 12 NULL 4 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE A range PRIMARY PRIMARY 12 NULL 4 Using where
1 SIMPLE B ref PRIMARY PRIMARY 8 const,test.A.e 10
drop table t1, t2;
CREATE TABLE t1 (a int PRIMARY KEY, b int, INDEX(b));
@ -3467,12 +3468,12 @@ INSERT INTO t2 VALUES
EXPLAIN
SELECT a, c, d, f FROM t1,t2 WHERE a=c AND b BETWEEN 4 AND 6;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY,b b 5 NULL 3 Using index condition; Rowid-ordered scan
1 SIMPLE t1 range PRIMARY,b b 5 NULL 3 Using where
1 SIMPLE t2 ref c c 5 test.t1.a 2
EXPLAIN
SELECT a, c, d, f FROM t1,t2 WHERE a=c AND b BETWEEN 4 AND 6 AND a > 0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY,b b 5 NULL 3 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t1 range PRIMARY,b b 5 NULL 3 Using where
1 SIMPLE t2 ref c c 5 test.t1.a 2
DROP TABLE t1, t2;
create table t1 (
@ -3562,19 +3563,19 @@ EXPLAIN SELECT t2.*
FROM t1 JOIN t2 ON t2.fk=t1.pk
WHERE t2.fk < 'c' AND t2.pk=t1.fk;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 3 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 3 Using where
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 18 test.t1.fk 1 Using where
EXPLAIN SELECT t2.*
FROM t1 JOIN t2 ON t2.fk=t1.pk
WHERE t2.fk BETWEEN 'a' AND 'b' AND t2.pk=t1.fk;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 2 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 2 Using where
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 18 test.t1.fk 1 Using where
EXPLAIN SELECT t2.*
FROM t1 JOIN t2 ON t2.fk=t1.pk
WHERE t2.fk IN ('a','b') AND t2.pk=t1.fk;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 2 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t1 range PRIMARY PRIMARY 12 NULL 2 Using where
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 18 test.t1.fk 1 Using where
DROP TABLE t1,t2;
CREATE TABLE t1 (a int, b varchar(20) NOT NULL, PRIMARY KEY(a));
@ -3608,7 +3609,7 @@ WHERE t1.id = 8 AND t2.i BETWEEN t1.b AND t1.e AND
t3.a=t2.a AND t3.c IN ('bb','ee');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t2 range si si 5 NULL 4 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t2 range si si 5 NULL 4 Using where
1 SIMPLE t3 eq_ref PRIMARY,ci PRIMARY 4 test.t2.a 1 Using where
EXPLAIN
SELECT t3.a FROM t1,t2,t3
@ -3616,7 +3617,7 @@ WHERE t1.id = 8 AND t2.i BETWEEN t1.b AND t1.e AND
t3.a=t2.a AND t3.c IN ('bb','ee') ;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t2 range si,ai si 5 NULL 4 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t2 range si,ai si 5 NULL 4 Using where
1 SIMPLE t3 eq_ref PRIMARY,ci PRIMARY 4 test.t2.a 1 Using where
EXPLAIN
SELECT t3.a FROM t1,t2 FORCE INDEX (si),t3
@ -3624,7 +3625,7 @@ WHERE t1.id = 8 AND (t2.i=t1.b OR t2.i=t1.e) AND t3.a=t2.a AND
t3.c IN ('bb','ee');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t2 range si si 5 NULL 2 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t2 range si si 5 NULL 2 Using where
1 SIMPLE t3 eq_ref PRIMARY,ci PRIMARY 4 test.t2.a 1 Using where
EXPLAIN
SELECT t3.a FROM t1,t2,t3
@ -3632,7 +3633,7 @@ WHERE t1.id = 8 AND (t2.i=t1.b OR t2.i=t1.e) AND t3.a=t2.a AND
t3.c IN ('bb','ee');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t2 range si,ai si 5 NULL 2 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t2 range si,ai si 5 NULL 2 Using where
1 SIMPLE t3 eq_ref PRIMARY,ci PRIMARY 4 test.t2.a 1 Using where
DROP TABLE t1,t2,t3;
CREATE TABLE t1 ( f1 int primary key, f2 int, f3 int, f4 int, f5 int, f6 int, checked_out int);
@ -3752,7 +3753,7 @@ AND t1.ts BETWEEN t2.dt1 AND t2.dt2
AND t1.ts BETWEEN "2006-01-01" AND "2006-12-31";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 const PRIMARY PRIMARY 4 const 1
1 SIMPLE t1 range ts ts 4 NULL 1 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t1 range ts ts 4 NULL 1 Using where
SELECT * FROM t1 LEFT JOIN t2 ON (t1.a=t2.a) WHERE t1.a=30
AND t1.ts BETWEEN t2.dt1 AND t2.dt2
AND t1.ts BETWEEN "2006-01-01" AND "2006-12-31";
@ -4377,12 +4378,12 @@ CREATE TABLE t1 (a INT KEY, b INT);
INSERT INTO t1 VALUES (1,1), (2,2), (3,3), (4,4);
EXPLAIN EXTENDED SELECT a, b FROM t1 WHERE a > 1 AND a = b LIMIT 2;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 3 100.00 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 3 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where ((`test`.`t1`.`b` = `test`.`t1`.`a`) and (`test`.`t1`.`a` > 1)) limit 2
EXPLAIN EXTENDED SELECT a, b FROM t1 WHERE a > 1 AND b = a LIMIT 2;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 3 100.00 Using index condition; Using where; Rowid-ordered scan
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 3 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where ((`test`.`t1`.`b` = `test`.`t1`.`a`) and (`test`.`t1`.`a` > 1)) limit 2
DROP TABLE t1;
@ -4895,6 +4896,7 @@ INSERT INTO t3 VALUES
(4,'z'), (3,'zzz'), (5,'zzzzz'), (3,'z'), (4,'zzz'), (3,'zzzz'),
(9,'zzzzz'), (2,'zzz'), (1,'zzzz'), (9,'zzz'), (1,'zzzz'), (5,'zzzzz'),
(4,'zzz'), (3,'zzzz'), (5,'zzzz'), (3,'zzz'), (4,'zz'), (3,'zzzzz');
set @tmp= @@optimizer_switch;
SET SESSION optimizer_switch='index_condition_pushdown=off';
EXPLAIN SELECT * from t1,t2,t3 WHERE t3.a3=t1.a1 AND t2.a2=t1.a1;
id select_type table type possible_keys key key_len ref rows Extra
@ -4974,7 +4976,7 @@ a1 b1 a2 b2 a3 b3
2 xx 2 y 2 zzzz
2 xx 2 yy 2 zz
2 xx 2 yy 2 zzz
SET SESSION optimizer_switch=DEFAULT;
SET SESSION optimizer_switch=@tmp;
DROP TABLE t1,t2,t3;
#
# Bug #707555: crash with equality substitution in ref
@ -5030,3 +5032,40 @@ SELECT * FROM t1 WHERE a = b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 system NULL NULL NULL NULL 1
DROP TABLE t1;
#
# lp:822760 Wrong result with view + invalid dates
#
CREATE TABLE t1 (f1 date);
INSERT IGNORE INTO t1 VALUES ('0000-00-00');
CREATE OR REPLACE VIEW v1 AS SELECT * FROM t1;
SELECT * FROM t1 HAVING f1 = 'zz';
f1
0000-00-00
Warnings:
Warning 1292 Incorrect datetime value: 'zz'
SELECT * FROM t1 HAVING f1 <= 'aa' ;
f1
0000-00-00
Warnings:
Warning 1292 Incorrect datetime value: 'aa'
SELECT * FROM t1 HAVING f1 = 'zz' AND f1 <= 'aa' ;
f1
0000-00-00
Warnings:
Warning 1292 Incorrect datetime value: 'zz'
Warning 1292 Incorrect datetime value: 'aa'
SELECT * FROM t1 WHERE f1 = 'zz' AND f1 <= 'aa' ;
f1
0000-00-00
Warnings:
Warning 1292 Incorrect datetime value: 'zz'
Warning 1292 Incorrect datetime value: 'aa'
Warning 1292 Incorrect datetime value: 'zz'
SELECT * FROM v1 HAVING f1 = 'zz' AND f1 <= 'aa' ;
f1
0000-00-00
Warnings:
Warning 1292 Incorrect datetime value: 'zz'
Warning 1292 Incorrect datetime value: 'aa'
DROP TABLE t1;
DROP VIEW v1;

6
mysql-test/r/select_safe.result
View File

@ -64,14 +64,16 @@ analyze table t1;
Table Op Msg_type Msg_text
test.t1 analyze status OK
insert into t1 values (null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a");
insert into t1 values (null,"b"),(null,"b"),(null,"c"),(null,"c"),(null,"d"),(null,"d"),(null,"e"),(null,"e"),(null,"a"),(null,"e");
insert into t1 values (null,"x"),(null,"x"),(null,"y"),(null,"y"),(null,"z"),(null,"z"),(null,"v"),(null,"v"),(null,"a"),(null,"v");
explain select STRAIGHT_JOIN * from t1,t1 as t2 where t1.b=t2.b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL b NULL NULL NULL 21 Using where
1 SIMPLE t1 ALL b NULL NULL NULL 41 Using where
1 SIMPLE t2 ref b b 21 test.t1.b 6
set MAX_SEEKS_FOR_KEY=1;
explain select STRAIGHT_JOIN * from t1,t1 as t2 where t1.b=t2.b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL b NULL NULL NULL 21 Using where
1 SIMPLE t1 ALL b NULL NULL NULL 41 Using where
1 SIMPLE t2 ref b b 21 test.t1.b 6
SET MAX_SEEKS_FOR_KEY=DEFAULT;
drop table t1;

10
mysql-test/r/sp-threads.result
View File

@ -33,11 +33,11 @@ call bug9486();
lock tables t2 write;
call bug9486();
show processlist;
Id User Host db Command Time State Info
# root localhost test Sleep # NULL
# root localhost test Query # Table lock update t1, t2 set val= 1 where id1=id2
# root localhost test Query # NULL show processlist
# root localhost test Sleep # NULL
Id User Host db Command Time State Info Progress
# root localhost test Sleep # NULL 0.000
# root localhost test Query # Table lock update t1, t2 set val= 1 where id1=id2 0.000
# root localhost test Query # NULL show processlist 0.000
# root localhost test Sleep # NULL 0.000
unlock tables;
drop procedure bug9486;
drop table t1, t2;

6
mysql-test/r/sp.result
View File

@ -6420,16 +6420,16 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref c1 c1 5 const 1 Using index
EXPLAIN SELECT * FROM t1 WHERE c1=f1();
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref c1 c1 5 const 1 Using index
1 SIMPLE t1 ref c1 c1 5 const 0 Using index
EXPLAIN SELECT * FROM v1 WHERE c1=1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref c1 c1 5 const 1 Using index
EXPLAIN SELECT * FROM v1 WHERE c1=f1();
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref c1 c1 5 const 1 Using index
1 SIMPLE t1 ref c1 c1 5 const 0 Using index
EXPLAIN SELECT * FROM t1 WHERE c1=f2(10);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref c1 c1 5 const 1 Using index
1 SIMPLE t1 ref c1 c1 5 const 0 Using index
EXPLAIN SELECT * FROM t1 WHERE c1=f2(c1);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL c1 5 NULL 5 Using where; Using index

62
mysql-test/r/status.result
View File

@ -156,25 +156,33 @@ Variable_name Value
Com_show_status 3
show status like 'hand%write%';
Variable_name Value
Handler_tmp_write 0
Handler_write 0
show status like '%tmp%';
Variable_name Value
Created_tmp_disk_tables 0
Created_tmp_files 0
Created_tmp_tables 0
Handler_tmp_update 0
Handler_tmp_write 0
Rows_tmp_read 5
show status like 'hand%write%';
Variable_name Value
Handler_tmp_write 0
Handler_write 0
show status like '%tmp%';
Variable_name Value
Created_tmp_disk_tables 0
Created_tmp_files 0
Created_tmp_tables 0
Handler_tmp_update 0
Handler_tmp_write 0
Rows_tmp_read 13
show status like 'com_show_status';
Variable_name Value
Com_show_status 8
rnd_diff tmp_table_diff
20 8
28 8
flush status;
show status like 'Com%function';
Variable_name Value
@ -238,5 +246,57 @@ SELECT 9;
9
DROP PROCEDURE p1;
DROP FUNCTION f1;
flush status;
create table t1 (a int not null auto_increment primary key, g int, b blob);
insert into t1 (g,b) values (1,'a'), (2, 'b'), (3, 'b'), (1, 'c');
select * from t1;
a g b
1 1 a
2 2 b
3 3 b
4 1 c
select b, count(*) from t1 group by b;
b count(*)
a 1
b 2
c 1
select g, count(*) from t1 group by g;
g count(*)
1 2
2 1
3 1
show status like 'Row%';
Variable_name Value
Rows_read 12
Rows_sent 10
Rows_tmp_read 14
show status like 'Handler%';
Variable_name Value
Handler_commit 0
Handler_delete 0
Handler_discover 0
Handler_prepare 0
Handler_read_first 0
Handler_read_key 4
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 7
Handler_read_rnd_next 23
Handler_rollback 0
Handler_savepoint 0
Handler_savepoint_rollback 0
Handler_tmp_update 2
Handler_tmp_write 7
Handler_update 0
Handler_write 4
show status like '%tmp%';
Variable_name Value
Created_tmp_disk_tables 1
Created_tmp_files 0
Created_tmp_tables 2
Handler_tmp_update 2
Handler_tmp_write 7
Rows_tmp_read 34
drop table t1;
set @@global.concurrent_insert= @old_concurrent_insert;
SET GLOBAL log_output = @old_log_output;

36
mysql-test/r/status_user.result
View File

@ -94,6 +94,7 @@ show status like "rows%";
Variable_name Value
Rows_read 6
Rows_sent 1
Rows_tmp_read 0
show status like "ha%";
Variable_name Value
Handler_commit 19
@ -109,6 +110,8 @@ Handler_read_rnd_next 5
Handler_rollback 2
Handler_savepoint 0
Handler_savepoint_rollback 0
Handler_tmp_update 0
Handler_tmp_write 0
Handler_update 5
Handler_write 7
select variable_value - @global_read_key as "handler_read_key" from information_schema.global_status where variable_name="handler_read_key";
@ -133,7 +136,7 @@ CONCURRENT_CONNECTIONS 0
ROWS_READ 6
ROWS_SENT 2
ROWS_DELETED 1
ROWS_INSERTED 8
ROWS_INSERTED 7
ROWS_UPDATED 5
SELECT_COMMANDS 3
UPDATE_COMMANDS 11
@ -150,7 +153,7 @@ CONCURRENT_CONNECTIONS 0
ROWS_READ 6
ROWS_SENT 2
ROWS_DELETED 1
ROWS_INSERTED 8
ROWS_INSERTED 7
ROWS_UPDATED 5
SELECT_COMMANDS 3
UPDATE_COMMANDS 11
@ -183,4 +186,33 @@ bytes_sent <> 0, binlog_bytes_written <> 0
from information_schema.client_statistics;
connected_time <> 0 busy_time <> 0 bytes_received <> 0 bytes_sent <> 0 binlog_bytes_written <> 0
1 1 1 1 1
create table t1 (a int) engine=innodb;
select @@in_transaction;
@@in_transaction
0
begin;
select @@in_transaction;
@@in_transaction
1
insert into t1 values (1);
select @@in_transaction;
@@in_transaction
1
commit;
select @@in_transaction;
@@in_transaction
0
set @@autocommit=0;
select @@in_transaction;
@@in_transaction
0
insert into t1 values (2);
select @@in_transaction;
@@in_transaction
1
set @@autocommit=1;
select @@in_transaction;
@@in_transaction
0
drop table t1;
set @@global.general_log=@save_general_log;

606
mysql-test/r/subselect.result
View File

@ -1,7 +1,9 @@
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t11,t12;
drop view if exists v2;
set @save_optimizer_switch=@@optimizer_switch;
set @@optimizer_switch="partial_match_rowid_merge=off,partial_match_table_scan=off";
set @subselect_tmp=@@optimizer_switch;
set @@optimizer_switch=ifnull(@optimizer_switch_for_subselect_test,
"semijoin=on,firstmatch=on,loosescan=on,partial_match_rowid_merge=off,partial_match_table_scan=off");
set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
select (select 2);
(select 2)
2
@ -202,10 +204,11 @@ select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
explain extended select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
(select * from t2 where a>1) as tt;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
1 PRIMARY <derived3> ALL NULL NULL NULL NULL 2 100.00
3 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using where
2 SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using filesort
Warnings:
Note 1003 select (select `test`.`t3`.`a` from `test`.`t3` where (`test`.`t3`.`a` < 8) order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,`test`.`t2`.`a` AS `a` from `test`.`t2` where (`test`.`t2`.`a` > 1)
Note 1003 select (select `test`.`t3`.`a` from `test`.`t3` where (`test`.`t3`.`a` < 8) order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,`tt`.`a` AS `a` from (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where (`test`.`t2`.`a` > 1)) `tt`
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1);
a
2
@ -226,7 +229,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings:
Note 1276 Field or reference 'test.t4.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t4`.`b` AS `b`,(select avg((`test`.`t2`.`a` + (select min(`test`.`t3`.`a`) from `test`.`t3` where (`test`.`t3`.`a` >= `test`.`t4`.`a`)))) from `test`.`t2`) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4`
Note 1003 select `test`.`t4`.`b` AS `b`,<expr_cache><`test`.`t4`.`a`>((select avg((`test`.`t2`.`a` + (select min(`test`.`t3`.`a`) from `test`.`t3` where (`test`.`t3`.`a` >= `test`.`t4`.`a`)))) from `test`.`t2`)) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4`
select * from t3 where exists (select * from t2 where t2.b=t3.a);
a
7
@ -272,7 +275,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` >= (select min(`test`.`t2`.`b`) from `test`.`t2`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,((select min(`test`.`t2`.`b`) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))))
select * from t3 where a >= all (select b from t2);
a
7
@ -364,12 +367,12 @@ INSERT INTO t8 (pseudo,email) VALUES ('joce1','test1');
INSERT INTO t8 (pseudo,email) VALUES ('2joce1','2test1');
EXPLAIN EXTENDED SELECT pseudo,(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce')) FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index
1 PRIMARY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using where; Using index
4 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index
2 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00
2 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using where
3 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index
Warnings:
Note 1003 select 'joce' AS `pseudo`,(select 'test' from `test`.`t8` where ('joce' = (select 'joce' from `test`.`t8` where 1))) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where ('joce' = (select 'joce' from `test`.`t8` where 1))
Note 1003 select `test`.`t8`.`pseudo` AS `pseudo`,(select `test`.`t8`.`email` from `test`.`t8` where (`test`.`t8`.`pseudo` = (select 'joce' from `test`.`t8` where 1))) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where (`test`.`t8`.`pseudo` = (select 'joce' from `test`.`t8` where 1))
SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM
t8 WHERE pseudo='joce');
ERROR 21000: Operand should contain 1 column(s)
@ -540,18 +543,24 @@ SELECT numreponse, (SELECT numeropost FROM t1 HAVING numreponse=1) FROM (SELECT
numreponse (SELECT numeropost FROM t1 HAVING numreponse=1)
INSERT INTO t1 (numeropost,numreponse,pseudo) VALUES (1,1,'joce'),(1,2,'joce'),(1,3,'test');
EXPLAIN EXTENDED SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM t1 WHERE numeropost='1');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using where; Using index
2 SUBQUERY t1 ref PRIMARY PRIMARY 3 const 2 100.00 Using index
Warnings:
Note 1003 select `test`.`t1`.`numreponse` AS `numreponse` from `test`.`t1` where ((`test`.`t1`.`numeropost` = '1') and (`test`.`t1`.`numreponse` = (select 1 from `test`.`t1` where (`test`.`t1`.`numeropost` = '1'))))
SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM t1 WHERE numeropost='1');
ERROR 21000: Subquery returns more than 1 row
EXPLAIN EXTENDED SELECT MAX(numreponse) FROM t1 WHERE numeropost='1';
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings:
Note 1003 select max(`test`.`t1`.`numreponse`) AS `MAX(numreponse)` from `test`.`t1` where multiple equal(1, `test`.`t1`.`numeropost`)
Note 1003 select max(`test`.`t1`.`numreponse`) AS `MAX(numreponse)` from `test`.`t1` where (`test`.`t1`.`numeropost` = '1')
EXPLAIN EXTENDED SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT MAX(numreponse) FROM t1 WHERE numeropost='1');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using index
1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using where; Using index
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings:
Note 1003 select 3 AS `numreponse` from `test`.`t1` where ((3 = 3))
Note 1003 select `test`.`t1`.`numreponse` AS `numreponse` from `test`.`t1` where ((`test`.`t1`.`numeropost` = '1') and (`test`.`t1`.`numreponse` = (select max(`test`.`t1`.`numreponse`) from `test`.`t1` where (`test`.`t1`.`numeropost` = '1'))))
drop table t1;
CREATE TABLE t1 (a int(1));
INSERT INTO t1 VALUES (1);
@ -913,6 +922,131 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select `test`.`t2`.`a` from `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t2`.`a`) and ((<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`) or isnull(`test`.`t2`.`a`))) having <is_not_null_test>(`test`.`t2`.`a`)))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`
drop table t1,t2,t3;
# check correct NULL Processing for normal IN/ALL/ANY
# and 2 ways of max/min optimization
create table t1 (a int);
insert into t1 values (1), (100), (NULL), (1000);
create table t2 (a int not null);
# subselect returns empty set (for NULL and non-NULL left part)
select a, a in (select * from t2) from t1;
a a in (select * from t2)
1 0
100 0
NULL 0
1000 0
select a, a > any (select * from t2) from t1;
a a > any (select * from t2)
1 0
100 0
NULL 0
1000 0
select a, a > all (select * from t2) from t1;
a a > all (select * from t2)
1 1
100 1
NULL 1
1000 1
select a from t1 where a in (select * from t2);
a
select a from t1 where a > any (select * from t2);
a
select a from t1 where a > all (select * from t2);
a
1
100
NULL
1000
select a from t1 where a in (select * from t2 group by a);
a
select a from t1 where a > any (select * from t2 group by a);
a
select a from t1 where a > all (select * from t2 group by a);
a
1
100
NULL
1000
insert into t2 values (1),(200);
# sebselect returns non-empty set without NULLs
select a, a in (select * from t2) from t1;
a a in (select * from t2)
1 1
100 0
NULL NULL
1000 0
select a, a > any (select * from t2) from t1;
a a > any (select * from t2)
1 0
100 1
NULL NULL
1000 1
select a, a > all (select * from t2) from t1;
a a > all (select * from t2)
1 0
100 0
NULL NULL
1000 1
select a from t1 where a in (select * from t2);
a
1
select a from t1 where a > any (select * from t2);
a
100
1000
select a from t1 where a > all (select * from t2);
a
1000
select a from t1 where a in (select * from t2 group by a);
a
1
select a from t1 where a > any (select * from t2 group by a);
a
100
1000
select a from t1 where a > all (select * from t2 group by a);
a
1000
drop table t2;
create table t2 (a int);
insert into t2 values (1),(NULL),(200);
# sebselect returns non-empty set with NULLs
select a, a in (select * from t2) from t1;
a a in (select * from t2)
1 1
100 NULL
NULL NULL
1000 NULL
select a, a > any (select * from t2) from t1;
a a > any (select * from t2)
1 NULL
100 1
NULL NULL
1000 1
select a, a > all (select * from t2) from t1;
a a > all (select * from t2)
1 0
100 0
NULL NULL
1000 NULL
select a from t1 where a in (select * from t2);
a
1
select a from t1 where a > any (select * from t2);
a
100
1000
select a from t1 where a > all (select * from t2);
a
select a from t1 where a in (select * from t2 group by a);
a
1
select a from t1 where a > any (select * from t2 group by a);
a
100
1000
select a from t1 where a > all (select * from t2 group by a);
a
drop table t1, t2;
create table t1 (a float);
select 10.5 IN (SELECT * from t1 LIMIT 1);
ERROR 42000: This version of MySQL doesn't yet support 'LIMIT & IN/ALL/ANY/SOME subquery'
@ -1236,7 +1370,7 @@ create table t1 (id int not null auto_increment primary key, salary int, key(sal
insert into t1 (salary) values (100),(1000),(10000),(10),(500),(5000),(50000);
explain extended SELECT id FROM t1 where salary = (SELECT MAX(salary) FROM t1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ref salary salary 5 const 1 100.00 Using index condition
1 PRIMARY t1 ref salary salary 5 const 0 0.00 Using index condition
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings:
Note 1003 select `test`.`t1`.`id` AS `id` from `test`.`t1` where (`test`.`t1`.`salary` = (select max(`test`.`t1`.`salary`) from `test`.`t1`))
@ -1342,7 +1476,7 @@ a
explain extended select * from t2 where t2.a in (select a from t1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index a a 5 NULL 4 100.00 Using where; Using index
1 PRIMARY t1 ref a a 5 test.t2.a 100 100.00 Using index; FirstMatch(t2)
1 PRIMARY t1 ref a a 5 test.t2.a 101 100.00 Using index; FirstMatch(t2)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) where (`test`.`t1`.`a` = `test`.`t2`.`a`)
select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
@ -1352,7 +1486,7 @@ a
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index a a 5 NULL 4 100.00 Using where; Using index
1 PRIMARY t1 ref a a 5 test.t2.a 100 100.00 Using where; Using index; FirstMatch(t2)
1 PRIMARY t1 ref a a 5 test.t2.a 101 100.00 Using where; Using index; FirstMatch(t2)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` <> 30))
select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
@ -1363,7 +1497,7 @@ explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index a a 5 NULL 4 100.00 Using where; Using index
1 PRIMARY t3 index a a 5 NULL 3 100.00 Using where; Using index
1 PRIMARY t1 ref a a 10 test.t2.a,test.t3.a 11 100.00 Using index; FirstMatch(t2)
1 PRIMARY t1 ref a a 10 test.t2.a,test.t3.a 116 100.00 Using index; FirstMatch(t2)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1` join `test`.`t3`) where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` = `test`.`t3`.`a`))
insert into t1 values (3,31);
@ -1379,7 +1513,7 @@ a
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index a a 5 NULL 4 100.00 Using where; Using index
1 PRIMARY t1 ref a a 5 test.t2.a 100 100.00 Using where; Using index; FirstMatch(t2)
1 PRIMARY t1 ref a a 5 test.t2.a 101 100.00 Using where; Using index; FirstMatch(t2)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` <> 30))
drop table t0, t1, t2, t3;
@ -1416,7 +1550,7 @@ INSERT INTO t1 VALUES ('z','?');
select * from t1 where s1 > (select max(s2) from t1);
ERROR HY000: Illegal mix of collations (latin1_german1_ci,IMPLICIT) and (latin1_swedish_ci,IMPLICIT) for operation '>'
select * from t1 where s1 > any (select max(s2) from t1);
ERROR HY000: Illegal mix of collations (latin1_german1_ci,IMPLICIT) and (latin1_swedish_ci,IMPLICIT) for operation '>'
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (latin1_german1_ci,IMPLICIT) for operation '<'
drop table t1;
create table t1(toid int,rd int);
create table t2(userid int,pmnew int,pmtotal int);
@ -1492,7 +1626,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,(not(<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL where (`test`.`t2`.`s1` < 'a2') having trigcond(<is_not_null_test>(`test`.`t2`.`s1`)))))))) AS `s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')` from `test`.`t1`
drop table t1,t2;
create table t2 (a int, b int);
create table t2 (a int, b int not null);
create table t3 (a int);
insert into t3 values (6),(7),(3);
select * from t3 where a >= all (select b from t2);
@ -1505,7 +1639,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` < (select max(NULL) from `test`.`t2`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,((select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`))))
select * from t3 where a >= some (select b from t2);
a
explain extended select * from t3 where a >= some (select b from t2);
@ -1513,7 +1647,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` >= (select min(NULL) from `test`.`t2`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,((select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))))
select * from t3 where a >= all (select b from t2 group by 1);
a
6
@ -1524,7 +1658,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` < <max>(select NULL from `test`.`t2` group by 1))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(<max>(select NULL from `test`.`t2` group by 1) > <cache>(`test`.`t3`.`a`))))
select * from t3 where a >= some (select b from t2 group by 1);
a
explain extended select * from t3 where a >= some (select b from t2 group by 1);
@ -1532,7 +1666,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` >= <min>(select NULL from `test`.`t2` group by 1))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(<min>(select NULL from `test`.`t2` group by 1) <= <cache>(`test`.`t3`.`a`))))
select * from t3 where NULL >= any (select b from t2);
a
explain extended select * from t3 where NULL >= any (select b from t2);
@ -1540,7 +1674,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(NULL >= (select min(NULL) from `test`.`t2`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,((select min(NULL) from `test`.`t2`) <= NULL)))
select * from t3 where NULL >= any (select b from t2 group by 1);
a
explain extended select * from t3 where NULL >= any (select b from t2 group by 1);
@ -1548,7 +1682,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(NULL >= <min>(select NULL from `test`.`t2` group by 1))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(<min>(select NULL from `test`.`t2` group by 1) <= NULL)))
select * from t3 where NULL >= some (select b from t2);
a
explain extended select * from t3 where NULL >= some (select b from t2);
@ -1556,7 +1690,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(NULL >= (select min(NULL) from `test`.`t2`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,((select min(NULL) from `test`.`t2`) <= NULL)))
select * from t3 where NULL >= some (select b from t2 group by 1);
a
explain extended select * from t3 where NULL >= some (select b from t2 group by 1);
@ -1564,7 +1698,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(NULL >= <min>(select NULL from `test`.`t2` group by 1))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(<min>(select NULL from `test`.`t2` group by 1) <= NULL)))
insert into t2 values (2,2), (2,1), (3,3), (3,1);
select * from t3 where a > all (select max(b) from t2 group by a);
a
@ -1575,7 +1709,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 4 100.00 Using temporary
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` <= <max>(select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(<max>(select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`) >= <cache>(`test`.`t3`.`a`))))
drop table t2, t3;
CREATE TABLE `t1` ( `id` mediumint(9) NOT NULL auto_increment, `taskid` bigint(20) NOT NULL default '0', `dbid` int(11) NOT NULL default '0', `create_date` datetime NOT NULL default '0000-00-00 00:00:00', `last_update` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY (`id`)) ENGINE=MyISAM CHARSET=latin1 AUTO_INCREMENT=3 ;
INSERT INTO `t1` (`id`, `taskid`, `dbid`, `create_date`,`last_update`) VALUES (1, 1, 15, '2003-09-29 10:31:36', '2003-09-29 10:31:36'), (2, 1, 21, now(), now());
@ -1626,7 +1760,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 UNION t1 system NULL NULL NULL NULL 1 100.00
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings:
Note 1003 select 'e' AS `s1` from `test`.`t1` where <nop>(<in_optimizer>('f',('f' > <min>(select 'e' from `test`.`t1` union select 'e' from `test`.`t1`))))
Note 1003 select 'e' AS `s1` from `test`.`t1` where <nop>(<in_optimizer>('f',(<min>(select 'e' from `test`.`t1` union select 'e' from `test`.`t1`) < 'f')))
drop table t1;
CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874');
@ -2829,7 +2963,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`two`,`test`.`t1`.`one`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where ((`test`.`t2`.`flag` = '0') and trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`)))) having (trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`)))))) AS `test` from `test`.`t1`
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where ((`test`.`t2`.`flag` = '0') and trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`)))) having (trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`)))))) AS `test` from `test`.`t1`
explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
@ -2841,7 +2975,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where; Using temporary
Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`two`,`test`.`t1`.`one`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where (`test`.`t2`.`flag` = '0') group by `test`.`t2`.`one`,`test`.`t2`.`two` having (trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`))) and trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`)))))) AS `test` from `test`.`t1`
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where (`test`.`t2`.`flag` = '0') group by `test`.`t2`.`one`,`test`.`t2`.`two` having (trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`))) and trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`)))))) AS `test` from `test`.`t1`
DROP TABLE t1,t2;
CREATE TABLE t1 (a char(5), b char(5));
INSERT INTO t1 VALUES (NULL,'aaa'), ('aaa','aaa');
@ -2957,7 +3091,7 @@ ON r.a = (SELECT t2.a FROM t2 WHERE t2.c = t1.a AND t2.b <= '359899'
ORDER BY t2.c DESC, t2.b DESC LIMIT 1) WHERE t1.a = 10;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system PRIMARY NULL NULL NULL 1
1 PRIMARY r const PRIMARY PRIMARY 4 const 1
1 PRIMARY r eq_ref PRIMARY PRIMARY 4 const 1 Using where
2 DEPENDENT SUBQUERY t2 range b b 40 NULL 2 Using index condition
SELECT sql_no_cache t1.a, r.a, r.b FROM t1 LEFT JOIN t2 r
ON r.a = (SELECT t2.a FROM t2 WHERE t2.c = t1.a AND t2.b <= '359899'
@ -2969,7 +3103,7 @@ ON r.a = (SELECT t2.a FROM t2 WHERE t2.c = t1.a AND t2.b <= '359899'
ORDER BY t2.c, t2.b LIMIT 1) WHERE t1.a = 10;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system PRIMARY NULL NULL NULL 1
1 PRIMARY r const PRIMARY PRIMARY 4 const 1
1 PRIMARY r eq_ref PRIMARY PRIMARY 4 const 1 Using where
2 DEPENDENT SUBQUERY t2 range b b 40 NULL 2 Using index condition
SELECT sql_no_cache t1.a, r.a, r.b FROM t1 LEFT JOIN t2 r
ON r.a = (SELECT t2.a FROM t2 WHERE t2.c = t1.a AND t2.b <= '359899'
@ -4030,7 +4164,7 @@ CREATE TABLE t1 (a int, b int, KEY (a));
INSERT INTO t1 VALUES (1,1),(2,1);
EXPLAIN SELECT 1 FROM t1 WHERE a = (SELECT COUNT(*) FROM t1 GROUP BY b);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ref a a 5 const 1 Using where; Using index
1 PRIMARY t1 ref a a 5 const 0 Using where; Using index
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using temporary; Using filesort
DROP TABLE t1;
CREATE TABLE t1 (id int NOT NULL, st CHAR(2), INDEX idx(id));
@ -4803,7 +4937,6 @@ SELECT 1 FROM t1 GROUP BY
1
1
DROP TABLE t1;
set @@optimizer_switch=@save_optimizer_switch;
#
# Bug #49512 : subquery with aggregate function crash
# subselect_single_select_engine::exec()
@ -5105,6 +5238,167 @@ SELECT 1 as foo FROM t1 WHERE a < SOME
);
foo
DROP TABLE t1;
CREATE TABLE t1 (a int(11), b varchar(1));
INSERT INTO t1 VALUES (2,NULL),(5,'d'),(7,'g');
SELECT a FROM t1 WHERE b < ANY ( SELECT b FROM t1 GROUP BY b );
a
5
SELECT a FROM t1 WHERE b < ANY ( SELECT b FROM t1 );
a
5
SELECT a FROM t1 WHERE b > ANY ( SELECT b FROM t1 GROUP BY b );
a
7
SELECT a FROM t1 WHERE b > ANY ( SELECT b FROM t1 );
a
7
SELECT a FROM t1 WHERE b <= ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b <= ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b >= ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b >= ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b = ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b = ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b <> ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b <> ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b < ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b < ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b > ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b > ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b <= ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b <= ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b >= ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b >= ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b = ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b = ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b <> ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b <> ALL ( SELECT b FROM t1 GROUP BY b );
a
delete from t1;
INSERT INTO t1 VALUES (2,NULL),(5,'d'),(7,'g');
SELECT a FROM t1 WHERE b < ANY ( SELECT b FROM t1 GROUP BY b );
a
5
SELECT a FROM t1 WHERE b < ANY ( SELECT b FROM t1 );
a
5
SELECT a FROM t1 WHERE b > ANY ( SELECT b FROM t1 GROUP BY b );
a
7
SELECT a FROM t1 WHERE b > ANY ( SELECT b FROM t1 );
a
7
SELECT a FROM t1 WHERE b <= ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b <= ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b >= ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b >= ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b = ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b = ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b <> ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b <> ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b < ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b < ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b > ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b > ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b <= ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b <= ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b >= ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b >= ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b = ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b = ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b <> ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b <> ALL ( SELECT b FROM t1 GROUP BY b );
a
drop table t1;
#
# Fix of LP BUG#780386 (NULL left part with empty ALL subquery).
#
CREATE TABLE t1 ( f11 int) ;
INSERT IGNORE INTO t1 VALUES (0),(0);
CREATE TABLE t2 ( f3 int, f10 int, KEY (f10,f3)) ;
INSERT IGNORE INTO t2 VALUES (NULL,NULL),(5,0);
DROP TABLE IF EXISTS t3;
Warnings:
Note 1051 Unknown table 't3'
CREATE TABLE t3 ( f3 int) ;
INSERT INTO t3 VALUES (0),(0);
SELECT a1.f3 AS r FROM t2 AS a1 , t1 WHERE a1.f3 < ALL ( SELECT f3 FROM t3 WHERE f3 = 1 ) ;
r
NULL
5
NULL
5
DROP TABLE t1, t2, t3;
End of 5.2 tests
#
# BUG#779885: Crash in eliminate_item_equal with materialization=on in
# maria-5.3
@ -5126,4 +5420,246 @@ ON t2.f10 = t3.f10
);
f1
DROP TABLE t1,t2,t3;
#
# BUG LP:813473: Wrong result with outer join + NOT IN subquery
# This bug is a duplicate of Bug#11764086 whose test case is added below
#
CREATE TABLE t1 (c int) ;
INSERT INTO t1 VALUES (5),(6);
CREATE TABLE t2 (a int, b int) ;
INSERT INTO t2 VALUES (20,9),(20,9);
create table t3 (d int, e int);
insert into t3 values (2, 9), (3,10);
EXPLAIN
SELECT t2.b , t1.c
FROM t2 LEFT JOIN t1 ON t1.c < 3
WHERE (t2.b , t1.c) NOT IN (SELECT * from t3);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 2
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using where
SELECT t2.b , t1.c
FROM t2 LEFT JOIN t1 ON t1.c < 3
WHERE (t2.b, t1.c) NOT IN (SELECT * from t3);
b c
9 NULL
9 NULL
drop table t1, t2, t3;
End of 5.3 tests
End of 5.5 tests.
#
# Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
#
CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2(a1 int);
INSERT INTO t2 VALUES (3);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
1
1
1
SET SESSION sql_mode=@old_sql_mode;
DROP TABLE t1, t2;
#
# Bug#11764086: Null left operand to NOT IN in WHERE clause
# behaves differently than real NULL
#
CREATE TABLE parent (id int);
INSERT INTO parent VALUES (1), (2);
CREATE TABLE child (parent_id int, other int);
INSERT INTO child VALUES (1,NULL);
# Offending query (c.parent_id is NULL for null-complemented rows only)
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id NOT IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
);
id parent_id
1 1
2 NULL
# Some syntactic variations with IS FALSE and IS NOT TRUE
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
) IS NOT TRUE;
id parent_id
1 1
2 NULL
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
) IS FALSE;
id parent_id
1 1
2 NULL
DROP TABLE parent, child;
# End of test for bug#11764086.
#
# BUG#50257: Missing info in REF column of the EXPLAIN
# lines for subselects
#
CREATE TABLE t1 (a INT, b INT, INDEX (a));
INSERT INTO t1 VALUES (3, 10), (2, 20), (7, 10), (5, 20);
EXPLAIN SELECT * FROM (SELECT * FROM t1 WHERE a=7) t;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2
2 DERIVED t1 ref a a 5 const 1
EXPLAIN SELECT * FROM t1 WHERE EXISTS (SELECT * FROM t1 WHERE a=7);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 4
2 SUBQUERY t1 ref a a 5 const 1 Using index
DROP TABLE t1;
#
# Bug 11765699 - 58690: !TABLE || (!TABLE->READ_SET ||
# BITMAP_IS_SET(TABLE->READ_SET, FIELD_INDEX
#
CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES (0), (1);
CREATE TABLE t2(
b TEXT,
c INT,
PRIMARY KEY (b(1))
);
INSERT INTO t2 VALUES ('a', 2), ('b', 3);
SELECT 1 FROM t1 WHERE a =
(SELECT 1 FROM t2 WHERE b =
(SELECT 1 FROM t1 t11 WHERE c = 1 OR t1.a = 1 AND 1 = 2)
ORDER BY b
);
1
SELECT 1 FROM t1 WHERE a =
(SELECT 1 FROM t2 WHERE b =
(SELECT 1 FROM t1 t11 WHERE c = 1 OR t1.a = 1 AND 1 = 2)
GROUP BY b
);
1
DROP TABLE t1, t2;
#
# BUG#12616253 - WRONG RESULT WITH EXISTS(SUBQUERY) (MISSING ROWS)
#
CREATE TABLE t1 (f1 varchar(1));
INSERT INTO t1 VALUES ('v'),('s');
CREATE TABLE t2 (f1_key varchar(1), KEY (f1_key));
INSERT INTO t2 VALUES ('j'),('v'),('c'),('m'),('d'),
('d'),('y'),('t'),('d'),('s');
SELECT table1.f1, table2.f1_key
FROM t1 AS table1, t2 AS table2
WHERE EXISTS
(
SELECT DISTINCT f1_key
FROM t2
WHERE f1_key != table2.f1_key AND f1_key >= table1.f1 );
f1 f1_key
v j
s j
v v
s v
v c
s c
v m
s m
v d
s d
v d
s d
v y
s y
v t
s t
v d
s d
v s
s s
explain SELECT table1.f1, table2.f1_key
FROM t1 AS table1, t2 AS table2
WHERE EXISTS
(
SELECT DISTINCT f1_key
FROM t2
WHERE f1_key != table2.f1_key AND f1_key >= table1.f1 );
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY table1 ALL NULL NULL NULL NULL 2
1 PRIMARY table2 index NULL f1_key 4 NULL 10 Using where; Using index; Using join buffer (flat, BNL join)
2 DEPENDENT SUBQUERY t2 range f1_key f1_key 4 NULL 6 Range checked for each record (index map: 0x1); Using temporary
DROP TABLE t1,t2;
#
# LP bug #826279: assertion failure with GROUP BY a result of subquery
#
CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (0), (0);
CREATE TABLE t2 (a int, b int, c int);
INSERT INTO t2 VALUES (10,7,0), (0,7,0);
CREATE TABLE t3 (a int, b int);
INSERT INTO t3 VALUES (10,7), (0,7);
SELECT SUM(DISTINCT b),
(SELECT t2.a FROM t1 JOIN t2 ON t2.c != 0
WHERE t.a != 0 AND t2.a != 0)
FROM (SELECT * FROM t3) AS t
GROUP BY 2;
SUM(DISTINCT b) (SELECT t2.a FROM t1 JOIN t2 ON t2.c != 0
WHERE t.a != 0 AND t2.a != 0)
7 NULL
SELECT SUM(DISTINCT b),
(SELECT t2.a FROM t1,t2 WHERE t.a != 0 or 1=2 LIMIT 1)
FROM (SELECT * FROM t3) AS t
GROUP BY 2;
SUM(DISTINCT b) (SELECT t2.a FROM t1,t2 WHERE t.a != 0 or 1=2 LIMIT 1)
7 NULL
7 10
DROP TABLE t1,t2,t3;
#
# Bug#12329653
# EXPLAIN, UNION, PREPARED STATEMENT, CRASH, SQL_FULL_GROUP_BY
#
CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
1
1
1
PREPARE stmt FROM
'SELECT 1 UNION ALL
SELECT 1 FROM t1
ORDER BY
(SELECT 1 FROM t1 AS t1_0
WHERE 1 < SOME (SELECT a1 FROM t1)
)' ;
EXECUTE stmt ;
ERROR 21000: Subquery returns more than 1 row
EXECUTE stmt ;
ERROR 21000: Subquery returns more than 1 row
SET SESSION sql_mode=@old_sql_mode;
DEALLOCATE PREPARE stmt;
DROP TABLE t1;
set optimizer_switch=@subselect_tmp;

17
mysql-test/r/subselect2.result
View File

@ -1,4 +1,6 @@
drop table if exists t1, t2, t3, t4;
set @subselect2_test_tmp=@@optimizer_switch;
set optimizer_switch='semijoin=on,firstmatch=on,mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
CREATE TABLE t1
(
DOCID VARCHAR(32)BINARY NOT NULL
@ -123,14 +125,14 @@ DOCID DOCNAME DOCTYPEID FOLDERID AUTHOR CREATED TITLE SUBTITLE DOCABSTRACT PUBLI
c373e9f5ad07993f3859444553544200 Last Discussion c373e9f5ad079174ff17444553544200 c373e9f5ad0796c0eca4444553544200 Goldilocks 2003-06-09 11:21:06 Title: Last Discussion NULL Setting new abstract and keeping doc checked out 2003-06-09 10:51:26 2003-06-09 10:51:26 NULL NULL NULL 03eea05112b845949f3fd03278b5fe43 2003-06-09 11:21:06 admin 0 NULL Discussion NULL NULL
EXPLAIN SELECT t2.*, t4.DOCTYPENAME, t1.CONTENTSIZE,t1.MIMETYPE FROM t2 INNER JOIN t4 ON t2.DOCTYPEID = t4.DOCTYPEID LEFT OUTER JOIN t1 ON t2.DOCID = t1.DOCID WHERE t2.FOLDERID IN(SELECT t3.FOLDERID FROM t3 WHERE t3.PARENTID IN(SELECT t3.FOLDERID FROM t3 WHERE t3.PARENTID IN(SELECT t3.FOLDERID FROM t3 WHERE t3.PARENTID IN(SELECT t3.FOLDERID FROM t3 WHERE t3.PARENTID IN(SELECT t3.FOLDERID FROM t3 WHERE t3.PARENTID='2f6161e879db43c1a5b82c21ddc49089' AND t3.FOLDERNAME = 'Level1') AND t3.FOLDERNAME = 'Level2') AND t3.FOLDERNAME = 'Level3') AND t3.FOLDERNAME = 'CopiedFolder') AND t3.FOLDERNAME = 'Movie Reviews') AND t2.DOCNAME = 'Last Discussion';
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 ALL DDOCTYPEID_IDX NULL NULL NULL 9 Using where
1 PRIMARY t4 ALL PRIMARY NULL NULL NULL 10
1 PRIMARY t2 ALL DDOCTYPEID_IDX,DFOLDERID_IDX NULL NULL NULL 9 Using where; Using join buffer (flat, BNL join)
1 PRIMARY t1 eq_ref PRIMARY PRIMARY 34 test.t2.DOCID 1
1 PRIMARY t4 eq_ref PRIMARY PRIMARY 34 test.t2.DOCTYPEID 1
2 DEPENDENT SUBQUERY t3 eq_ref PRIMARY,FFOLDERID_IDX,CMFLDRPARNT_IDX PRIMARY 34 func 1 Using where
2 DEPENDENT SUBQUERY t3 eq_ref PRIMARY,FFOLDERID_IDX,CMFLDRPARNT_IDX PRIMARY 34 test.t3.PARENTID 1 Using where
2 DEPENDENT SUBQUERY t3 eq_ref PRIMARY,FFOLDERID_IDX,CMFLDRPARNT_IDX PRIMARY 34 test.t3.PARENTID 1 Using where
2 DEPENDENT SUBQUERY t3 eq_ref PRIMARY,FFOLDERID_IDX,CMFLDRPARNT_IDX PRIMARY 34 test.t3.PARENTID 1 Using where
2 DEPENDENT SUBQUERY t3 eq_ref PRIMARY,FFOLDERID_IDX,CMFLDRPARNT_IDX PRIMARY 34 test.t3.PARENTID 1 Using where
1 PRIMARY t3 eq_ref PRIMARY,FFOLDERID_IDX,CMFLDRPARNT_IDX PRIMARY 34 test.t2.FOLDERID 1 Using where
1 PRIMARY t3 eq_ref PRIMARY,FFOLDERID_IDX,CMFLDRPARNT_IDX PRIMARY 34 test.t3.PARENTID 1 Using where
1 PRIMARY t3 eq_ref PRIMARY,FFOLDERID_IDX,CMFLDRPARNT_IDX PRIMARY 34 test.t3.PARENTID 1 Using where
1 PRIMARY t3 eq_ref PRIMARY,FFOLDERID_IDX,CMFLDRPARNT_IDX PRIMARY 34 test.t3.PARENTID 1 Using where
1 PRIMARY t3 eq_ref PRIMARY,FFOLDERID_IDX,CMFLDRPARNT_IDX PRIMARY 34 test.t3.PARENTID 1 Using where
drop table t1, t2, t3, t4;
CREATE TABLE t1 (a int(10) , PRIMARY KEY (a)) Engine=InnoDB;
INSERT INTO t1 VALUES (1),(2);
@ -144,3 +146,4 @@ and t2.a='1' AND t1.a=t3.b) > 0;
a
2
DROP TABLE t1,t2,t3;
set optimizer_switch=@subselect2_test_tmp;

35
mysql-test/r/subselect3.result
View File

@ -1,5 +1,6 @@
drop table if exists t0, t1, t2, t3, t4, t5, t11, t12, t21, t22;
set @save_optimizer_switch=@@optimizer_switch;
set @subselect3_tmp= @@optimizer_switch;
set optimizer_switch='semijoin=on,firstmatch=on,loosescan=on';
create table t1 (oref int, grp int, ie int) ;
insert into t1 (oref, grp, ie) values
(1, 1, 1),
@ -81,6 +82,7 @@ insert into t1 values
(2, 3),
(2, NULL),
(3, NULL);
insert into t1 values (5, 7), (8, 9), (4, 1);
create table t2 (a int, oref int);
insert into t2 values (1, 1), (2,2), (NULL, 3), (NULL, 4);
select oref, a, a in (select a from t1 where oref=t2.oref) Z from t2;
@ -103,7 +105,7 @@ oref a
1 1
show status like '%Handler_read_rnd_next';
Variable_name Value
Handler_read_rnd_next 11
Handler_read_rnd_next 14
delete from t2;
insert into t2 values (NULL, 0),(NULL, 0), (NULL, 0), (NULL, 0);
set optimizer_switch='subquery_cache=off';
@ -121,7 +123,7 @@ Handler_read_key 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_next 35
Handler_read_rnd_next 50
select 'No key lookups, seq reads: 29= 5 reads from t2 + 4 * 6 reads from t1.' Z;
Z
No key lookups, seq reads: 29= 5 reads from t2 + 4 * 6 reads from t1.
@ -247,7 +249,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 2 100.00 Using where; Full scan on NULL key
Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`b`,`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a checking NULL where ((`test`.`t1`.`c` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b`) or isnull(`test`.`t1`.`b`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`a`)) and trigcond(<is_not_null_test>(`test`.`t1`.`b`))))))) AS `Z` from `test`.`t2`
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a checking NULL where ((`test`.`t1`.`c` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b`) or isnull(`test`.`t1`.`b`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`a`)) and trigcond(<is_not_null_test>(`test`.`t1`.`b`))))))) AS `Z` from `test`.`t2`
select a,b, oref, (a,b) in (select a,b from t1 where c=t2.oref) Z from t2;
a b oref Z
NULL 1 100 0
@ -264,7 +266,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t4 ALL NULL NULL NULL NULL 100 100.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`b`,`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(select `test`.`t1`.`a`,`test`.`t1`.`b` from `test`.`t1` join `test`.`t4` where ((`test`.`t1`.`c` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b`) or isnull(`test`.`t1`.`b`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`a`)) and trigcond(<is_not_null_test>(`test`.`t1`.`b`)))))) AS `Z` from `test`.`t2`
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(select `test`.`t1`.`a`,`test`.`t1`.`b` from `test`.`t1` join `test`.`t4` where ((`test`.`t1`.`c` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b`) or isnull(`test`.`t1`.`b`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`a`)) and trigcond(<is_not_null_test>(`test`.`t1`.`b`)))))) AS `Z` from `test`.`t2`
select a,b, oref,
(a,b) in (select a,b from t1,t4 where c=t2.oref) Z
from t2;
@ -309,7 +311,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 4 100.00 Using where; Full scan on NULL key
Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<expr_cache><`test`.`t2`.`b`,`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on idx checking NULL where ((`test`.`t1`.`oref` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1`) or isnull(`test`.`t1`.`ie1`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2`) or isnull(`test`.`t1`.`ie2`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`ie1`)) and trigcond(<is_not_null_test>(`test`.`t1`.`ie2`))))))) AS `Z` from `test`.`t2` where ((`test`.`t2`.`b` = 10) and (`test`.`t2`.`a` = 10))
Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on idx checking NULL where ((`test`.`t1`.`oref` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1`) or isnull(`test`.`t1`.`ie1`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2`) or isnull(`test`.`t1`.`ie2`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`ie1`)) and trigcond(<is_not_null_test>(`test`.`t1`.`ie2`))))))) AS `Z` from `test`.`t2` where ((`test`.`t2`.`b` = 10) and (`test`.`t2`.`a` = 10))
drop table t1, t2;
create table t1 (oref char(4), grp int, ie int);
insert into t1 (oref, grp, ie) values
@ -579,7 +581,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 4 100.00 Using where; Full scan on NULL key
Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<expr_cache><`test`.`t2`.`b`,`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on idx checking NULL where ((`test`.`t1`.`oref` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1`) or isnull(`test`.`t1`.`ie1`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2`) or isnull(`test`.`t1`.`ie2`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`ie1`)) and trigcond(<is_not_null_test>(`test`.`t1`.`ie2`))))))) AS `Z` from `test`.`t2`
Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on idx checking NULL where ((`test`.`t1`.`oref` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1`) or isnull(`test`.`t1`.`ie1`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2`) or isnull(`test`.`t1`.`ie2`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`ie1`)) and trigcond(<is_not_null_test>(`test`.`t1`.`ie2`))))))) AS `Z` from `test`.`t2`
drop table t1,t2;
create table t1 (oref char(4), grp int, ie int primary key);
insert into t1 (oref, grp, ie) values
@ -698,7 +700,6 @@ a MAX(b) test
2 3 h
3 4 i
DROP TABLE t1, t2;
set @save_optimizer_switch=@@optimizer_switch;
set @@optimizer_switch="partial_match_rowid_merge=off,partial_match_table_scan=off";
CREATE TABLE t1 (a int);
CREATE TABLE t2 (b int, PRIMARY KEY(b));
@ -1084,7 +1085,8 @@ a
17
18
19
set @@optimizer_switch='default,materialization=off';
set @@optimizer_switch=@save_optimizer_switch;
set @@optimizer_switch='materialization=off';
explain select * from t1 where 2 in (select a from t0);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t0 ALL NULL NULL NULL NULL 11 Using where; FirstMatch
@ -1114,8 +1116,9 @@ a
set @@optimizer_switch=@save_optimizer_switch;
explain select * from (select a from t0) X where a in (select a from t1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t0 ALL NULL NULL NULL NULL 11
1 PRIMARY t1 ALL NULL NULL NULL NULL 20 Using where; FirstMatch(t0)
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 11
1 PRIMARY t1 ALL NULL NULL NULL NULL 20 Using where; FirstMatch(<derived2>)
2 DERIVED t0 ALL NULL NULL NULL NULL 11
drop table t0, t1;
create table t0 (a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
@ -1133,9 +1136,9 @@ insert into t4 select a from t3;
explain select * from t3 where a in (select t1.kp1 from t1,t4 where kp1<20
and t4.pk=t1.c);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 100 Using where
1 PRIMARY t1 ref kp1 kp1 5 test.t3.a 1 Using where
1 PRIMARY t4 eq_ref PRIMARY PRIMARY 4 test.t1.c 1 Using index; FirstMatch(t3)
1 PRIMARY t1 range kp1 kp1 5 NULL 48 Using where; LooseScan
1 PRIMARY t4 eq_ref PRIMARY PRIMARY 4 test.t1.c 1 Using index; FirstMatch(t1)
1 PRIMARY t3 ALL NULL NULL NULL NULL 100 Using where; Using join buffer (flat, BNL join)
drop table t1, t3, t4;
create table t1 (a int) as select * from t0 where a < 5;
set @save_max_heap_table_size=@@max_heap_table_size;
@ -1399,7 +1402,7 @@ drop table t1,t2,t3;
#
# BUG#47367 Crash in Name_resolution_context::process_error
#
SET SESSION optimizer_switch = 'default,semijoin=off';
SET SESSION optimizer_switch = 'semijoin=off';
CREATE TABLE t1 (f1 INTEGER);
CREATE TABLE t2 LIKE t1;
CREATE PROCEDURE p1 () BEGIN SELECT f1 FROM t1 WHERE f1 IN (SELECT f1 FROM t2); END|
@ -1421,4 +1424,4 @@ CALL p1;
ERROR 42S22: Unknown column 'f1' in 'where clause'
DROP PROCEDURE p1;
DROP TABLE t1, t2;
set @@optimizer_switch=@save_optimizer_switch;
set @@optimizer_switch=@subselect3_tmp;

37
mysql-test/r/subselect3_jcl6.result
View File

@ -1,12 +1,15 @@
set @save_optimizer_switch=@@optimizer_switch;
set @@optimizer_switch='optimize_join_buffer_size=on';
set @@optimizer_switch='semijoin_with_cache=on';
set @@optimizer_switch='outer_join_with_cache=on';
set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
set join_cache_level=6;
show variables like 'join_cache_level';
Variable_name Value
join_cache_level 6
drop table if exists t0, t1, t2, t3, t4, t5, t11, t12, t21, t22;
set @save_optimizer_switch=@@optimizer_switch;
set @subselect3_tmp= @@optimizer_switch;
set optimizer_switch='semijoin=on,firstmatch=on,loosescan=on';
create table t1 (oref int, grp int, ie int) ;
insert into t1 (oref, grp, ie) values
(1, 1, 1),
@ -88,6 +91,7 @@ insert into t1 values
(2, 3),
(2, NULL),
(3, NULL);
insert into t1 values (5, 7), (8, 9), (4, 1);
create table t2 (a int, oref int);
insert into t2 values (1, 1), (2,2), (NULL, 3), (NULL, 4);
select oref, a, a in (select a from t1 where oref=t2.oref) Z from t2;
@ -110,7 +114,7 @@ oref a
1 1
show status like '%Handler_read_rnd_next';
Variable_name Value
Handler_read_rnd_next 11
Handler_read_rnd_next 14
delete from t2;
insert into t2 values (NULL, 0),(NULL, 0), (NULL, 0), (NULL, 0);
set optimizer_switch='subquery_cache=off';
@ -128,7 +132,7 @@ Handler_read_key 0
Handler_read_next 0
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_next 35
Handler_read_rnd_next 50
select 'No key lookups, seq reads: 29= 5 reads from t2 + 4 * 6 reads from t1.' Z;
Z
No key lookups, seq reads: 29= 5 reads from t2 + 4 * 6 reads from t1.
@ -254,7 +258,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 2 100.00 Using where; Full scan on NULL key
Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`b`,`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a checking NULL where ((`test`.`t1`.`c` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b`) or isnull(`test`.`t1`.`b`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`a`)) and trigcond(<is_not_null_test>(`test`.`t1`.`b`))))))) AS `Z` from `test`.`t2`
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a checking NULL where ((`test`.`t1`.`c` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b`) or isnull(`test`.`t1`.`b`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`a`)) and trigcond(<is_not_null_test>(`test`.`t1`.`b`))))))) AS `Z` from `test`.`t2`
select a,b, oref, (a,b) in (select a,b from t1 where c=t2.oref) Z from t2;
a b oref Z
NULL 1 100 0
@ -271,7 +275,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t4 ALL NULL NULL NULL NULL 100 100.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`b`,`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(select `test`.`t1`.`a`,`test`.`t1`.`b` from `test`.`t1` join `test`.`t4` where ((`test`.`t1`.`c` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b`) or isnull(`test`.`t1`.`b`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`a`)) and trigcond(<is_not_null_test>(`test`.`t1`.`b`)))))) AS `Z` from `test`.`t2`
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(select `test`.`t1`.`a`,`test`.`t1`.`b` from `test`.`t1` join `test`.`t4` where ((`test`.`t1`.`c` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b`) or isnull(`test`.`t1`.`b`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`a`)) and trigcond(<is_not_null_test>(`test`.`t1`.`b`)))))) AS `Z` from `test`.`t2`
select a,b, oref,
(a,b) in (select a,b from t1,t4 where c=t2.oref) Z
from t2;
@ -316,7 +320,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 4 100.00 Using where; Full scan on NULL key
Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<expr_cache><`test`.`t2`.`b`,`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on idx checking NULL where ((`test`.`t1`.`oref` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1`) or isnull(`test`.`t1`.`ie1`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2`) or isnull(`test`.`t1`.`ie2`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`ie1`)) and trigcond(<is_not_null_test>(`test`.`t1`.`ie2`))))))) AS `Z` from `test`.`t2` where ((`test`.`t2`.`b` = 10) and (`test`.`t2`.`a` = 10))
Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on idx checking NULL where ((`test`.`t1`.`oref` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1`) or isnull(`test`.`t1`.`ie1`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2`) or isnull(`test`.`t1`.`ie2`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`ie1`)) and trigcond(<is_not_null_test>(`test`.`t1`.`ie2`))))))) AS `Z` from `test`.`t2` where ((`test`.`t2`.`b` = 10) and (`test`.`t2`.`a` = 10))
drop table t1, t2;
create table t1 (oref char(4), grp int, ie int);
insert into t1 (oref, grp, ie) values
@ -586,7 +590,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 4 100.00 Using where; Full scan on NULL key
Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<expr_cache><`test`.`t2`.`b`,`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on idx checking NULL where ((`test`.`t1`.`oref` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1`) or isnull(`test`.`t1`.`ie1`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2`) or isnull(`test`.`t1`.`ie2`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`ie1`)) and trigcond(<is_not_null_test>(`test`.`t1`.`ie2`))))))) AS `Z` from `test`.`t2`
Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on idx checking NULL where ((`test`.`t1`.`oref` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1`) or isnull(`test`.`t1`.`ie1`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2`) or isnull(`test`.`t1`.`ie2`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`ie1`)) and trigcond(<is_not_null_test>(`test`.`t1`.`ie2`))))))) AS `Z` from `test`.`t2`
drop table t1,t2;
create table t1 (oref char(4), grp int, ie int primary key);
insert into t1 (oref, grp, ie) values
@ -705,7 +709,6 @@ a MAX(b) test
2 3 h
3 4 i
DROP TABLE t1, t2;
set @save_optimizer_switch=@@optimizer_switch;
set @@optimizer_switch="partial_match_rowid_merge=off,partial_match_table_scan=off";
CREATE TABLE t1 (a int);
CREATE TABLE t2 (b int, PRIMARY KEY(b));
@ -1091,7 +1094,8 @@ a
17
18
19
set @@optimizer_switch='default,materialization=off';
set @@optimizer_switch=@save_optimizer_switch;
set @@optimizer_switch='materialization=off';
explain select * from t1 where 2 in (select a from t0);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t0 ALL NULL NULL NULL NULL 11 Using where; FirstMatch
@ -1121,8 +1125,9 @@ a
set @@optimizer_switch=@save_optimizer_switch;
explain select * from (select a from t0) X where a in (select a from t1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t0 ALL NULL NULL NULL NULL 11
1 PRIMARY t1 ALL NULL NULL NULL NULL 20 Using where; FirstMatch(t0); Using join buffer (flat, BNL join)
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 11
1 PRIMARY t1 ALL NULL NULL NULL NULL 20 Using where; FirstMatch(<derived2>); Using join buffer (flat, BNL join)
2 DERIVED t0 ALL NULL NULL NULL NULL 11
drop table t0, t1;
create table t0 (a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
@ -1140,9 +1145,9 @@ insert into t4 select a from t3;
explain select * from t3 where a in (select t1.kp1 from t1,t4 where kp1<20
and t4.pk=t1.c);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 100 Using where
1 PRIMARY t1 ref kp1 kp1 5 test.t3.a 1 Using where
1 PRIMARY t4 eq_ref PRIMARY PRIMARY 4 test.t1.c 1 Using index; FirstMatch(t3)
1 PRIMARY t1 range kp1 kp1 5 NULL 48 Using index condition; Using where; Rowid-ordered scan; LooseScan
1 PRIMARY t4 eq_ref PRIMARY PRIMARY 4 test.t1.c 1 Using index; FirstMatch(t1)
1 PRIMARY t3 ALL NULL NULL NULL NULL 100 Using where; Using join buffer (flat, BNL join)
drop table t1, t3, t4;
create table t1 (a int) as select * from t0 where a < 5;
set @save_max_heap_table_size=@@max_heap_table_size;
@ -1406,7 +1411,7 @@ drop table t1,t2,t3;
#
# BUG#47367 Crash in Name_resolution_context::process_error
#
SET SESSION optimizer_switch = 'default,semijoin=off';
SET SESSION optimizer_switch = 'semijoin=off';
CREATE TABLE t1 (f1 INTEGER);
CREATE TABLE t2 LIKE t1;
CREATE PROCEDURE p1 () BEGIN SELECT f1 FROM t1 WHERE f1 IN (SELECT f1 FROM t2); END|
@ -1428,7 +1433,7 @@ CALL p1;
ERROR 42S22: Unknown column 'f1' in 'where clause'
DROP PROCEDURE p1;
DROP TABLE t1, t2;
set @@optimizer_switch=@save_optimizer_switch;
set @@optimizer_switch=@subselect3_tmp;
set join_cache_level=default;
show variables like 'join_cache_level';
Variable_name Value

475
mysql-test/r/subselect4.result
View File

@ -1,4 +1,7 @@
drop table if exists t1,t2,t3,t4,t5,t6;
set @subselect4_tmp= @@optimizer_switch;
set optimizer_switch='semijoin=on,firstmatch=on,loosescan=on';
set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
#
# Bug #46791: Assertion failed:(table->key_read==0),function unknown
# function,file sql_base.cc
@ -221,7 +224,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings:
Note 1276 Field or reference 'test.t1.c' of SELECT #2 was resolved in SELECT #1
Note 1003 select <expr_cache><NULL>((select 1 from `test`.`t2` where 0)) AS `RESULT` from `test`.`t1`
Note 1003 select <expr_cache><>((select 1 from `test`.`t2` where 0)) AS `RESULT` from `test`.`t1`
first equivalent variant
SELECT (SELECT 1 FROM t2 WHERE d = IFNULL(c,NULL)) AS RESULT FROM t1 GROUP BY c ;
RESULT
@ -232,7 +235,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings:
Note 1276 Field or reference 'test.t1.c' of SELECT #2 was resolved in SELECT #1
Note 1003 select <expr_cache><NULL>((select 1 from `test`.`t2` where 0)) AS `RESULT` from `test`.`t1` group by NULL
Note 1003 select <expr_cache><>((select 1 from `test`.`t2` where 0)) AS `RESULT` from `test`.`t1` group by NULL
second equivalent variant
SELECT (SELECT 1 FROM t2 WHERE d = c) AS RESULT FROM t1 GROUP BY c ;
RESULT
@ -243,7 +246,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings:
Note 1276 Field or reference 'test.t1.c' of SELECT #2 was resolved in SELECT #1
Note 1003 select <expr_cache><NULL>((select 1 from `test`.`t2` where 0)) AS `RESULT` from `test`.`t1` group by NULL
Note 1003 select <expr_cache><>((select 1 from `test`.`t2` where 0)) AS `RESULT` from `test`.`t1` group by NULL
DROP TABLE t1,t2;
#
# BUG#45928 "Differing query results depending on MRR and
@ -270,31 +273,6 @@ set @@session.optimizer_switch = @old_optimizer_switch,
@@session.engine_condition_pushdown = @old_engine_condition_pushdown;
DROP TABLE t1;
#
# BUG#45863 "Assertion failed: (fixed == 0), function fix_fields(),
# file item.cc, line 4448"
#
DROP TABLE IF EXISTS C, BB;
CREATE TABLE C (
varchar_nokey varchar(1) NOT NULL
);
INSERT INTO C VALUES
('k'),('a'),(''),('u'),('e'),('v'),('i'),
('t'),('u'),('f'),('u'),('m'),('j'),('f'),
('v'),('j'),('g'),('e'),('h'),('z');
CREATE TABLE BB (
varchar_nokey varchar(1) NOT NULL
);
INSERT INTO BB VALUES ('i'),('t');
SELECT varchar_nokey FROM C
WHERE (varchar_nokey, OUTR) IN (SELECT varchar_nokey
FROM BB);
ERROR 21000: Operand should contain 2 column(s)
SELECT varchar_nokey FROM C
WHERE (varchar_nokey, OUTR) IN (SELECT varchar_nokey, varchar_nokey
FROM BB);
ERROR 42S22: Unknown column 'OUTR' in 'IN/ALL/ANY subquery'
DROP TABLE C,BB;
#
# During work with BUG#45863 I had problems with a query that was
# optimized differently in regular and prepared mode.
# Because there was a bug in one of the selected strategies, I became
@ -731,7 +709,7 @@ WHERE f3 = (
SELECT t1.f3 FROM t1
WHERE ( t1.f10 ) IN ( SELECT f11 FROM t2 GROUP BY f11 ));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
1 PRIMARY t1 ref f3 f3 5 const 0 Using index condition
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using where
2 SUBQUERY <subquery3> eq_ref distinct_key distinct_key 5 test.t1.f10 1
3 SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using temporary
@ -746,7 +724,7 @@ WHERE f3 = (
SELECT f3 FROM t1
WHERE ( f10, f10 ) IN ( SELECT f11, f11 FROM t2 GROUP BY f11 ));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
1 PRIMARY t1 ref f3 f3 5 const 0 Using index condition
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using where
2 SUBQUERY <subquery3> eq_ref distinct_key distinct_key 10 test.t1.f10,test.t1.f10 1
3 SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using temporary
@ -1187,6 +1165,54 @@ set @@optimizer_switch='materialization=off,semijoin=on';
set @@optimizer_switch=@save_optimizer_switch;
drop table t1, t2;
#
# LP BUG#777691 Wrong result with subqery in select list and subquery cache=off in maria-5.3
#
CREATE TABLE t1 ( f1 varchar(32)) ;
INSERT INTO t1 VALUES ('b'),('x'),('c'),('x');
CREATE TABLE t2 ( f2 int, f3 varchar(32)) ;
INSERT INTO t2 VALUES (1,'x');
set @save_optimizer_switch=@@optimizer_switch;
set @@optimizer_switch='materialization=off,in_to_exists=on,subquery_cache=off';
EXPLAIN
SELECT t1.f1, ( SELECT MAX( f2 ) FROM t2 WHERE t2.f3 = t1.f1 ) as max_f2 FROM t1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 4
2 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 1
SELECT t1.f1, ( SELECT MAX( f2 ) FROM t2 WHERE t2.f3 = t1.f1 ) as max_f2 FROM t1;
f1 max_f2
b NULL
x 1
c NULL
x 1
set @@optimizer_switch='materialization=on,in_to_exists=off,subquery_cache=off';
EXPLAIN
SELECT t1.f1, ( SELECT MAX( f2 ) FROM t2 WHERE t2.f3 = t1.f1 ) as max_f2 FROM t1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 4
2 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 1
SELECT t1.f1, ( SELECT MAX( f2 ) FROM t2 WHERE t2.f3 = t1.f1 ) as max_f2 FROM t1;
f1 max_f2
b NULL
x 1
c NULL
x 1
set @@optimizer_switch='materialization=off,in_to_exists=on,subquery_cache=off';
Even when t2 is not constant table, the result must be the same.
INSERT INTO t2 VALUES (2,'y');
EXPLAIN
SELECT t1.f1, ( SELECT MAX( f2 ) FROM t2 WHERE t2.f3 = t1.f1 ) as max_f2 FROM t1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 4
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
SELECT t1.f1, ( SELECT MAX( f2 ) FROM t2 WHERE t2.f3 = t1.f1 ) as max_f2 FROM t1;
f1 max_f2
b NULL
x 1
c NULL
x 1
set @@optimizer_switch=@save_optimizer_switch;
drop table t1, t2;
#
# LP BUG#641203 Query returns rows where no result is expected (impossible WHERE)
#
CREATE TABLE t1 (c1 varchar(1) DEFAULT NULL);
@ -1200,33 +1226,33 @@ EXPLAIN
SELECT * FROM t1 RIGHT JOIN t2 ON t1.c1 WHERE 's' IN (SELECT c1 FROM t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 const row not found
1 PRIMARY t2 ALL NULL NULL NULL NULL 2
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1)
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
SELECT * FROM t1 RIGHT JOIN t2 ON t1.c1 WHERE 's' IN (SELECT c1 FROM t2);
c1 c1
EXPLAIN
SELECT * FROM t2 LEFT JOIN t1 ON t1.c1 WHERE 's' IN (SELECT c1 FROM t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 const row not found
1 PRIMARY t2 ALL NULL NULL NULL NULL 2
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1)
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
SELECT * FROM t2 LEFT JOIN t1 ON t1.c1 WHERE 's' IN (SELECT c1 FROM t2);
c1 c1
EXPLAIN
SELECT * FROM (t2 LEFT JOIN t1 ON t1.c1) LEFT JOIN t3 on t3.c1 WHERE 's' IN (SELECT c1 FROM t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 const row not found
1 PRIMARY t2 ALL NULL NULL NULL NULL 2
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Start temporary; End temporary
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
SELECT * FROM (t2 LEFT JOIN t1 ON t1.c1) LEFT JOIN t3 on t3.c1 WHERE 's' IN (SELECT c1 FROM t2);
c1 c1 c1
EXPLAIN
SELECT * FROM t4 LEFT JOIN t2 ON t4.c1 WHERE 's' IN (SELECT c1 FROM t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t4 index NULL PRIMARY 3 NULL 2 Using index
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Start temporary; End temporary
1 PRIMARY t4 index NULL PRIMARY 3 NULL 2 Using index; Using join buffer (flat, BNL join)
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
SELECT * FROM t4 LEFT JOIN t2 ON t4.c1 WHERE 's' IN (SELECT c1 FROM t2);
c1 c1
drop table t1, t2, t3, t4;
@ -1303,7 +1329,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
2 SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
3 SUBQUERY SQ1_t1 index NULL f4 5 NULL 2 Using index; Using temporary
3 SUBQUERY SQ1_t3 index NULL f4 5 NULL 2 Using where; Using index; Using join buffer (flat, BNL join)
3 SUBQUERY SQ1_t3 index f4 f4 5 NULL 2 Using where; Using index; Using join buffer (flat, BNL join)
drop table t1, t2, t3;
#
# BUG#52317: Assertion failing in Field_varstring::store()
@ -1736,3 +1762,374 @@ id select_type table type possible_keys key key_len ref rows Extra
2 SUBQUERY t3 ALL NULL NULL NULL NULL 2
3 SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using temporary
drop table t1, t2, t3;
#
# LP BUG#802979 Assertion `table->key_read == 0' in close_thread_table
#
CREATE TABLE t1 ( f1 int, f2 int , KEY (f1)) ;
INSERT IGNORE INTO t1 VALUES (1,0),(5,0);
CREATE TABLE t2 ( f1 int, f2 int , KEY (f1)) ;
INSERT IGNORE INTO t2 VALUES (1,0),(5,0);
CREATE TABLE t3 ( f1 int, f2 int , KEY (f1)) ;
INSERT IGNORE INTO t3 VALUES (1,0),(5,0);
CREATE TABLE t4 ( f1 int, f2 int , KEY (f1)) ;
INSERT IGNORE INTO t4 VALUES (1,0),(5,0);
EXPLAIN
SELECT *
FROM t1, t2
WHERE t2.f2 = (SELECT f2 FROM t3
WHERE EXISTS (SELECT DISTINCT f1 FROM t4))
AND t2.f2 = t1.f1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ref f1 f1 5 const 0 Using index condition
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join)
2 SUBQUERY t3 ALL NULL NULL NULL NULL 2
3 SUBQUERY t4 index NULL f1 5 NULL 2 Using index; Using temporary
SELECT *
FROM t1, t2
WHERE t2.f2 = (SELECT f2 FROM t3
WHERE EXISTS (SELECT DISTINCT f1 FROM t4))
AND t2.f2 = t1.f1;
ERROR 21000: Subquery returns more than 1 row
EXPLAIN
SELECT *
FROM t1, t2
WHERE t2.f2 = (SELECT f2 FROM t3
WHERE EXISTS (SELECT DISTINCT f1 FROM t4) LIMIT 1)
AND t2.f2 = t1.f1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ref f1 f1 5 const 0 Using index condition
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join)
2 SUBQUERY t3 ALL NULL NULL NULL NULL 2
3 SUBQUERY t4 index NULL f1 5 NULL 2 Using index; Using temporary
SELECT *
FROM t1, t2
WHERE t2.f2 = (SELECT f2 FROM t3
WHERE EXISTS (SELECT DISTINCT f1 FROM t4) LIMIT 1)
AND t2.f2 = t1.f1;
f1 f2 f1 f2
drop table t1,t2,t3,t4;
#
# LP BUG#806943 Second crash with select_describe with nested subqueries in maria-5.3
#
CREATE TABLE t1 ( f4 int) ;
INSERT INTO t1 VALUES (0),(0);
CREATE TABLE t2 ( f2 int) ;
CREATE TABLE t3 ( f1 int NOT NULL );
CREATE TABLE t4 ( f2 int, f3 int) ;
INSERT INTO t4 VALUES (8,0),(3,0);
EXPLAIN SELECT *
FROM t2, t3
WHERE t3.f1 = (
SELECT SUM( f2 )
FROM t4
WHERE EXISTS (
SELECT DISTINCT f4
FROM t1));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
2 SUBQUERY t4 ALL NULL NULL NULL NULL 2
3 SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using temporary
SELECT *
FROM t2, t3
WHERE t3.f1 = (
SELECT SUM( f2 )
FROM t4
WHERE EXISTS (
SELECT DISTINCT f4
FROM t1));
f2 f1
drop table t1, t2, t3, t4;
#
# LP BUG#611690 Crash in select_describe() with nested subqueries
#
CREATE TABLE t1 (
col_int_key int(11) DEFAULT NULL,
col_varchar_key varchar(1) DEFAULT NULL,
col_varchar_nokey varchar(1) DEFAULT NULL,
KEY col_int_key (col_int_key),
KEY col_varchar_key (col_varchar_key,col_int_key)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES (8,'v','v');
INSERT INTO t1 VALUES (9,'r','r');
CREATE TABLE t2 (
col_int_key int(11) DEFAULT NULL,
col_varchar_key varchar(1) DEFAULT NULL,
col_varchar_nokey varchar(1) DEFAULT NULL,
KEY col_int_key (col_int_key),
KEY col_varchar_key (col_varchar_key,col_int_key)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
INSERT INTO t2 VALUES (2,'w','w');
INSERT INTO t2 VALUES (9,'m','m');
set @old_optimizer_switch = @@optimizer_switch;
set @@optimizer_switch='subquery_cache=off,materialization=on,in_to_exists=off,semijoin=off';
EXPLAIN
SELECT col_int_key
FROM t2
WHERE (SELECT SUBQUERY2_t1.col_int_key
FROM t1 SUBQUERY2_t1 STRAIGHT_JOIN t1 SUBQUERY2_t2
ON SUBQUERY2_t2.col_varchar_key
WHERE SUBQUERY2_t2.col_varchar_nokey IN
(SELECT col_varchar_nokey FROM t1 GROUP BY col_varchar_nokey));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 index NULL col_int_key 5 NULL 2 Using index
2 SUBQUERY SUBQUERY2_t1 index NULL col_int_key 5 NULL 2 Using index
2 SUBQUERY SUBQUERY2_t2 ALL col_varchar_key NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join)
3 SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using temporary
SELECT col_int_key
FROM t2
WHERE (SELECT SUBQUERY2_t1.col_int_key
FROM t1 SUBQUERY2_t1 STRAIGHT_JOIN t1 SUBQUERY2_t2
ON SUBQUERY2_t2.col_varchar_key
WHERE SUBQUERY2_t2.col_varchar_nokey IN
(SELECT col_varchar_nokey FROM t1 GROUP BY col_varchar_nokey));
col_int_key
set @@optimizer_switch='subquery_cache=off,materialization=off,in_to_exists=on,semijoin=off';
EXPLAIN
SELECT col_int_key
FROM t2
WHERE (SELECT SUBQUERY2_t1.col_int_key
FROM t1 SUBQUERY2_t1 STRAIGHT_JOIN t1 SUBQUERY2_t2
ON SUBQUERY2_t2.col_varchar_key
WHERE SUBQUERY2_t2.col_varchar_nokey IN
(SELECT col_varchar_nokey FROM t1 GROUP BY col_varchar_nokey));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 index NULL col_int_key 5 NULL 2 Using index
2 SUBQUERY SUBQUERY2_t1 index NULL col_int_key 5 NULL 2 Using index
2 SUBQUERY SUBQUERY2_t2 ALL col_varchar_key NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join)
3 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using temporary
SELECT col_int_key
FROM t2
WHERE (SELECT SUBQUERY2_t1.col_int_key
FROM t1 SUBQUERY2_t1 STRAIGHT_JOIN t1 SUBQUERY2_t2
ON SUBQUERY2_t2.col_varchar_key
WHERE SUBQUERY2_t2.col_varchar_nokey IN
(SELECT col_varchar_nokey FROM t1 GROUP BY col_varchar_nokey));
col_int_key
drop table t1, t2;
set @@optimizer_switch = @old_optimizer_switch;
#
# LP BUG#612543 Crash in Item_field::used_tables() with view + subquery + prepared statements
#
CREATE TABLE t1 ( f1 int(11), f2 varchar(1));
CREATE TABLE t2 ( f3 varchar(1));
insert into t1 values (2,'x'), (5,'y');
insert into t2 values ('x'), ('z');
CREATE VIEW v2 AS SELECT * FROM t2;
set @old_optimizer_switch = @@optimizer_switch;
set @@optimizer_switch='materialization=on,in_to_exists=off,semijoin=off,subquery_cache=off';
EXPLAIN SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 );
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join)
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2
PREPARE st1 FROM "SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 )";
EXECUTE st1;
f1 f2 f3
2 x x
5 y x
EXECUTE st1;
f1 f2 f3
2 x x
5 y x
set @@optimizer_switch='materialization=off,in_to_exists=on,semijoin=off,subquery_cache=off';
EXPLAIN SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 );
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join)
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using where
PREPARE st2 FROM "SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 )";
EXECUTE st2;
f1 f2 f3
2 x x
5 y x
EXECUTE st2;
f1 f2 f3
2 x x
5 y x
set @@optimizer_switch='materialization=on,in_to_exists=on,semijoin=off,subquery_cache=off';
EXPLAIN SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 );
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join)
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2
PREPARE st3 FROM "SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 )";
EXECUTE st3;
f1 f2 f3
2 x x
5 y x
EXECUTE st3;
f1 f2 f3
2 x x
5 y x
set @@optimizer_switch = @old_optimizer_switch;
drop table t1, t2;
drop view v2;
#
# LP BUG#611396 RQG: crash in Item_field::register_field_in_read_map with semijoin=off
# and prepared statements and materialization
CREATE TABLE t1 ( f1 int(11), f2 int(11)) ;
CREATE TABLE t2 ( f1 int(11), f4 varchar(1), PRIMARY KEY (f1)) ;
INSERT INTO t2 VALUES ('23','j'),('24','e');
CREATE TABLE t3 ( f1 int(11), f4 varchar(1)) ;
INSERT INTO t3 VALUES ('8','j');
set @old_optimizer_switch = @@optimizer_switch;
set @@optimizer_switch='materialization=on,in_to_exists=off,semijoin=off';
EXPLAIN
SELECT t2.f1, (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1))
FROM t2 JOIN t3 ON t3.f4 = t2.f4
WHERE t3.f1 = 8
GROUP BY 1, 2;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 system NULL NULL NULL NULL 1 Using temporary; Using filesort
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
3 SUBQUERY t1 system NULL NULL NULL NULL 0 const row not found
PREPARE st1 FROM "
SELECT t2.f1, (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1))
FROM t2 JOIN t3 ON t3.f4 = t2.f4
WHERE t3.f1 = 8
GROUP BY 1, 2";
EXECUTE st1;
f1 (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1))
23 NULL
EXECUTE st1;
f1 (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1))
23 NULL
set @@optimizer_switch = @old_optimizer_switch;
drop table t1, t2, t3;
#
# LP BUG#611382 RQG: Query returns extra rows when executed with materialization=on
#
CREATE TABLE t1 ( f4 varchar(1)) ENGINE=MyISAM;
INSERT INTO t1 VALUES (NULL);
CREATE TABLE t2 ( f2 date, f3 varchar(1), f4 varchar(1)) ;
INSERT INTO t2 VALUES ('2005-05-03','c','c'),('1900-01-01','d','d');
CREATE TABLE t3 ( f3 varchar(1)) ;
INSERT INTO t3 VALUES ('c');
set @old_optimizer_switch = @@optimizer_switch;
set @@optimizer_switch = 'materialization=on,in_to_exists=off,semijoin=off';
EXPLAIN SELECT t1.f4
FROM t1 JOIN ( t2 JOIN t3 ON t3.f3 = t2.f4 ) ON t3.f3 = t2.f3
WHERE t1.f4 IN ( SELECT f4 FROM t2 ) ;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
1 PRIMARY t3 system NULL NULL NULL NULL 1
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 2
SELECT t1.f4
FROM t1 JOIN ( t2 JOIN t3 ON t3.f3 = t2.f4 ) ON t3.f3 = t2.f3
WHERE t1.f4 IN ( SELECT f4 FROM t2 ) ;
f4
set @@optimizer_switch = 'materialization=off,in_to_exists=on,semijoin=off';
EXPLAIN SELECT t1.f4
FROM t1 JOIN ( t2 JOIN t3 ON t3.f3 = t2.f4 ) ON t3.f3 = t2.f3
WHERE t1.f4 IN ( SELECT f4 FROM t2 ) ;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
1 PRIMARY t3 system NULL NULL NULL NULL 1
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
SELECT t1.f4
FROM t1 JOIN ( t2 JOIN t3 ON t3.f3 = t2.f4 ) ON t3.f3 = t2.f3
WHERE t1.f4 IN ( SELECT f4 FROM t2 ) ;
f4
set @@optimizer_switch = @old_optimizer_switch;
drop table t1, t2, t3;
#
# LP BUG#782305: Wrong result/valgrind warning in Item_sum_hybrid::any_value()
#
CREATE TABLE t1 ( f1 int) ;
INSERT INTO t1 VALUES (2),(3);
CREATE TABLE t2 (f2 int) ;
INSERT INTO t2 VALUES (2),(3);
PREPARE st1 FROM '
SELECT * FROM t2
WHERE f2 <= SOME ( SELECT f1 FROM t1 );
';
EXECUTE st1;
f2
2
3
EXECUTE st1;
f2
2
3
PREPARE st2 FROM '
SELECT * FROM t2
WHERE f2 <= SOME (SELECT f1-2 FROM t1 UNION SELECT f1-1 FROM t1);
';
EXECUTE st2;
f2
2
EXECUTE st2;
f2
2
drop table t1, t2;
#
# LP BUG#825018: Crash in check_and_do_in_subquery_rewrites() with corrlated subquery in select list
#
CREATE TABLE t1 (a int, b int);
INSERT INTO t1 VALUES (10,1),(11,7);
CREATE TABLE t2 (a int);
INSERT INTO t2 VALUES (2),(3);
CREATE TABLE t3 (a int, b int);
INSERT INTO t3 VALUES (1,1);
CREATE PROCEDURE sp1 () LANGUAGE SQL
SELECT (SELECT t1.a
FROM t1
WHERE t1.b = t3.b
AND t1.b IN ( SELECT a FROM t2 )) sq
FROM t3
GROUP BY 1;
CALL sp1();
sq
NULL
CALL sp1();
sq
NULL
drop procedure sp1;
prepare st1 from "
SELECT (SELECT t1.a
FROM t1
WHERE t1.b = t3.b
AND t1.b IN ( SELECT a FROM t2 )) sq
FROM t3
GROUP BY 1";
execute st1;
sq
NULL
execute st1;
sq
NULL
deallocate prepare st1;
drop table t1, t2, t3;
set optimizer_switch=@subselect4_tmp;
#
# LP BUG#833702 Wrong result with nested IN and singlerow subqueries and equality propagation
#
CREATE TABLE t2 (c int , a int, b int);
INSERT INTO t2 VALUES (10,7,0);
CREATE TABLE t3 (a int, b int) ;
INSERT INTO t3 VALUES (5,0),(7,0);
CREATE TABLE t4 (a int);
INSERT INTO t4 VALUES (2),(8);
set @@optimizer_switch='semijoin=off,in_to_exists=on,materialization=off,subquery_cache=off';
SELECT * FROM t2
WHERE t2.b IN (SELECT b FROM t3 WHERE t3.a = t2.a AND a < SOME (SELECT * FROM t4))
OR ( t2.c > 242 );
c a b
10 7 0
EXPLAIN SELECT * FROM t2
WHERE t2.b IN (SELECT t3.b FROM t3 WHERE t3.a < ANY (SELECT t4.a FROM t4) and t3.a = 7);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 system NULL NULL NULL NULL 1
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using where
3 SUBQUERY t4 ALL NULL NULL NULL NULL 2
SELECT * FROM t2
WHERE t2.b IN (SELECT t3.b FROM t3 WHERE t3.a < ANY (SELECT t4.a FROM t4) and t3.a = 7);
c a b
10 7 0
drop table t2, t3, t4;
set optimizer_switch=@subselect4_tmp;
SET optimizer_switch= @@global.optimizer_switch;
set @@tmp_table_size= @@global.tmp_table_size;

74
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View File

@ -1,3 +1,5 @@
drop table if exists t1,t2,t3,t4,t5;
drop view if exists v1;
set optimizer_switch='subquery_cache=on';
create table t1 (a int, b int);
insert into t1 values (1,2),(3,4),(1,2),(3,4),(3,4),(4,5),(4,5),(5,6),(5,6),(4,5);
@ -3272,6 +3274,7 @@ FROM t2 ) AND table1 .`col_varchar_key` OR table1 .`pk` ;
col_varchar_nokey
drop table t1,t2;
set @@optimizer_switch= default;
set optimizer_switch='subquery_cache=on';
# LP BUG#615378 (incorrect NULL result returning in Item_cache)
CREATE TABLE `t1` (
`pk` int(11) NOT NULL AUTO_INCREMENT,
@ -3310,3 +3313,74 @@ GROUP BY field3
HAVING (field3 <= 'h' AND field2 != 4) ;
field2 field3
drop tables t1, t2, t3;
#
# Test aggregate functions as parameters to subquery cache
#
CREATE TABLE t1 ( a INT, b INT, c INT, KEY (a, b));
INSERT INTO t1 VALUES
( 1, 1, 1 ),
( 1, 2, 2 ),
( 1, 3, 3 ),
( 1, 4, 6 ),
( 1, 5, 5 ),
( 1, 9, 13 ),
( 2, 1, 6 ),
( 2, 2, 7 ),
( 2, 3, 8 );
SELECT a, AVG(t1.b),
(SELECT t11.c FROM t1 t11 WHERE t11.a = t1.a AND t11.b = AVG(t1.b)) AS t11c
FROM t1 GROUP BY a;
a AVG(t1.b) t11c
1 4.0000 6
2 2.0000 7
DROP TABLE t1;
#
# Test of LP BUG#800696 (deleting list of Items (OR arguments)
# in optimization)
#
set optimizer_switch='subquery_cache=on,in_to_exists=on';
CREATE TABLE t1 ( f3 int) ;
INSERT INTO t1 VALUES (0),(0);
CREATE TABLE t3 ( f3 int) ;
INSERT INTO t3 VALUES (0),(0);
CREATE TABLE t2 ( f1 int, f2 int, f3 int) ;
INSERT INTO t2 VALUES (7,0,0);
SELECT *
FROM t2, t3
WHERE t2.f2 OR t3.f3 IN
(
SELECT t2.f2
FROM t1
WHERE t2.f1 OR t2.f3 );
f1 f2 f3 f3
7 0 0 0
7 0 0 0
drop tables t1, t2, t3;
#
# Test of LP BUG#872775 view with "outer references" bug
#
set @@optimizer_switch= default;
set optimizer_switch='subquery_cache=on';
CREATE TABLE t1 (a int) ;
CREATE TABLE t2 (b int, c varchar(1) NOT NULL ) ;
INSERT INTO t2 VALUES (1,'x'),(2,'y');
CREATE TABLE t3 (a int) ;
CREATE TABLE t4 ( pk int(11) NOT NULL , b int(11) NOT NULL ) ;
INSERT INTO t4 VALUES (26,9),(27,5),(28,0),(29,3);
CREATE OR REPLACE VIEW v1 AS
SELECT t2.b
FROM t1
JOIN t2
WHERE t2 .c > (
SELECT t2.c FROM t3
);
SELECT * FROM t4 WHERE b NOT IN ( SELECT * FROM v1 );
pk b
26 9
27 5
28 0
29 3
drop view v1;
drop table t1,t2,t3,t4;
# restore default
set @@optimizer_switch= default;

475
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View File

@ -0,0 +1,475 @@
drop table if exists t1,t2,t3,t4;
drop view if exists v1,v2,v3;
# From explain.test:
#
# Bug#37870: Usage of uninitialized value caused failed assertion.
#
create table t1 (dt datetime not null, t time not null);
create table t2 (dt datetime not null);
insert into t1 values ('2001-01-01 1:1:1', '1:1:1'),
('2001-01-01 1:1:1', '1:1:1');
insert into t2 values ('2001-01-01 1:1:1'), ('2001-01-01 1:1:1');
flush tables;
EXPLAIN SELECT OUTR.dt FROM t1 AS OUTR WHERE OUTR.dt IN (SELECT INNR.dt FROM t2 AS INNR WHERE OUTR.dt IS NULL );
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY OUTR ALL NULL NULL NULL NULL 2 Using where; Start temporary
1 PRIMARY INNR ALL NULL NULL NULL NULL 2 Using where; End temporary; Using join buffer (flat, BNL join)
flush tables;
SELECT OUTR.dt FROM t1 AS OUTR WHERE OUTR.dt IN (SELECT INNR.dt FROM t2 AS INNR WHERE OUTR.dt IS NULL );
dt
flush tables;
EXPLAIN SELECT OUTR.dt FROM t1 AS OUTR WHERE OUTR.dt IN ( SELECT INNR.dt FROM t2 AS INNR WHERE OUTR.t < '2005-11-13 7:41:31' );
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY OUTR ALL NULL NULL NULL NULL 2 Using where; Start temporary
1 PRIMARY INNR ALL NULL NULL NULL NULL 2 Using where; End temporary; Using join buffer (flat, BNL join)
flush tables;
SELECT OUTR.dt FROM t1 AS OUTR WHERE OUTR.dt IN ( SELECT INNR.dt FROM t2 AS INNR WHERE OUTR.t < '2005-11-13 7:41:31' );
dt
2001-01-01 01:01:01
2001-01-01 01:01:01
drop tables t1, t2;
# From type_datetime.test:
#
# Bug #32694: NOT NULL table field in a subquery produces invalid results
#
create table t1 (id int(10) not null, cur_date datetime not null);
create table t2 (id int(10) not null, cur_date date not null);
insert into t1 (id, cur_date) values (1, '2007-04-25 18:30:22');
insert into t2 (id, cur_date) values (1, '2007-04-25');
explain extended
select * from t1
where id in (select id from t1 as x1 where (t1.cur_date is null));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings:
Note 1276 Field or reference 'test.t1.cur_date' of SELECT #2 was resolved in SELECT #1
Note 1003 select 1 AS `id`,'2007-04-25 18:30:22' AS `cur_date` from `test`.`t1` semi join (`test`.`t1` `x1`) where (('2007-04-25 18:30:22' = 0))
select * from t1
where id in (select id from t1 as x1 where (t1.cur_date is null));
id cur_date
explain extended
select * from t2
where id in (select id from t2 as x1 where (t2.cur_date is null));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings:
Note 1276 Field or reference 'test.t2.cur_date' of SELECT #2 was resolved in SELECT #1
Note 1003 select 1 AS `id`,'2007-04-25' AS `cur_date` from `test`.`t2` semi join (`test`.`t2` `x1`) where (('2007-04-25' = 0))
select * from t2
where id in (select id from t2 as x1 where (t2.cur_date is null));
id cur_date
insert into t1 (id, cur_date) values (2, '2007-04-26 18:30:22');
insert into t2 (id, cur_date) values (2, '2007-04-26');
explain extended
select * from t1
where id in (select id from t1 as x1 where (t1.cur_date is null));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 Using where; Start temporary
1 PRIMARY x1 ALL NULL NULL NULL NULL 2 100.00 Using where; End temporary; Using join buffer (flat, BNL join)
Warnings:
Note 1276 Field or reference 'test.t1.cur_date' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`cur_date` AS `cur_date` from `test`.`t1` semi join (`test`.`t1` `x1`) where ((`test`.`x1`.`id` = `test`.`t1`.`id`) and (`test`.`t1`.`cur_date` = 0))
select * from t1
where id in (select id from t1 as x1 where (t1.cur_date is null));
id cur_date
explain extended
select * from t2
where id in (select id from t2 as x1 where (t2.cur_date is null));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where; Start temporary
1 PRIMARY x1 ALL NULL NULL NULL NULL 2 100.00 Using where; End temporary; Using join buffer (flat, BNL join)
Warnings:
Note 1276 Field or reference 'test.t2.cur_date' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`id` AS `id`,`test`.`t2`.`cur_date` AS `cur_date` from `test`.`t2` semi join (`test`.`t2` `x1`) where ((`test`.`x1`.`id` = `test`.`t2`.`id`) and (`test`.`t2`.`cur_date` = 0))
select * from t2
where id in (select id from t2 as x1 where (t2.cur_date is null));
id cur_date
drop table t1,t2;
#
# From group_min_max.test
#
create table t1 (
a1 char(64), a2 char(64), b char(16), c char(16) not null, d char(16), dummy char(64) default ' '
);
insert into t1 (a1, a2, b, c, d) values
('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'),
('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'),
('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'),
('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'),
('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'),
('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'),
('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'),
('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'),
('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'),
('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'),
('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'),
('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4'),
('d','a','a','a411','xy1'),('d','a','a','b411','xy2'),('d','a','a','c411','xy3'),('d','a','a','d411','xy4'),
('d','a','b','e412','xy1'),('d','a','b','f412','xy2'),('d','a','b','g412','xy3'),('d','a','b','h412','xy4'),
('d','b','a','i421','xy1'),('d','b','a','j421','xy2'),('d','b','a','k421','xy3'),('d','b','a','l421','xy4'),
('d','b','b','m422','xy1'),('d','b','b','n422','xy2'),('d','b','b','o422','xy3'),('d','b','b','p422','xy4'),
('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'),
('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'),
('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'),
('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'),
('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'),
('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'),
('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'),
('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'),
('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'),
('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'),
('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'),
('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4'),
('d','a','a','a411','xy1'),('d','a','a','b411','xy2'),('d','a','a','c411','xy3'),('d','a','a','d411','xy4'),
('d','a','b','e412','xy1'),('d','a','b','f412','xy2'),('d','a','b','g412','xy3'),('d','a','b','h412','xy4'),
('d','b','a','i421','xy1'),('d','b','a','j421','xy2'),('d','b','a','k421','xy3'),('d','b','a','l421','xy4'),
('d','b','b','m422','xy1'),('d','b','b','n422','xy2'),('d','b','b','o422','xy3'),('d','b','b','p422','xy4');
create index idx_t1_0 on t1 (a1);
create index idx_t1_1 on t1 (a1,a2,b,c);
create index idx_t1_2 on t1 (a1,a2,b);
analyze table t1;
Table Op Msg_type Msg_text
test.t1 analyze status Table is already up to date
create table t2 (
a1 char(64), a2 char(64) not null, b char(16), c char(16), d char(16), dummy char(64) default ' '
);
insert into t2 select * from t1;
insert into t2 (a1, a2, b, c, d) values
('a','a',NULL,'a777','xyz'),('a','a',NULL,'a888','xyz'),('a','a',NULL,'a999','xyz'),
('a','a','a',NULL,'xyz'),
('a','a','b',NULL,'xyz'),
('a','b','a',NULL,'xyz'),
('c','a',NULL,'c777','xyz'),('c','a',NULL,'c888','xyz'),('c','a',NULL,'c999','xyz'),
('d','b','b',NULL,'xyz'),
('e','a','a',NULL,'xyz'),('e','a','a',NULL,'xyz'),('e','a','a',NULL,'xyz'),('e','a','a',NULL,'xyz'),
('e','a','b',NULL,'xyz'),('e','a','b',NULL,'xyz'),('e','a','b',NULL,'xyz'),('e','a','b',NULL,'xyz'),
('a','a',NULL,'a777','xyz'),('a','a',NULL,'a888','xyz'),('a','a',NULL,'a999','xyz'),
('a','a','a',NULL,'xyz'),
('a','a','b',NULL,'xyz'),
('a','b','a',NULL,'xyz'),
('c','a',NULL,'c777','xyz'),('c','a',NULL,'c888','xyz'),('c','a',NULL,'c999','xyz'),
('d','b','b',NULL,'xyz'),
('e','a','a',NULL,'xyz'),('e','a','a',NULL,'xyz'),('e','a','a',NULL,'xyz'),('e','a','a',NULL,'xyz'),
('e','a','b',NULL,'xyz'),('e','a','b',NULL,'xyz'),('e','a','b',NULL,'xyz'),('e','a','b',NULL,'xyz');
create index idx_t2_0 on t2 (a1);
create index idx_t2_1 on t2 (a1,a2,b,c);
create index idx_t2_2 on t2 (a1,a2,b);
analyze table t2;
Table Op Msg_type Msg_text
test.t2 analyze status Table is already up to date
create table t3 (
a1 char(1), a2 char(1), b char(1), c char(4) not null, d char(3), dummy char(1) default ' '
);
insert into t3 (a1, a2, b, c, d) values
('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'),
('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'),
('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'),
('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'),
('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'),
('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'),
('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'),
('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'),
('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'),
('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'),
('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'),
('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4');
insert into t3 (a1, a2, b, c, d) values
('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'),
('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'),
('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'),
('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'),
('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'),
('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'),
('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'),
('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'),
('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'),
('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'),
('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'),
('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4');
insert into t3 (a1, a2, b, c, d) values
('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'),
('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'),
('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'),
('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'),
('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'),
('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'),
('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'),
('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'),
('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'),
('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'),
('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'),
('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4');
insert into t3 (a1, a2, b, c, d) values
('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'),
('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'),
('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'),
('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'),
('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'),
('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'),
('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'),
('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'),
('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'),
('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'),
('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'),
('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4');
create index idx_t3_0 on t3 (a1);
create index idx_t3_1 on t3 (a1,a2,b,c);
create index idx_t3_2 on t3 (a1,a2,b);
analyze table t3;
Table Op Msg_type Msg_text
test.t3 analyze status Table is already up to date
explain select a1,a2,b,c,min(c), max(c) from t1
where exists ( select * from t2
where t2.c in (select c from t3 where t3.c > t1.b) and
t2.c > 'b1' )
group by a1,a2,b;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 range NULL idx_t1_1 147 NULL 17 Using where; Using index for group-by
2 DEPENDENT SUBQUERY t2 index NULL idx_t2_1 163 NULL 164 Using where; Using index
2 DEPENDENT SUBQUERY t3 index NULL idx_t3_1 10 NULL 192 Using where; Using index; FirstMatch(t2)
select a1,a2,b,c,min(c), max(c) from t1
where exists ( select * from t2
where t2.c in (select c from t3 where t3.c > t1.b) and
t2.c > 'b1' )
group by a1,a2,b;
a1 a2 b c min(c) max(c)
a a a d111 a111 d111
a a b h112 e112 h112
a b a l121 i121 l121
a b b p122 m122 p122
b a a d211 a211 d211
b a b h212 e212 h212
b b a l221 i221 l221
b b b p222 m222 p222
c a a d311 a311 d311
c a b h312 e312 h312
c b a l321 i321 l321
c b b p322 m322 p322
d a a d411 a411 d411
d a b h412 e412 h412
d b a l421 i421 l421
d b b p422 m422 p422
explain select a1,a2,b,c,min(c), max(c) from t1
where exists ( select * from t2
where t2.c in (select c from t3 where t3.c > t1.c) and
t2.c > 'b1' )
group by a1,a2,b;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index NULL idx_t1_1 163 NULL 128 Using where; Using index
2 DEPENDENT SUBQUERY t2 index NULL idx_t2_1 163 NULL 164 Using where; Using index
2 DEPENDENT SUBQUERY t3 index NULL idx_t3_1 10 NULL 192 Using where; Using index; FirstMatch(t2)
select a1,a2,b,c,min(c), max(c) from t1
where exists ( select * from t2
where t2.c in (select c from t3 where t3.c > t1.c) and
t2.c > 'b1' )
group by a1,a2,b;
a1 a2 b c min(c) max(c)
a a a a111 a111 d111
a a b e112 e112 h112
a b a i121 i121 l121
a b b m122 m122 p122
b a a a211 a211 d211
b a b e212 e212 h212
b b a i221 i221 l221
b b b m222 m222 p222
c a a a311 a311 d311
c a b e312 e312 h312
c b a i321 i321 l321
c b b m322 m322 o322
d a a a411 a411 d411
d a b e412 e412 h412
d b a i421 i421 l421
d b b m422 m422 o422
drop table t1, t2, t3;
#
# From group_by.test
#
# Bug #21174: Index degrades sort performance and
# optimizer does not honor IGNORE INDEX.
# a.k.a WL3527.
#
CREATE TABLE t1 (a INT, b INT,
PRIMARY KEY (a),
KEY i2(a,b));
INSERT INTO t1 VALUES (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8);
INSERT INTO t1 SELECT a + 8,b FROM t1;
INSERT INTO t1 SELECT a + 16,b FROM t1;
INSERT INTO t1 SELECT a + 32,b FROM t1;
INSERT INTO t1 SELECT a + 64,b FROM t1;
INSERT INTO t1 SELECT a + 128,b FROM t1 limit 16;
ANALYZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 analyze status OK
EXPLAIN SELECT 1 FROM t1 WHERE a IN
(SELECT a FROM t1 USE INDEX (i2) IGNORE INDEX (i2));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index PRIMARY,i2 PRIMARY 4 NULL 144 Using index
1 PRIMARY t1 ALL NULL NULL NULL NULL 144 Using where; FirstMatch(t1)
CREATE TABLE t2 (a INT, b INT, KEY(a));
INSERT INTO t2 VALUES (1, 1), (2, 2), (3,3), (4,4);
EXPLAIN SELECT a, SUM(b) FROM t2 GROUP BY a LIMIT 2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index NULL a 5 NULL 2
EXPLAIN SELECT a, SUM(b) FROM t2 IGNORE INDEX (a) GROUP BY a LIMIT 2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL 4 Using temporary; Using filesort
EXPLAIN SELECT 1 FROM t2 WHERE a IN
(SELECT a FROM t1 USE INDEX (i2) IGNORE INDEX (i2));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 index a a 5 NULL 4 Using index
1 PRIMARY t1 ALL NULL NULL NULL NULL 144 Using where; FirstMatch(t2)
DROP TABLE t1, t2;
#
# From derived_view.test
#
set @tmp_subselect_extra_derived=@@optimizer_switch;
set optimizer_switch='derived_merge=on,derived_with_keys=on';
#
# LP bug #806504: right join over a view/derived table
#
CREATE TABLE t1 (a int, b int) ;
INSERT INTO t1 VALUES (0,0);
CREATE TABLE t2 (a int) ;
INSERT INTO t2 VALUES (0), (0);
CREATE VIEW v1 AS SELECT * FROM t1;
SELECT * FROM t2 RIGHT JOIN (SELECT * FROM t1) AS t ON t.a != 0
WHERE t.a IN (SELECT b FROM t1);
a a b
NULL 0 0
EXPLAIN EXTENDED
SELECT * FROM t2 RIGHT JOIN (SELECT * FROM t1) AS t ON t.a != 0
WHERE t.a IN (SELECT b FROM t1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00
1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a`,0 AS `a`,0 AS `b` from `test`.`t1` semi join (`test`.`t1`) left join `test`.`t2` on((0 <> 0)) where 1
SELECT * FROM t2 RIGHT JOIN v1 AS t ON t.a != 0
WHERE t.a IN (SELECT b FROM t1);
a a b
NULL 0 0
EXPLAIN EXTENDED
SELECT * FROM t2 RIGHT JOIN v1 AS t ON t.a != 0
WHERE t.a IN (SELECT b FROM t1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00
1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a`,0 AS `a`,0 AS `b` from `test`.`t1` semi join (`test`.`t1`) left join `test`.`t2` on((0 <> 0)) where 1
DROP VIEW v1;
DROP TABLE t1,t2;
#
# LP bug #793448: materialized view accessed by two-component key
#
CREATE TABLE t1 (a int, b int);
INSERT INTO t1 VALUES (9,3), (2,5);
CREATE TABLE t2 (a int, b int);
INSERT INTO t2 VALUES (9,3), (3,7), (9,1), (2,5), (2,4), (3,8);
CREATE TABLE t3 (a int, b int);
INSERT INTO t3 VALUES (10,3), (9,7), (9,1), (2,4);
CREATE VIEW v1(a,b) AS SELECT a, MAX(b) FROM t2 GROUP BY a;
CREATE VIEW v2(a,b) AS SELECT a,b FROM t2 UNION SELECT a,b FROM t3;
SELECT * FROM v1;
a b
2 5
3 8
9 3
SELECT a FROM t1 WHERE (a,b) IN (SELECT * FROM v1);
a
9
2
EXPLAIN
SELECT a FROM t1 WHERE (a,b) IN (SELECT * FROM v1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
1 PRIMARY <derived3> ref key0 key0 10 test.t1.a,test.t1.b 2 FirstMatch(t1)
3 DERIVED t2 ALL NULL NULL NULL NULL 6 Using temporary; Using filesort
SELECT * FROM v2;
a b
9 3
3 7
9 1
2 5
2 4
3 8
10 3
9 7
SELECT a FROM t1 WHERE (a,b) IN (SELECT * FROM v2);
a
9
2
EXPLAIN
SELECT a FROM t1 WHERE (a,b) IN (SELECT * FROM v2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
1 PRIMARY <derived3> ref key0 key0 10 test.t1.a,test.t1.b 2 FirstMatch(t1)
3 DERIVED t2 ALL NULL NULL NULL NULL 6
4 UNION t3 ALL NULL NULL NULL NULL 4
NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL
DROP VIEW v1,v2;
DROP TABLE t1,t2,t3;
#
# LP bug #874006: materialized view used in IN subquery
#
CREATE TABLE t3 (a int NOT NULL, b varchar(1), c varchar(1));
INSERT INTO t3 VALUES (19,NULL,NULL), (20,'r','r');
CREATE TABLE t1 (a int, b varchar(1) , c varchar(1));
INSERT INTO t1 VALUES (1,NULL,NULL), (5,'r','r'), (7,'y','y');
CREATE TABLE t2 (a int NOT NULL , b int, c varchar(1));
INSERT INTO t2 VALUES (4,3,'r');
CREATE ALGORITHM=TEMPTABLE VIEW v1 AS SELECT * FROM t1;
SET SESSION optimizer_switch='derived_with_keys=off';
EXPLAIN
SELECT * FROM t3
WHERE t3.b IN (SELECT v1.b FROM v1, t2
WHERE t2.c = v1.c AND t2.c = v1.b AND v1.b = t3.c);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 system NULL NULL NULL NULL 1
1 PRIMARY t3 ALL NULL NULL NULL NULL 2 Using where; Start temporary
1 PRIMARY <derived3> ALL NULL NULL NULL NULL 3 Using where; End temporary; Using join buffer (flat, BNL join)
3 DERIVED t1 ALL NULL NULL NULL NULL 3
SELECT * FROM t3
WHERE t3.b IN (SELECT v1.b FROM v1, t2
WHERE t2.c = v1.c AND t2.c = v1.b AND v1.b = t3.c);
a b c
20 r r
SET SESSION optimizer_switch='derived_with_keys=on';
EXPLAIN
SELECT * FROM t3
WHERE t3.b IN (SELECT v1.b FROM v1, t2
WHERE t2.c = v1.c AND t2.c = v1.b AND v1.b = t3.c);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 system NULL NULL NULL NULL 1
1 PRIMARY <derived3> ref key1 key1 10 const,const 0 Start temporary
1 PRIMARY t3 ALL NULL NULL NULL NULL 2 Using where; End temporary; Using join buffer (flat, BNL join)
3 DERIVED t1 ALL NULL NULL NULL NULL 3
SELECT * FROM t3
WHERE t3.b IN (SELECT v1.b FROM v1, t2
WHERE t2.c = v1.c AND t2.c = v1.b AND v1.b = t3.c);
a b c
20 r r
DROP VIEW v1;
DROP TABLE t1,t2,t3;
#
# LP bug #873263: materialized view used in correlated IN subquery
#
CREATE TABLE t1 (a int, b int) ;
INSERT INTO t1 VALUES (5,4), (9,8);
CREATE TABLE t2 (a int, b int) ;
INSERT INTO t2 VALUES (4,5), (5,1);
CREATE ALGORITHM=TEMPTABLE VIEW v2 AS SELECT * FROM t2;
SET SESSION optimizer_switch='derived_with_keys=on';
EXPLAIN
SELECT * FROM t1 WHERE t1.b IN (SELECT v2.a FROM v2 WHERE v2.b = t1.a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
1 PRIMARY <derived3> ref key0 key0 10 test.t1.b,test.t1.a 2 FirstMatch(t1)
3 DERIVED t2 ALL NULL NULL NULL NULL 2
SELECT * FROM t1 WHERE t1.b IN (SELECT v2.a FROM v2 WHERE v2.b = t1.a);
a b
5 4
DROP VIEW v2;
DROP TABLE t1,t2;
set optimizer_switch= @tmp_subselect_extra_derived;

480
mysql-test/r/subselect_extra_no_semijoin.result Normal file
View File

@ -0,0 +1,480 @@
set @subselect_extra_no_sj_tmp=@@optimizer_switch;
set optimizer_switch='semijoin=off,firstmatch=off,loosescan=off';
drop table if exists t1,t2,t3,t4;
drop view if exists v1,v2,v3;
# From explain.test:
#
# Bug#37870: Usage of uninitialized value caused failed assertion.
#
create table t1 (dt datetime not null, t time not null);
create table t2 (dt datetime not null);
insert into t1 values ('2001-01-01 1:1:1', '1:1:1'),
('2001-01-01 1:1:1', '1:1:1');
insert into t2 values ('2001-01-01 1:1:1'), ('2001-01-01 1:1:1');
flush tables;
EXPLAIN SELECT OUTR.dt FROM t1 AS OUTR WHERE OUTR.dt IN (SELECT INNR.dt FROM t2 AS INNR WHERE OUTR.dt IS NULL );
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY OUTR ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY INNR ALL NULL NULL NULL NULL 2 Using where
flush tables;
SELECT OUTR.dt FROM t1 AS OUTR WHERE OUTR.dt IN (SELECT INNR.dt FROM t2 AS INNR WHERE OUTR.dt IS NULL );
dt
flush tables;
EXPLAIN SELECT OUTR.dt FROM t1 AS OUTR WHERE OUTR.dt IN ( SELECT INNR.dt FROM t2 AS INNR WHERE OUTR.t < '2005-11-13 7:41:31' );
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY OUTR ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY INNR ALL NULL NULL NULL NULL 2 Using where
flush tables;
SELECT OUTR.dt FROM t1 AS OUTR WHERE OUTR.dt IN ( SELECT INNR.dt FROM t2 AS INNR WHERE OUTR.t < '2005-11-13 7:41:31' );
dt
2001-01-01 01:01:01
2001-01-01 01:01:01
drop tables t1, t2;
# From type_datetime.test:
#
# Bug #32694: NOT NULL table field in a subquery produces invalid results
#
create table t1 (id int(10) not null, cur_date datetime not null);
create table t2 (id int(10) not null, cur_date date not null);
insert into t1 (id, cur_date) values (1, '2007-04-25 18:30:22');
insert into t2 (id, cur_date) values (1, '2007-04-25');
explain extended
select * from t1
where id in (select id from t1 as x1 where (t1.cur_date is null));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
Warnings:
Note 1276 Field or reference 'test.t1.cur_date' of SELECT #2 was resolved in SELECT #1
Note 1003 select 1 AS `id`,'2007-04-25 18:30:22' AS `cur_date` from `test`.`t1` where <expr_cache><1>(<in_optimizer>(1,<exists>(select `test`.`x1`.`id` from `test`.`t1` `x1` where 0)))
select * from t1
where id in (select id from t1 as x1 where (t1.cur_date is null));
id cur_date
explain extended
select * from t2
where id in (select id from t2 as x1 where (t2.cur_date is null));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 system NULL NULL NULL NULL 1 100.00
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
Warnings:
Note 1276 Field or reference 'test.t2.cur_date' of SELECT #2 was resolved in SELECT #1
Note 1003 select 1 AS `id`,'2007-04-25' AS `cur_date` from `test`.`t2` where <expr_cache><1>(<in_optimizer>(1,<exists>(select `test`.`x1`.`id` from `test`.`t2` `x1` where 0)))
select * from t2
where id in (select id from t2 as x1 where (t2.cur_date is null));
id cur_date
insert into t1 (id, cur_date) values (2, '2007-04-26 18:30:22');
insert into t2 (id, cur_date) values (2, '2007-04-26');
explain extended
select * from t1
where id in (select id from t1 as x1 where (t1.cur_date is null));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 Using where
2 DEPENDENT SUBQUERY x1 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1276 Field or reference 'test.t1.cur_date' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`cur_date` AS `cur_date` from `test`.`t1` where <expr_cache><`test`.`t1`.`id`,`test`.`t1`.`cur_date`>(<in_optimizer>(`test`.`t1`.`id`,<exists>(select `test`.`x1`.`id` from `test`.`t1` `x1` where ((`test`.`t1`.`cur_date` = 0) and (<cache>(`test`.`t1`.`id`) = `test`.`x1`.`id`)))))
select * from t1
where id in (select id from t1 as x1 where (t1.cur_date is null));
id cur_date
explain extended
select * from t2
where id in (select id from t2 as x1 where (t2.cur_date is null));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
2 DEPENDENT SUBQUERY x1 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1276 Field or reference 'test.t2.cur_date' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`id` AS `id`,`test`.`t2`.`cur_date` AS `cur_date` from `test`.`t2` where <expr_cache><`test`.`t2`.`id`,`test`.`t2`.`cur_date`>(<in_optimizer>(`test`.`t2`.`id`,<exists>(select `test`.`x1`.`id` from `test`.`t2` `x1` where ((`test`.`t2`.`cur_date` = 0) and (<cache>(`test`.`t2`.`id`) = `test`.`x1`.`id`)))))
select * from t2
where id in (select id from t2 as x1 where (t2.cur_date is null));
id cur_date
drop table t1,t2;
#
# From group_min_max.test
#
create table t1 (
a1 char(64), a2 char(64), b char(16), c char(16) not null, d char(16), dummy char(64) default ' '
);
insert into t1 (a1, a2, b, c, d) values
('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'),
('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'),
('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'),
('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'),
('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'),
('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'),
('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'),
('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'),
('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'),
('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'),
('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'),
('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4'),
('d','a','a','a411','xy1'),('d','a','a','b411','xy2'),('d','a','a','c411','xy3'),('d','a','a','d411','xy4'),
('d','a','b','e412','xy1'),('d','a','b','f412','xy2'),('d','a','b','g412','xy3'),('d','a','b','h412','xy4'),
('d','b','a','i421','xy1'),('d','b','a','j421','xy2'),('d','b','a','k421','xy3'),('d','b','a','l421','xy4'),
('d','b','b','m422','xy1'),('d','b','b','n422','xy2'),('d','b','b','o422','xy3'),('d','b','b','p422','xy4'),
('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'),
('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'),
('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'),
('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'),
('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'),
('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'),
('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'),
('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'),
('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'),
('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'),
('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'),
('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4'),
('d','a','a','a411','xy1'),('d','a','a','b411','xy2'),('d','a','a','c411','xy3'),('d','a','a','d411','xy4'),
('d','a','b','e412','xy1'),('d','a','b','f412','xy2'),('d','a','b','g412','xy3'),('d','a','b','h412','xy4'),
('d','b','a','i421','xy1'),('d','b','a','j421','xy2'),('d','b','a','k421','xy3'),('d','b','a','l421','xy4'),
('d','b','b','m422','xy1'),('d','b','b','n422','xy2'),('d','b','b','o422','xy3'),('d','b','b','p422','xy4');
create index idx_t1_0 on t1 (a1);
create index idx_t1_1 on t1 (a1,a2,b,c);
create index idx_t1_2 on t1 (a1,a2,b);
analyze table t1;
Table Op Msg_type Msg_text
test.t1 analyze status Table is already up to date
create table t2 (
a1 char(64), a2 char(64) not null, b char(16), c char(16), d char(16), dummy char(64) default ' '
);
insert into t2 select * from t1;
insert into t2 (a1, a2, b, c, d) values
('a','a',NULL,'a777','xyz'),('a','a',NULL,'a888','xyz'),('a','a',NULL,'a999','xyz'),
('a','a','a',NULL,'xyz'),
('a','a','b',NULL,'xyz'),
('a','b','a',NULL,'xyz'),
('c','a',NULL,'c777','xyz'),('c','a',NULL,'c888','xyz'),('c','a',NULL,'c999','xyz'),
('d','b','b',NULL,'xyz'),
('e','a','a',NULL,'xyz'),('e','a','a',NULL,'xyz'),('e','a','a',NULL,'xyz'),('e','a','a',NULL,'xyz'),
('e','a','b',NULL,'xyz'),('e','a','b',NULL,'xyz'),('e','a','b',NULL,'xyz'),('e','a','b',NULL,'xyz'),
('a','a',NULL,'a777','xyz'),('a','a',NULL,'a888','xyz'),('a','a',NULL,'a999','xyz'),
('a','a','a',NULL,'xyz'),
('a','a','b',NULL,'xyz'),
('a','b','a',NULL,'xyz'),
('c','a',NULL,'c777','xyz'),('c','a',NULL,'c888','xyz'),('c','a',NULL,'c999','xyz'),
('d','b','b',NULL,'xyz'),
('e','a','a',NULL,'xyz'),('e','a','a',NULL,'xyz'),('e','a','a',NULL,'xyz'),('e','a','a',NULL,'xyz'),
('e','a','b',NULL,'xyz'),('e','a','b',NULL,'xyz'),('e','a','b',NULL,'xyz'),('e','a','b',NULL,'xyz');
create index idx_t2_0 on t2 (a1);
create index idx_t2_1 on t2 (a1,a2,b,c);
create index idx_t2_2 on t2 (a1,a2,b);
analyze table t2;
Table Op Msg_type Msg_text
test.t2 analyze status Table is already up to date
create table t3 (
a1 char(1), a2 char(1), b char(1), c char(4) not null, d char(3), dummy char(1) default ' '
);
insert into t3 (a1, a2, b, c, d) values
('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'),
('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'),
('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'),
('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'),
('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'),
('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'),
('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'),
('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'),
('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'),
('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'),
('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'),
('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4');
insert into t3 (a1, a2, b, c, d) values
('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'),
('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'),
('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'),
('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'),
('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'),
('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'),
('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'),
('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'),
('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'),
('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'),
('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'),
('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4');
insert into t3 (a1, a2, b, c, d) values
('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'),
('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'),
('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'),
('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'),
('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'),
('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'),
('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'),
('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'),
('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'),
('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'),
('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'),
('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4');
insert into t3 (a1, a2, b, c, d) values
('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'),
('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'),
('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'),
('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'),
('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'),
('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'),
('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'),
('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'),
('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'),
('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'),
('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'),
('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4');
create index idx_t3_0 on t3 (a1);
create index idx_t3_1 on t3 (a1,a2,b,c);
create index idx_t3_2 on t3 (a1,a2,b);
analyze table t3;
Table Op Msg_type Msg_text
test.t3 analyze status Table is already up to date
explain select a1,a2,b,c,min(c), max(c) from t1
where exists ( select * from t2
where t2.c in (select c from t3 where t3.c > t1.b) and
t2.c > 'b1' )
group by a1,a2,b;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 range NULL idx_t1_1 147 NULL 17 Using where; Using index for group-by
2 DEPENDENT SUBQUERY t2 index NULL idx_t2_1 163 NULL 164 Using where; Using index
3 DEPENDENT SUBQUERY t3 index NULL idx_t3_1 10 NULL 192 Using where; Using index
select a1,a2,b,c,min(c), max(c) from t1
where exists ( select * from t2
where t2.c in (select c from t3 where t3.c > t1.b) and
t2.c > 'b1' )
group by a1,a2,b;
a1 a2 b c min(c) max(c)
a a a d111 a111 d111
a a b h112 e112 h112
a b a l121 i121 l121
a b b p122 m122 p122
b a a d211 a211 d211
b a b h212 e212 h212
b b a l221 i221 l221
b b b p222 m222 p222
c a a d311 a311 d311
c a b h312 e312 h312
c b a l321 i321 l321
c b b p322 m322 p322
d a a d411 a411 d411
d a b h412 e412 h412
d b a l421 i421 l421
d b b p422 m422 p422
explain select a1,a2,b,c,min(c), max(c) from t1
where exists ( select * from t2
where t2.c in (select c from t3 where t3.c > t1.c) and
t2.c > 'b1' )
group by a1,a2,b;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index NULL idx_t1_1 163 NULL 128 Using where; Using index
2 DEPENDENT SUBQUERY t2 index NULL idx_t2_1 163 NULL 164 Using where; Using index
3 DEPENDENT SUBQUERY t3 index NULL idx_t3_1 10 NULL 192 Using where; Using index
select a1,a2,b,c,min(c), max(c) from t1
where exists ( select * from t2
where t2.c in (select c from t3 where t3.c > t1.c) and
t2.c > 'b1' )
group by a1,a2,b;
a1 a2 b c min(c) max(c)
a a a a111 a111 d111
a a b e112 e112 h112
a b a i121 i121 l121
a b b m122 m122 p122
b a a a211 a211 d211
b a b e212 e212 h212
b b a i221 i221 l221
b b b m222 m222 p222
c a a a311 a311 d311
c a b e312 e312 h312
c b a i321 i321 l321
c b b m322 m322 o322
d a a a411 a411 d411
d a b e412 e412 h412
d b a i421 i421 l421
d b b m422 m422 o422
drop table t1, t2, t3;
#
# From group_by.test
#
# Bug #21174: Index degrades sort performance and
# optimizer does not honor IGNORE INDEX.
# a.k.a WL3527.
#
CREATE TABLE t1 (a INT, b INT,
PRIMARY KEY (a),
KEY i2(a,b));
INSERT INTO t1 VALUES (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8);
INSERT INTO t1 SELECT a + 8,b FROM t1;
INSERT INTO t1 SELECT a + 16,b FROM t1;
INSERT INTO t1 SELECT a + 32,b FROM t1;
INSERT INTO t1 SELECT a + 64,b FROM t1;
INSERT INTO t1 SELECT a + 128,b FROM t1 limit 16;
ANALYZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 analyze status OK
EXPLAIN SELECT 1 FROM t1 WHERE a IN
(SELECT a FROM t1 USE INDEX (i2) IGNORE INDEX (i2));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index NULL PRIMARY 4 NULL 144 Using where; Using index
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 144 Using where
CREATE TABLE t2 (a INT, b INT, KEY(a));
INSERT INTO t2 VALUES (1, 1), (2, 2), (3,3), (4,4);
EXPLAIN SELECT a, SUM(b) FROM t2 GROUP BY a LIMIT 2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index NULL a 5 NULL 2
EXPLAIN SELECT a, SUM(b) FROM t2 IGNORE INDEX (a) GROUP BY a LIMIT 2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL 4 Using temporary; Using filesort
EXPLAIN SELECT 1 FROM t2 WHERE a IN
(SELECT a FROM t1 USE INDEX (i2) IGNORE INDEX (i2));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 index NULL a 5 NULL 4 Using where; Using index
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 144 Using where
DROP TABLE t1, t2;
#
# From derived_view.test
#
set @tmp_subselect_extra_derived=@@optimizer_switch;
set optimizer_switch='derived_merge=on,derived_with_keys=on';
#
# LP bug #806504: right join over a view/derived table
#
CREATE TABLE t1 (a int, b int) ;
INSERT INTO t1 VALUES (0,0);
CREATE TABLE t2 (a int) ;
INSERT INTO t2 VALUES (0), (0);
CREATE VIEW v1 AS SELECT * FROM t1;
SELECT * FROM t2 RIGHT JOIN (SELECT * FROM t1) AS t ON t.a != 0
WHERE t.a IN (SELECT b FROM t1);
a a b
NULL 0 0
EXPLAIN EXTENDED
SELECT * FROM t2 RIGHT JOIN (SELECT * FROM t1) AS t ON t.a != 0
WHERE t.a IN (SELECT b FROM t1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
3 DEPENDENT SUBQUERY t1 system NULL NULL NULL NULL 1 100.00
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a`,0 AS `a`,0 AS `b` from `test`.`t1` left join `test`.`t2` on((0 <> 0)) where <expr_cache><0>(<in_optimizer>(0,<exists>(select 0 from `test`.`t1` where (<cache>(0) = 0))))
SELECT * FROM t2 RIGHT JOIN v1 AS t ON t.a != 0
WHERE t.a IN (SELECT b FROM t1);
a a b
NULL 0 0
EXPLAIN EXTENDED
SELECT * FROM t2 RIGHT JOIN v1 AS t ON t.a != 0
WHERE t.a IN (SELECT b FROM t1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
2 DEPENDENT SUBQUERY t1 system NULL NULL NULL NULL 1 100.00
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a`,0 AS `a`,0 AS `b` from `test`.`t1` left join `test`.`t2` on((0 <> 0)) where <expr_cache><0>(<in_optimizer>(0,<exists>(select 0 from `test`.`t1` where (<cache>(0) = 0))))
DROP VIEW v1;
DROP TABLE t1,t2;
#
# LP bug #793448: materialized view accessed by two-component key
#
CREATE TABLE t1 (a int, b int);
INSERT INTO t1 VALUES (9,3), (2,5);
CREATE TABLE t2 (a int, b int);
INSERT INTO t2 VALUES (9,3), (3,7), (9,1), (2,5), (2,4), (3,8);
CREATE TABLE t3 (a int, b int);
INSERT INTO t3 VALUES (10,3), (9,7), (9,1), (2,4);
CREATE VIEW v1(a,b) AS SELECT a, MAX(b) FROM t2 GROUP BY a;
CREATE VIEW v2(a,b) AS SELECT a,b FROM t2 UNION SELECT a,b FROM t3;
SELECT * FROM v1;
a b
2 5
3 8
9 3
SELECT a FROM t1 WHERE (a,b) IN (SELECT * FROM v1);
a
9
2
EXPLAIN
SELECT a FROM t1 WHERE (a,b) IN (SELECT * FROM v1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY <derived3> index_subquery key0 key0 10 func,func 2 Using where
3 DERIVED t2 ALL NULL NULL NULL NULL 6 Using temporary; Using filesort
SELECT * FROM v2;
a b
9 3
3 7
9 1
2 5
2 4
3 8
10 3
9 7
SELECT a FROM t1 WHERE (a,b) IN (SELECT * FROM v2);
a
9
2
EXPLAIN
SELECT a FROM t1 WHERE (a,b) IN (SELECT * FROM v2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY <derived3> index_subquery key0 key0 10 func,func 2 Using where
3 DERIVED t2 ALL NULL NULL NULL NULL 6
4 UNION t3 ALL NULL NULL NULL NULL 4
NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL
DROP VIEW v1,v2;
DROP TABLE t1,t2,t3;
#
# LP bug #874006: materialized view used in IN subquery
#
CREATE TABLE t3 (a int NOT NULL, b varchar(1), c varchar(1));
INSERT INTO t3 VALUES (19,NULL,NULL), (20,'r','r');
CREATE TABLE t1 (a int, b varchar(1) , c varchar(1));
INSERT INTO t1 VALUES (1,NULL,NULL), (5,'r','r'), (7,'y','y');
CREATE TABLE t2 (a int NOT NULL , b int, c varchar(1));
INSERT INTO t2 VALUES (4,3,'r');
CREATE ALGORITHM=TEMPTABLE VIEW v1 AS SELECT * FROM t1;
SET SESSION optimizer_switch='derived_with_keys=off';
EXPLAIN
SELECT * FROM t3
WHERE t3.b IN (SELECT v1.b FROM v1, t2
WHERE t2.c = v1.c AND t2.c = v1.b AND v1.b = t3.c);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 1
2 DEPENDENT SUBQUERY <derived3> ALL NULL NULL NULL NULL 3 Using where
3 DERIVED t1 ALL NULL NULL NULL NULL 3
SELECT * FROM t3
WHERE t3.b IN (SELECT v1.b FROM v1, t2
WHERE t2.c = v1.c AND t2.c = v1.b AND v1.b = t3.c);
a b c
20 r r
SET SESSION optimizer_switch='derived_with_keys=on';
EXPLAIN
SELECT * FROM t3
WHERE t3.b IN (SELECT v1.b FROM v1, t2
WHERE t2.c = v1.c AND t2.c = v1.b AND v1.b = t3.c);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 1
2 DEPENDENT SUBQUERY <derived3> ref key1 key1 10 const,const 0 Using where
3 DERIVED t1 ALL NULL NULL NULL NULL 3
SELECT * FROM t3
WHERE t3.b IN (SELECT v1.b FROM v1, t2
WHERE t2.c = v1.c AND t2.c = v1.b AND v1.b = t3.c);
a b c
20 r r
DROP VIEW v1;
DROP TABLE t1,t2,t3;
#
# LP bug #873263: materialized view used in correlated IN subquery
#
CREATE TABLE t1 (a int, b int) ;
INSERT INTO t1 VALUES (5,4), (9,8);
CREATE TABLE t2 (a int, b int) ;
INSERT INTO t2 VALUES (4,5), (5,1);
CREATE ALGORITHM=TEMPTABLE VIEW v2 AS SELECT * FROM t2;
SET SESSION optimizer_switch='derived_with_keys=on';
EXPLAIN
SELECT * FROM t1 WHERE t1.b IN (SELECT v2.a FROM v2 WHERE v2.b = t1.a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY <derived3> ref key0 key0 5 test.t1.a 2 Using where
3 DERIVED t2 ALL NULL NULL NULL NULL 2
SELECT * FROM t1 WHERE t1.b IN (SELECT v2.a FROM v2 WHERE v2.b = t1.a);
a b
5 4
DROP VIEW v2;
DROP TABLE t1,t2;
set optimizer_switch= @tmp_subselect_extra_derived;
set optimizer_switch= @subselect_extra_no_sj_tmp;

61
mysql-test/r/subselect_innodb.result
View File

@ -1,3 +1,5 @@
set @subselect_innodb_tmp=@@optimizer_switch;
set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
drop table if exists t1,t2,t3;
CREATE TABLE t1
(
@ -245,3 +247,62 @@ x
NULL
drop procedure p1;
drop tables t1,t2,t3;
#
# LP BUG#827416: Crash in select_describe() on EXPLAIN with DISTINCT in nested subqueries
#
CREATE TABLE t3 ( b int) ENGINE=InnoDB;
CREATE TABLE t2 ( c int) ENGINE=InnoDB;
CREATE TABLE t1 ( a int NOT NULL , PRIMARY KEY (a)) ENGINE=InnoDB;
EXPLAIN SELECT *
FROM t1
WHERE t1.a = (
SELECT SUM( c )
FROM t2
WHERE (SELECT DISTINCT b FROM t3) > 0);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 const PRIMARY PRIMARY 4 const 1 Using where; Using index
2 SUBQUERY t2 ALL NULL NULL NULL NULL 1
3 SUBQUERY t3 ALL NULL NULL NULL NULL 1 Using temporary
SELECT *
FROM t1
WHERE t1.a = (
SELECT SUM( c )
FROM t2
WHERE (SELECT DISTINCT b FROM t3) > 0);
a
DROP TABLE t1, t2, t3;
#
# LP BUG#858148 Fourth crash in select_describe() with nested subqueries
#
CREATE TABLE t1 ( f1 int(11)) ENGINE=InnoDB;
CREATE TABLE t2 ( f1 int(11), f2 int(11), PRIMARY KEY (f1)) ;
CREATE TABLE t3 ( f3 int(11)) ENGINE=InnoDB;
EXPLAIN
SELECT MAX( f1 ) FROM t2
WHERE f2 >= (
SELECT SUM( f1 )
FROM t1
WHERE EXISTS (
SELECT f3
FROM t3
GROUP BY 1
)
);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
2 SUBQUERY t1 ALL NULL NULL NULL NULL 1
3 SUBQUERY t3 ALL NULL NULL NULL NULL 1 Using temporary; Using filesort
SELECT MAX( f1 ) FROM t2
WHERE f2 >= (
SELECT SUM( f1 )
FROM t1
WHERE EXISTS (
SELECT f3
FROM t3
GROUP BY 1
)
);
MAX( f1 )
NULL
drop table t1, t2, t3;
set optimizer_switch=@subselect_innodb_tmp;

573
mysql-test/r/subselect_mat.result
View File

@ -1,5 +1,9 @@
set @@optimizer_switch='materialization=on,in_to_exists=off,semijoin=off';
drop table if exists t1, t2, t3, t1i, t2i, t3i;
set @subselect_mat_test_optimizer_switch_value='materialization=on,in_to_exists=off,semijoin=off';
set @subselect_sj_mat_tmp= @@optimizer_switch;
set optimizer_switch=ifnull(@subselect_mat_test_optimizer_switch_value, 'semijoin=on,firstmatch=on,loosescan=on');
set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
set @optimizer_switch_local_default= @@optimizer_switch;
drop table if exists t1, t2, t3, t4, t5, t1i, t2i, t3i;
drop table if exists columns;
drop table if exists t1_16, t2_16, t3_16;
drop view if exists v1, v2, v1m, v2m;
@ -66,7 +70,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 5 100.00 Using where; Using temporary
Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a2`,`test`.`t1`.`a1`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where (`test`.`t2`.`b1` > '0') group by `test`.`t2`.`b1`,`test`.`t2`.`b2` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1`.`a2` = `<subquery2>`.`b2`))))))
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where (`test`.`t2`.`b1` > '0') group by `test`.`t2`.`b1`,`test`.`t2`.`b2` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1`.`a2` = `<subquery2>`.`b2`))))))
select * from t1 where (a1, a2) in (select b1, b2 from t2 where b1 > '0' group by b1, b2);
a1 a2
1 - 01 2 - 01
@ -77,7 +81,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 5 100.00 Using where; Using temporary
Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a2`,`test`.`t1`.`a1`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1`,min(`test`.`t2`.`b2`) from `test`.`t2` where (`test`.`t2`.`b1` > '0') group by `test`.`t2`.`b1` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1`.`a2` = `<subquery2>`.`min(b2)`))))))
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1`,min(`test`.`t2`.`b2`) from `test`.`t2` where (`test`.`t2`.`b1` > '0') group by `test`.`t2`.`b1` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1`.`a2` = `<subquery2>`.`min(b2)`))))))
select * from t1 where (a1, a2) in (select b1, min(b2) from t2 where b1 > '0' group by b1);
a1 a2
1 - 01 2 - 01
@ -110,7 +114,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1i index NULL _it1_idx # NULL 3 100.00 Using where;
2 SUBQUERY t2i index it2i1,it2i3 it2i3 # NULL 5 100.00 Using where;
Warnings:
Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <expr_cache><`test`.`t1i`.`a2`,`test`.`t1i`.`a1`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1i`.`a2` = `<subquery2>`.`b2`))))))
Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <expr_cache><`test`.`t1i`.`a1`,`test`.`t1i`.`a2`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1i`.`a2` = `<subquery2>`.`b2`))))))
select * from t1i where (a1, a2) in (select b1, b2 from t2i where b1 > '0');
a1 a2
1 - 01 2 - 01
@ -121,7 +125,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1i index NULL # # # 3 100.00 #
2 SUBQUERY t2i range it2i1,it2i3 # # # 3 100.00 #
Warnings:
Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <expr_cache><`test`.`t1i`.`a2`,`test`.`t1i`.`a1`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') group by `test`.`t2i`.`b1`,`test`.`t2i`.`b2` ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1i`.`a2` = `<subquery2>`.`b2`))))))
Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <expr_cache><`test`.`t1i`.`a1`,`test`.`t1i`.`a2`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') group by `test`.`t2i`.`b1`,`test`.`t2i`.`b2` ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1i`.`a2` = `<subquery2>`.`b2`))))))
select * from t1i where (a1, a2) in (select b1, b2 from t2i where b1 > '0' group by b1, b2);
a1 a2
1 - 01 2 - 01
@ -132,7 +136,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1i index NULL # # # 3 100.00 #
2 SUBQUERY t2i range it2i1,it2i3 # # # 3 100.00 #
Warnings:
Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <expr_cache><`test`.`t1i`.`a2`,`test`.`t1i`.`a1`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,min(`test`.`t2i`.`b2`) from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') group by `test`.`t2i`.`b1` ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1i`.`a2` = `<subquery2>`.`min(b2)`))))))
Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <expr_cache><`test`.`t1i`.`a1`,`test`.`t1i`.`a2`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,min(`test`.`t2i`.`b2`) from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') group by `test`.`t2i`.`b1` ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1i`.`a2` = `<subquery2>`.`min(b2)`))))))
select * from t1i where (a1, a2) in (select b1, min(b2) from t2i where b1 > '0' group by b1);
a1 a2
1 - 01 2 - 01
@ -143,7 +147,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2i range NULL it2i3 9 NULL 3 100.00 Using index for group-by
Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a2`,`test`.`t1`.`a1`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,max(`test`.`t2i`.`b2`) from `test`.`t2i` group by `test`.`t2i`.`b1` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1`.`a2` = `<subquery2>`.`max(b2)`))))))
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,max(`test`.`t2i`.`b2`) from `test`.`t2i` group by `test`.`t2i`.`b1` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1`.`a2` = `<subquery2>`.`max(b2)`))))))
select * from t1 where (a1, a2) in (select b1, max(b2) from t2i group by b1);
a1 a2
1 - 01 2 - 01
@ -172,7 +176,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2i range it2i1,it2i3 it2i3 18 NULL 3 100.00 Using where; Using index for group-by
Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a2`,`test`.`t1`.`a1`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,min(`test`.`t2i`.`b2`) from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') group by `test`.`t2i`.`b1` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1`.`a2` = `<subquery2>`.`min(b2)`))))))
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,min(`test`.`t2i`.`b2`) from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') group by `test`.`t2i`.`b1` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1`.`a2` = `<subquery2>`.`min(b2)`))))))
select * from t1 where (a1, a2) in (select b1, min(b2) from t2i where b1 > '0' group by b1);
a1 a2
1 - 01 2 - 01
@ -180,28 +184,34 @@ a1 a2
select * from t1 where (a1, a2) in (select b1, min(b2) from t2i limit 1,1);
ERROR 42000: This version of MySQL doesn't yet support 'LIMIT & IN/ALL/ANY/SOME subquery'
set @save_optimizer_switch=@@optimizer_switch;
set @@optimizer_switch='default,semijoin=off';
set @@optimizer_switch=@optimizer_switch_local_default;
set @@optimizer_switch='semijoin=off';
prepare st1 from
"select * from t1 where (a1, a2) in (select b1, min(b2) from t2 where b1 > '0' group by b1)";
set @@optimizer_switch='default,materialization=off';
set @@optimizer_switch=@optimizer_switch_local_default;
set @@optimizer_switch='materialization=off,in_to_exists=on';
execute st1;
a1 a2
1 - 01 2 - 01
1 - 02 2 - 02
set @@optimizer_switch='default,semijoin=off';
set @@optimizer_switch=@optimizer_switch_local_default;
set @@optimizer_switch='semijoin=off';
execute st1;
a1 a2
1 - 01 2 - 01
1 - 02 2 - 02
set @@optimizer_switch='default,materialization=off';
set @@optimizer_switch=@optimizer_switch_local_default;
set @@optimizer_switch='materialization=off,in_to_exists=on';
prepare st1 from
"select * from t1 where (a1, a2) in (select b1, min(b2) from t2 where b1 > '0' group by b1)";
set @@optimizer_switch='default,semijoin=off';
set @@optimizer_switch=@optimizer_switch_local_default;
set @@optimizer_switch='semijoin=off';
execute st1;
a1 a2
1 - 01 2 - 01
1 - 02 2 - 02
set @@optimizer_switch='default,materialization=off';
set @@optimizer_switch=@optimizer_switch_local_default;
set @@optimizer_switch='materialization=off,in_to_exists=on';
execute st1;
a1 a2
1 - 01 2 - 01
@ -213,7 +223,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 5 100.00
Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a2`,`test`.`t1`.`a1`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` order by `test`.`t2`.`b1`,`test`.`t2`.`b2` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1`.`a2` = `<subquery2>`.`b2`))))))
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` order by `test`.`t2`.`b1`,`test`.`t2`.`b2` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1`.`a2` = `<subquery2>`.`b2`))))))
select * from t1 where (a1, a2) in (select b1, b2 from t2 order by b1, b2);
a1 a2
1 - 01 2 - 01
@ -224,7 +234,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1i index NULL it1i3 18 NULL 3 100.00 Using where; Using index
2 SUBQUERY t2i index NULL it2i3 18 NULL 5 100.00 Using index
Warnings:
Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <expr_cache><`test`.`t1i`.`a2`,`test`.`t1i`.`a1`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` order by `test`.`t2i`.`b1`,`test`.`t2i`.`b2` ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1i`.`a2` = `<subquery2>`.`b2`))))))
Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <expr_cache><`test`.`t1i`.`a1`,`test`.`t1i`.`a2`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` order by `test`.`t2i`.`b1`,`test`.`t2i`.`b2` ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1i`.`a2` = `<subquery2>`.`b2`))))))
select * from t1i where (a1, a2) in (select b1, b2 from t2i order by b1, b2);
a1 a2
1 - 01 2 - 01
@ -279,7 +289,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
4 SUBQUERY t2i index it2i2 it2i3 18 NULL 5 100.00 Using where; Using index
2 SUBQUERY t2 ALL NULL NULL NULL NULL 5 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (<expr_cache><`test`.`t1`.`a2`,`test`.`t1`.`a1`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where (`test`.`t2`.`b1` > '0') ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1`.`a2` = `<subquery2>`.`b2`)))))) and <expr_cache><`test`.`t1`.`a2`,`test`.`t1`.`a1`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t3`.`c1`,`test`.`t3`.`c2` from `test`.`t3` where <expr_cache><`test`.`t3`.`c2`,`test`.`t3`.`c1`>(<in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where ((`test`.`t3`.`c1` = `<subquery4>`.`b1`) and (`test`.`t3`.`c2` = `<subquery4>`.`b2`)))))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery3>`.`c1`) and (`test`.`t1`.`a2` = `<subquery3>`.`c2`)))))))
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (<expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where (`test`.`t2`.`b1` > '0') ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1`.`a2` = `<subquery2>`.`b2`)))))) and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t3`.`c1`,`test`.`t3`.`c2` from `test`.`t3` where <expr_cache><`test`.`t3`.`c1`,`test`.`t3`.`c2`>(<in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where ((`test`.`t3`.`c1` = `<subquery4>`.`b1`) and (`test`.`t3`.`c2` = `<subquery4>`.`b2`)))))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery3>`.`c1`) and (`test`.`t1`.`a2` = `<subquery3>`.`c2`)))))))
select * from t1
where (a1, a2) in (select b1, b2 from t2 where b1 > '0') and
(a1, a2) in (select c1, c2 from t3
@ -298,7 +308,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
4 SUBQUERY t2i index it2i2 # # # 5 100.00 #
2 SUBQUERY t2i index it2i1,it2i3 # # # 5 100.00 #
Warnings:
Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where (<expr_cache><`test`.`t1i`.`a2`,`test`.`t1i`.`a1`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1i`.`a2` = `<subquery2>`.`b2`)))))) and <expr_cache><`test`.`t1i`.`a2`,`test`.`t1i`.`a1`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t3i`.`c1`,`test`.`t3i`.`c2` from `test`.`t3i` where <expr_cache><`test`.`t3i`.`c2`,`test`.`t3i`.`c1`>(<in_optimizer>((`test`.`t3i`.`c1`,`test`.`t3i`.`c2`),(`test`.`t3i`.`c1`,`test`.`t3i`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3i`.`c1` in <temporary table> on distinct_key where ((`test`.`t3i`.`c1` = `<subquery4>`.`b1`) and (`test`.`t3i`.`c2` = `<subquery4>`.`b2`)))))) ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `<subquery3>`.`c1`) and (`test`.`t1i`.`a2` = `<subquery3>`.`c2`)))))))
Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where (<expr_cache><`test`.`t1i`.`a1`,`test`.`t1i`.`a2`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1i`.`a2` = `<subquery2>`.`b2`)))))) and <expr_cache><`test`.`t1i`.`a1`,`test`.`t1i`.`a2`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t3i`.`c1`,`test`.`t3i`.`c2` from `test`.`t3i` where <expr_cache><`test`.`t3i`.`c1`,`test`.`t3i`.`c2`>(<in_optimizer>((`test`.`t3i`.`c1`,`test`.`t3i`.`c2`),(`test`.`t3i`.`c1`,`test`.`t3i`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3i`.`c1` in <temporary table> on distinct_key where ((`test`.`t3i`.`c1` = `<subquery4>`.`b1`) and (`test`.`t3i`.`c2` = `<subquery4>`.`b2`)))))) ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `<subquery3>`.`c1`) and (`test`.`t1i`.`a2` = `<subquery3>`.`c2`)))))))
select * from t1i
where (a1, a2) in (select b1, b2 from t2i where b1 > '0') and
(a1, a2) in (select c1, c2 from t3i
@ -321,7 +331,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
4 SUBQUERY t3 ALL NULL NULL NULL NULL 4 100.00 Using where
3 SUBQUERY t3 ALL NULL NULL NULL NULL 4 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (<expr_cache><`test`.`t1`.`a2`,`test`.`t1`.`a1`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where (<expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where (`test`.`t3`.`c2` like '%02') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `<subquery3>`.`c2`)))))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where (`test`.`t3`.`c2` like '%03') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `<subquery4>`.`c2`))))))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1`.`a2` = `<subquery2>`.`b2`)))))) and <expr_cache><`test`.`t1`.`a2`,`test`.`t1`.`a1`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t3`.`c1`,`test`.`t3`.`c2` from `test`.`t3` where <expr_cache><`test`.`t3`.`c2`,`test`.`t3`.`c1`>(<in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where ((`test`.`t3`.`c1` = `<subquery6>`.`b1`) and (`test`.`t3`.`c2` = `<subquery6>`.`b2`)))))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery5>`.`c1`) and (`test`.`t1`.`a2` = `<subquery5>`.`c2`)))))))
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (<expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where (<expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where (`test`.`t3`.`c2` like '%02') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `<subquery3>`.`c2`)))))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where (`test`.`t3`.`c2` like '%03') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `<subquery4>`.`c2`))))))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1`.`a2` = `<subquery2>`.`b2`)))))) and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t3`.`c1`,`test`.`t3`.`c2` from `test`.`t3` where <expr_cache><`test`.`t3`.`c1`,`test`.`t3`.`c2`>(<in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where ((`test`.`t3`.`c1` = `<subquery6>`.`b1`) and (`test`.`t3`.`c2` = `<subquery6>`.`b2`)))))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery5>`.`c1`) and (`test`.`t1`.`a2` = `<subquery5>`.`c2`)))))))
select * from t1
where (a1, a2) in (select b1, b2 from t2
where b2 in (select c2 from t3 where c2 LIKE '%02') or
@ -346,7 +356,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t3a ALL NULL NULL NULL NULL 4 100.00 Using where
Warnings:
Note 1276 Field or reference 'test.t1.a1' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (<expr_cache><`test`.`t1`.`a2`,`test`.`t1`.`a1`,`test`.`t1`.`a1`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where ((<expr_cache><`test`.`t2`.`b2`,`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t2`.`b2`,<exists>(select `test`.`t3a`.`c2` from `test`.`t3` `t3a` where ((`test`.`t3a`.`c1` = `test`.`t1`.`a1`) and (<cache>(`test`.`t2`.`b2`) = `test`.`t3a`.`c2`))))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3b`.`c2` from `test`.`t3` `t3b` where (`test`.`t3b`.`c2` like '%03') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `<subquery4>`.`c2`))))))) and (<cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`))))) and <expr_cache><`test`.`t1`.`a2`,`test`.`t1`.`a1`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t3c`.`c1`,`test`.`t3c`.`c2` from `test`.`t3` `t3c` where <expr_cache><`test`.`t3c`.`c2`,`test`.`t3c`.`c1`>(<in_optimizer>((`test`.`t3c`.`c1`,`test`.`t3c`.`c2`),(`test`.`t3c`.`c1`,`test`.`t3c`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3c`.`c1` in <temporary table> on distinct_key where ((`test`.`t3c`.`c1` = `<subquery6>`.`b1`) and (`test`.`t3c`.`c2` = `<subquery6>`.`b2`)))))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery5>`.`c1`) and (`test`.`t1`.`a2` = `<subquery5>`.`c2`)))))))
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (<expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where ((<expr_cache><`test`.`t2`.`b2`,`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t2`.`b2`,<exists>(select `test`.`t3a`.`c2` from `test`.`t3` `t3a` where ((`test`.`t3a`.`c1` = `test`.`t1`.`a1`) and (<cache>(`test`.`t2`.`b2`) = `test`.`t3a`.`c2`))))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3b`.`c2` from `test`.`t3` `t3b` where (`test`.`t3b`.`c2` like '%03') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `<subquery4>`.`c2`))))))) and (<cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`))))) and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t3c`.`c1`,`test`.`t3c`.`c2` from `test`.`t3` `t3c` where <expr_cache><`test`.`t3c`.`c1`,`test`.`t3c`.`c2`>(<in_optimizer>((`test`.`t3c`.`c1`,`test`.`t3c`.`c2`),(`test`.`t3c`.`c1`,`test`.`t3c`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3c`.`c1` in <temporary table> on distinct_key where ((`test`.`t3c`.`c1` = `<subquery6>`.`b1`) and (`test`.`t3c`.`c2` = `<subquery6>`.`b2`)))))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery5>`.`c1`) and (`test`.`t1`.`a2` = `<subquery5>`.`c2`)))))))
select * from t1
where (a1, a2) in (select b1, b2 from t2
where b2 in (select c2 from t3 t3a where c1 = a1) or
@ -382,7 +392,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
8 SUBQUERY t2i index it2i1,it2i3 # # # 5 100.00 #
NULL UNION RESULT <union1,7> ALL NULL # # # NULL NULL #
Warnings:
Note 1003 (select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (<expr_cache><`test`.`t1`.`a2`,`test`.`t1`.`a1`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where (<expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where (`test`.`t3`.`c2` like '%02') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `<subquery3>`.`c2`)))))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where (`test`.`t3`.`c2` like '%03') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `<subquery4>`.`c2`))))))) group by `test`.`t2`.`b1`,`test`.`t2`.`b2` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1`.`a2` = `<subquery2>`.`b2`)))))) and <expr_cache><`test`.`t1`.`a2`,`test`.`t1`.`a1`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t3`.`c1`,`test`.`t3`.`c2` from `test`.`t3` where <expr_cache><`test`.`t3`.`c2`,`test`.`t3`.`c1`>(<in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where ((`test`.`t3`.`c1` = `<subquery6>`.`b1`) and (`test`.`t3`.`c2` = `<subquery6>`.`b2`)))))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery5>`.`c1`) and (`test`.`t1`.`a2` = `<subquery5>`.`c2`)))))))) union (select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where (<expr_cache><`test`.`t1i`.`a2`,`test`.`t1i`.`a1`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `<subquery8>`.`b1`) and (`test`.`t1i`.`a2` = `<subquery8>`.`b2`)))))) and <expr_cache><`test`.`t1i`.`a2`,`test`.`t1i`.`a1`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t3i`.`c1`,`test`.`t3i`.`c2` from `test`.`t3i` where <expr_cache><`test`.`t3i`.`c2`,`test`.`t3i`.`c1`>(<in_optimizer>((`test`.`t3i`.`c1`,`test`.`t3i`.`c2`),(`test`.`t3i`.`c1`,`test`.`t3i`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3i`.`c1` in <temporary table> on distinct_key where ((`test`.`t3i`.`c1` = `<subquery10>`.`b1`) and (`test`.`t3i`.`c2` = `<subquery10>`.`b2`)))))) ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `<subquery9>`.`c1`) and (`test`.`t1i`.`a2` = `<subquery9>`.`c2`))))))))
Note 1003 (select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (<expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where (<expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where (`test`.`t3`.`c2` like '%02') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `<subquery3>`.`c2`)))))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where (`test`.`t3`.`c2` like '%03') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `<subquery4>`.`c2`))))))) group by `test`.`t2`.`b1`,`test`.`t2`.`b2` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1`.`a2` = `<subquery2>`.`b2`)))))) and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t3`.`c1`,`test`.`t3`.`c2` from `test`.`t3` where <expr_cache><`test`.`t3`.`c1`,`test`.`t3`.`c2`>(<in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where ((`test`.`t3`.`c1` = `<subquery6>`.`b1`) and (`test`.`t3`.`c2` = `<subquery6>`.`b2`)))))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery5>`.`c1`) and (`test`.`t1`.`a2` = `<subquery5>`.`c2`)))))))) union (select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where (<expr_cache><`test`.`t1i`.`a1`,`test`.`t1i`.`a2`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `<subquery8>`.`b1`) and (`test`.`t1i`.`a2` = `<subquery8>`.`b2`)))))) and <expr_cache><`test`.`t1i`.`a1`,`test`.`t1i`.`a2`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t3i`.`c1`,`test`.`t3i`.`c2` from `test`.`t3i` where <expr_cache><`test`.`t3i`.`c1`,`test`.`t3i`.`c2`>(<in_optimizer>((`test`.`t3i`.`c1`,`test`.`t3i`.`c2`),(`test`.`t3i`.`c1`,`test`.`t3i`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3i`.`c1` in <temporary table> on distinct_key where ((`test`.`t3i`.`c1` = `<subquery10>`.`b1`) and (`test`.`t3i`.`c2` = `<subquery10>`.`b2`)))))) ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `<subquery9>`.`c1`) and (`test`.`t1i`.`a2` = `<subquery9>`.`c2`))))))))
(select * from t1
where (a1, a2) in (select b1, b2 from t2
where b2 in (select c2 from t3 where c2 LIKE '%02') or
@ -411,7 +421,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT UNION t2 ALL NULL NULL NULL NULL 5 100.00 Using where
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (<expr_cache><`test`.`t1`.`a2`,`test`.`t1`.`a1`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t1`.`a1`,`test`.`t1`.`a2` from `test`.`t1` where ((`test`.`t1`.`a1` > '0') and (<cache>(`test`.`t1`.`a1`) = `test`.`t1`.`a1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t1`.`a2`)) union select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where ((`test`.`t2`.`b1` < '9') and (<cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`))))) and <expr_cache><`test`.`t1`.`a2`,`test`.`t1`.`a1`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t3`.`c1`,`test`.`t3`.`c2` from `test`.`t3` where <expr_cache><`test`.`t3`.`c2`,`test`.`t3`.`c1`>(<in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where ((`test`.`t3`.`c1` = `<subquery5>`.`b1`) and (`test`.`t3`.`c2` = `<subquery5>`.`b2`)))))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery4>`.`c1`) and (`test`.`t1`.`a2` = `<subquery4>`.`c2`)))))))
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (<expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t1`.`a1`,`test`.`t1`.`a2` from `test`.`t1` where ((`test`.`t1`.`a1` > '0') and (<cache>(`test`.`t1`.`a1`) = `test`.`t1`.`a1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t1`.`a2`)) union select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where ((`test`.`t2`.`b1` < '9') and (<cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`))))) and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t3`.`c1`,`test`.`t3`.`c2` from `test`.`t3` where <expr_cache><`test`.`t3`.`c1`,`test`.`t3`.`c2`>(<in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where ((`test`.`t3`.`c1` = `<subquery5>`.`b1`) and (`test`.`t3`.`c2` = `<subquery5>`.`b2`)))))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery4>`.`c1`) and (`test`.`t1`.`a2` = `<subquery4>`.`c2`)))))))
select * from t1
where (a1, a2) in (select * from t1 where a1 > '0' UNION select * from t2 where b1 < '9') and
(a1, a2) in (select c1, c2 from t3
@ -434,7 +444,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT UNION t2 ALL NULL NULL NULL NULL 5 100.00 Using where
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,`test`.`t3`.`c1` AS `c1`,`test`.`t3`.`c2` AS `c2` from `test`.`t1` join `test`.`t3` where ((`test`.`t3`.`c1` = `test`.`t1`.`a1`) and <expr_cache><`test`.`t1`.`a2`,`test`.`t1`.`a1`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t1`.`a1`,`test`.`t1`.`a2` from `test`.`t1` where ((`test`.`t1`.`a1` > '0') and (<cache>(`test`.`t1`.`a1`) = `test`.`t1`.`a1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t1`.`a2`)) union select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where ((`test`.`t2`.`b1` < '9') and (<cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`))))) and <expr_cache><`test`.`t3`.`c2`,`test`.`t3`.`c1`>(<in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t3`.`c1`,`test`.`t3`.`c2` from `test`.`t3` where <expr_cache><`test`.`t3`.`c2`,`test`.`t3`.`c1`>(<in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where ((`test`.`t3`.`c1` = `<subquery5>`.`b1`) and (`test`.`t3`.`c2` = `<subquery5>`.`b2`)))))) ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where ((`test`.`t3`.`c1` = `<subquery4>`.`c1`) and (`test`.`t3`.`c2` = `<subquery4>`.`c2`)))))))
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,`test`.`t3`.`c1` AS `c1`,`test`.`t3`.`c2` AS `c2` from `test`.`t1` join `test`.`t3` where ((`test`.`t3`.`c1` = `test`.`t1`.`a1`) and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t1`.`a1`,`test`.`t1`.`a2` from `test`.`t1` where ((`test`.`t1`.`a1` > '0') and (<cache>(`test`.`t1`.`a1`) = `test`.`t1`.`a1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t1`.`a2`)) union select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where ((`test`.`t2`.`b1` < '9') and (<cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`))))) and <expr_cache><`test`.`t3`.`c1`,`test`.`t3`.`c2`>(<in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t3`.`c1`,`test`.`t3`.`c2` from `test`.`t3` where <expr_cache><`test`.`t3`.`c1`,`test`.`t3`.`c2`>(<in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where ((`test`.`t3`.`c1` = `<subquery5>`.`b1`) and (`test`.`t3`.`c2` = `<subquery5>`.`b2`)))))) ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where ((`test`.`t3`.`c1` = `<subquery4>`.`c1`) and (`test`.`t3`.`c2` = `<subquery4>`.`c2`)))))))
select * from t1, t3
where (a1, a2) in (select * from t1 where a1 > '0' UNION select * from t2 where b1 < '9') and
(c1, c2) in (select c1, c2 from t3
@ -480,14 +490,14 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings:
Note 1276 Field or reference 'test.t1.a1' of SELECT #3 was resolved in SELECT #1
Note 1276 Field or reference 'test.t1.a2' of SELECT #6 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (<expr_cache><`test`.`t1`.`a2`,`test`.`t1`.`a1`,`test`.`t1`.`a1`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where ((<expr_cache><`test`.`t2`.`b2`,`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t2`.`b2`,<exists>(select `test`.`t3a`.`c2` from `test`.`t3` `t3a` where ((`test`.`t3a`.`c1` = `test`.`t1`.`a1`) and (<cache>(`test`.`t2`.`b2`) = `test`.`t3a`.`c2`))))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3b`.`c2` from `test`.`t3` `t3b` where (`test`.`t3b`.`c2` like '%03') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `<subquery4>`.`c2`))))))) and (<cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`))))) and <expr_cache><`test`.`t1`.`a2`,`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t3c`.`c1`,`test`.`t3c`.`c2` from `test`.`t3` `t3c` where (<expr_cache><`test`.`t3c`.`c2`,`test`.`t3c`.`c1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t3c`.`c1`,`test`.`t3c`.`c2`),<exists>(<index_lookup>(<cache>(`test`.`t3c`.`c1`) in t2i on it2i3 where (((`test`.`t2i`.`b2` > '0') or (`test`.`t2i`.`b2` = `test`.`t1`.`a2`)) and (<cache>(`test`.`t3c`.`c1`) = `test`.`t2i`.`b1`) and (<cache>(`test`.`t3c`.`c2`) = `test`.`t2i`.`b2`)))))) and (<cache>(`test`.`t1`.`a1`) = `test`.`t3c`.`c1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t3c`.`c2`))))))
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (<expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where ((<expr_cache><`test`.`t2`.`b2`,`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t2`.`b2`,<exists>(select `test`.`t3a`.`c2` from `test`.`t3` `t3a` where ((`test`.`t3a`.`c1` = `test`.`t1`.`a1`) and (<cache>(`test`.`t2`.`b2`) = `test`.`t3a`.`c2`))))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3b`.`c2` from `test`.`t3` `t3b` where (`test`.`t3b`.`c2` like '%03') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `<subquery4>`.`c2`))))))) and (<cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`))))) and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t3c`.`c1`,`test`.`t3c`.`c2` from `test`.`t3` `t3c` where (<expr_cache><`test`.`t3c`.`c1`,`test`.`t3c`.`c2`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t3c`.`c1`,`test`.`t3c`.`c2`),<exists>(<index_lookup>(<cache>(`test`.`t3c`.`c1`) in t2i on it2i3 where (((`test`.`t2i`.`b2` > '0') or (`test`.`t2i`.`b2` = `test`.`t1`.`a2`)) and (<cache>(`test`.`t3c`.`c1`) = `test`.`t2i`.`b1`) and (<cache>(`test`.`t3c`.`c2`) = `test`.`t2i`.`b2`)))))) and (<cache>(`test`.`t1`.`a1`) = `test`.`t3c`.`c1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t3c`.`c2`))))))
explain extended
select * from t1 where (a1, a2) in (select '1 - 01', '2 - 01');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a2`,`test`.`t1`.`a1`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select '1 - 01','2 - 01' having (((<cache>(`test`.`t1`.`a1`) = '1 - 01') or isnull('1 - 01')) and ((<cache>(`test`.`t1`.`a2`) = '2 - 01') or isnull('2 - 01')) and <is_not_null_test>('1 - 01') and <is_not_null_test>('2 - 01')))))
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select '1 - 01','2 - 01' having (((<cache>(`test`.`t1`.`a1`) = '1 - 01') or isnull('1 - 01')) and ((<cache>(`test`.`t1`.`a2`) = '2 - 01') or isnull('2 - 01')) and <is_not_null_test>('1 - 01') and <is_not_null_test>('2 - 01')))))
select * from t1 where (a1, a2) in (select '1 - 01', '2 - 01');
a1 a2
1 - 01 2 - 01
@ -497,7 +507,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a2`,`test`.`t1`.`a1`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select '1 - 01','2 - 01' having (((<cache>(`test`.`t1`.`a1`) = '1 - 01') or isnull('1 - 01')) and ((<cache>(`test`.`t1`.`a2`) = '2 - 01') or isnull('2 - 01')) and <is_not_null_test>('1 - 01') and <is_not_null_test>('2 - 01')))))
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select '1 - 01','2 - 01' having (((<cache>(`test`.`t1`.`a1`) = '1 - 01') or isnull('1 - 01')) and ((<cache>(`test`.`t1`.`a2`) = '2 - 01') or isnull('2 - 01')) and <is_not_null_test>('1 - 01') and <is_not_null_test>('2 - 01')))))
select * from t1 where (a1, a2) in (select '1 - 01', '2 - 01' from dual);
a1 a2
1 - 01 2 - 01
@ -600,7 +610,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1_16 ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY t2_16 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings:
Note 1003 select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where <expr_cache><`test`.`t1_16`.`a2`,`test`.`t1_16`.`a1`>(<in_optimizer>((`test`.`t1_16`.`a1`,`test`.`t1_16`.`a2`),<exists>(select `test`.`t2_16`.`b1`,`test`.`t2_16`.`b2` from `test`.`t2_16` where ((`test`.`t2_16`.`b1` > '0') and (<cache>(`test`.`t1_16`.`a1`) = `test`.`t2_16`.`b1`) and (<cache>(`test`.`t1_16`.`a2`) = `test`.`t2_16`.`b2`)))))
Note 1003 select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where <expr_cache><`test`.`t1_16`.`a1`,`test`.`t1_16`.`a2`>(<in_optimizer>((`test`.`t1_16`.`a1`,`test`.`t1_16`.`a2`),<exists>(select `test`.`t2_16`.`b1`,`test`.`t2_16`.`b2` from `test`.`t2_16` where ((`test`.`t2_16`.`b1` > '0') and (<cache>(`test`.`t1_16`.`a1`) = `test`.`t2_16`.`b1`) and (<cache>(`test`.`t1_16`.`a2`) = `test`.`t2_16`.`b2`)))))
select left(a1,7), left(a2,7)
from t1_16
where (a1,a2) in (select b1, b2 from t2_16 where b1 > '0');
@ -665,7 +675,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 5 100.00 Using where; Using join buffer (flat, BNL join)
4 SUBQUERY t3 ALL NULL NULL NULL NULL 4 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><concat(`test`.`t1`.`a1`,'x')>(<in_optimizer>(concat(`test`.`t1`.`a1`,'x'),<exists>(select left(`test`.`t1_16`.`a1`,8) from `test`.`t1_16` where (<expr_cache><`test`.`t1_16`.`a2`,`test`.`t1_16`.`a1`>(<in_optimizer>((`test`.`t1_16`.`a1`,`test`.`t1_16`.`a2`),<exists>(select `test`.`t2_16`.`b1`,`test`.`t2_16`.`b2` from `test`.`t2_16` join `test`.`t2` where ((`test`.`t2`.`b2` = substr(`test`.`t2_16`.`b2`,1,6)) and <expr_cache><`test`.`t2`.`b1`>(<in_optimizer>(`test`.`t2`.`b1`,`test`.`t2`.`b1` in ( <materialize> (select `test`.`t3`.`c1` from `test`.`t3` where (`test`.`t3`.`c2` > '0') ), <primary_index_lookup>(`test`.`t2`.`b1` in <temporary table> on distinct_key where ((`test`.`t2`.`b1` = `<subquery4>`.`c1`)))))) and (<cache>(`test`.`t1_16`.`a1`) = `test`.`t2_16`.`b1`) and (<cache>(`test`.`t1_16`.`a2`) = `test`.`t2_16`.`b2`))))) and (<cache>(concat(`test`.`t1`.`a1`,'x')) = left(`test`.`t1_16`.`a1`,8))))))
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><concat(`test`.`t1`.`a1`,'x')>(<in_optimizer>(concat(`test`.`t1`.`a1`,'x'),<exists>(select left(`test`.`t1_16`.`a1`,8) from `test`.`t1_16` where (<expr_cache><`test`.`t1_16`.`a1`,`test`.`t1_16`.`a2`>(<in_optimizer>((`test`.`t1_16`.`a1`,`test`.`t1_16`.`a2`),<exists>(select `test`.`t2_16`.`b1`,`test`.`t2_16`.`b2` from `test`.`t2_16` join `test`.`t2` where ((`test`.`t2`.`b2` = substr(`test`.`t2_16`.`b2`,1,6)) and <expr_cache><`test`.`t2`.`b1`>(<in_optimizer>(`test`.`t2`.`b1`,`test`.`t2`.`b1` in ( <materialize> (select `test`.`t3`.`c1` from `test`.`t3` where (`test`.`t3`.`c2` > '0') ), <primary_index_lookup>(`test`.`t2`.`b1` in <temporary table> on distinct_key where ((`test`.`t2`.`b1` = `<subquery4>`.`c1`)))))) and (<cache>(`test`.`t1_16`.`a1`) = `test`.`t2_16`.`b1`) and (<cache>(`test`.`t1_16`.`a2`) = `test`.`t2_16`.`b2`))))) and (<cache>(concat(`test`.`t1`.`a1`,'x')) = left(`test`.`t1_16`.`a1`,8))))))
drop table t1_16, t2_16, t3_16;
set @blob_len = 512;
set @suffix_len = @blob_len - @prefix_len;
@ -713,7 +723,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1_512 ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY t2_512 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings:
Note 1003 select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` where <expr_cache><`test`.`t1_512`.`a2`,`test`.`t1_512`.`a1`>(<in_optimizer>((`test`.`t1_512`.`a1`,`test`.`t1_512`.`a2`),<exists>(select `test`.`t2_512`.`b1`,`test`.`t2_512`.`b2` from `test`.`t2_512` where ((`test`.`t2_512`.`b1` > '0') and (<cache>(`test`.`t1_512`.`a1`) = `test`.`t2_512`.`b1`) and (<cache>(`test`.`t1_512`.`a2`) = `test`.`t2_512`.`b2`)))))
Note 1003 select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` where <expr_cache><`test`.`t1_512`.`a1`,`test`.`t1_512`.`a2`>(<in_optimizer>((`test`.`t1_512`.`a1`,`test`.`t1_512`.`a2`),<exists>(select `test`.`t2_512`.`b1`,`test`.`t2_512`.`b2` from `test`.`t2_512` where ((`test`.`t2_512`.`b1` > '0') and (<cache>(`test`.`t1_512`.`a1`) = `test`.`t2_512`.`b1`) and (<cache>(`test`.`t1_512`.`a2`) = `test`.`t2_512`.`b2`)))))
select left(a1,7), left(a2,7)
from t1_512
where (a1,a2) in (select b1, b2 from t2_512 where b1 > '0');
@ -806,7 +816,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1_1024 ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY t2_1024 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings:
Note 1003 select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` where <expr_cache><`test`.`t1_1024`.`a2`,`test`.`t1_1024`.`a1`>(<in_optimizer>((`test`.`t1_1024`.`a1`,`test`.`t1_1024`.`a2`),<exists>(select `test`.`t2_1024`.`b1`,`test`.`t2_1024`.`b2` from `test`.`t2_1024` where ((`test`.`t2_1024`.`b1` > '0') and (<cache>(`test`.`t1_1024`.`a1`) = `test`.`t2_1024`.`b1`) and (<cache>(`test`.`t1_1024`.`a2`) = `test`.`t2_1024`.`b2`)))))
Note 1003 select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` where <expr_cache><`test`.`t1_1024`.`a1`,`test`.`t1_1024`.`a2`>(<in_optimizer>((`test`.`t1_1024`.`a1`,`test`.`t1_1024`.`a2`),<exists>(select `test`.`t2_1024`.`b1`,`test`.`t2_1024`.`b2` from `test`.`t2_1024` where ((`test`.`t2_1024`.`b1` > '0') and (<cache>(`test`.`t1_1024`.`a1`) = `test`.`t2_1024`.`b1`) and (<cache>(`test`.`t1_1024`.`a2`) = `test`.`t2_1024`.`b2`)))))
select left(a1,7), left(a2,7)
from t1_1024
where (a1,a2) in (select b1, b2 from t2_1024 where b1 > '0');
@ -899,7 +909,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1_1025 ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY t2_1025 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings:
Note 1003 select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` where <expr_cache><`test`.`t1_1025`.`a2`,`test`.`t1_1025`.`a1`>(<in_optimizer>((`test`.`t1_1025`.`a1`,`test`.`t1_1025`.`a2`),<exists>(select `test`.`t2_1025`.`b1`,`test`.`t2_1025`.`b2` from `test`.`t2_1025` where ((`test`.`t2_1025`.`b1` > '0') and (<cache>(`test`.`t1_1025`.`a1`) = `test`.`t2_1025`.`b1`) and (<cache>(`test`.`t1_1025`.`a2`) = `test`.`t2_1025`.`b2`)))))
Note 1003 select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` where <expr_cache><`test`.`t1_1025`.`a1`,`test`.`t1_1025`.`a2`>(<in_optimizer>((`test`.`t1_1025`.`a1`,`test`.`t1_1025`.`a2`),<exists>(select `test`.`t2_1025`.`b1`,`test`.`t2_1025`.`b2` from `test`.`t2_1025` where ((`test`.`t2_1025`.`b1` > '0') and (<cache>(`test`.`t1_1025`.`a1`) = `test`.`t2_1025`.`b1`) and (<cache>(`test`.`t1_1025`.`a2`) = `test`.`t2_1025`.`b2`)))))
select left(a1,7), left(a2,7)
from t1_1025
where (a1,a2) in (select b1, b2 from t2_1025 where b1 > '0');
@ -961,7 +971,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1bit ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2bit ALL NULL NULL NULL NULL 3 100.00
Warnings:
Note 1003 select conv(`test`.`t1bit`.`a1`,10,2) AS `bin(a1)`,conv(`test`.`t1bit`.`a2`,10,2) AS `bin(a2)` from `test`.`t1bit` where <expr_cache><`test`.`t1bit`.`a2`,`test`.`t1bit`.`a1`>(<in_optimizer>((`test`.`t1bit`.`a1`,`test`.`t1bit`.`a2`),(`test`.`t1bit`.`a1`,`test`.`t1bit`.`a2`) in ( <materialize> (select `test`.`t2bit`.`b1`,`test`.`t2bit`.`b2` from `test`.`t2bit` ), <primary_index_lookup>(`test`.`t1bit`.`a1` in <temporary table> on distinct_key where ((`test`.`t1bit`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1bit`.`a2` = `<subquery2>`.`b2`))))))
Note 1003 select conv(`test`.`t1bit`.`a1`,10,2) AS `bin(a1)`,conv(`test`.`t1bit`.`a2`,10,2) AS `bin(a2)` from `test`.`t1bit` where <expr_cache><`test`.`t1bit`.`a1`,`test`.`t1bit`.`a2`>(<in_optimizer>((`test`.`t1bit`.`a1`,`test`.`t1bit`.`a2`),(`test`.`t1bit`.`a1`,`test`.`t1bit`.`a2`) in ( <materialize> (select `test`.`t2bit`.`b1`,`test`.`t2bit`.`b2` from `test`.`t2bit` ), <primary_index_lookup>(`test`.`t1bit`.`a1` in <temporary table> on distinct_key where ((`test`.`t1bit`.`a1` = `<subquery2>`.`b1`) and (`test`.`t1bit`.`a2` = `<subquery2>`.`b2`))))))
select bin(a1), bin(a2)
from t1bit
where (a1, a2) in (select b1, b2 from t2bit);
@ -984,7 +994,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1bb ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY t2bb ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings:
Note 1003 select conv(`test`.`t1bb`.`a1`,10,2) AS `bin(a1)`,`test`.`t1bb`.`a2` AS `a2` from `test`.`t1bb` where <expr_cache><`test`.`t1bb`.`a2`,`test`.`t1bb`.`a1`>(<in_optimizer>((`test`.`t1bb`.`a1`,`test`.`t1bb`.`a2`),<exists>(select `test`.`t2bb`.`b1`,`test`.`t2bb`.`b2` from `test`.`t2bb` where ((<cache>(`test`.`t1bb`.`a1`) = `test`.`t2bb`.`b1`) and (<cache>(`test`.`t1bb`.`a2`) = `test`.`t2bb`.`b2`)))))
Note 1003 select conv(`test`.`t1bb`.`a1`,10,2) AS `bin(a1)`,`test`.`t1bb`.`a2` AS `a2` from `test`.`t1bb` where <expr_cache><`test`.`t1bb`.`a1`,`test`.`t1bb`.`a2`>(<in_optimizer>((`test`.`t1bb`.`a1`,`test`.`t1bb`.`a2`),<exists>(select `test`.`t2bb`.`b1`,`test`.`t2bb`.`b2` from `test`.`t2bb` where ((<cache>(`test`.`t1bb`.`a1`) = `test`.`t2bb`.`b1`) and (<cache>(`test`.`t1bb`.`a2`) = `test`.`t2bb`.`b2`)))))
select bin(a1), a2
from t1bb
where (a1, a2) in (select b1, b2 from t2bb);
@ -1099,7 +1109,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 4 100.00 Using where
Warnings:
Note 1276 Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` group by `test`.`t1`.`a` having <expr_cache><`test`.`t1`.`a`,max(`test`.`t1`.`b`)>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select `test`.`t2`.`c` from `test`.`t2` where (<nop>(<expr_cache><`test`.`t2`.`d`,max(`test`.`t1`.`b`)>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select `test`.`t3`.`e` from `test`.`t3` where (max(`test`.`t1`.`b`) = `test`.`t3`.`e`) having (<cache>(`test`.`t2`.`d`) >= <ref_null_helper>(`test`.`t3`.`e`)))))) and (<cache>(`test`.`t1`.`a`) = `test`.`t2`.`c`)))))
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` group by `test`.`t1`.`a` having <expr_cache><`test`.`t1`.`a`,`test`.`t1`.`b`,max(`test`.`t1`.`b`),max(`test`.`t1`.`b`)>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select `test`.`t2`.`c` from `test`.`t2` where (<nop>(<expr_cache><`test`.`t2`.`d`,`test`.`t1`.`b`,max(`test`.`t1`.`b`),max(`test`.`t1`.`b`)>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select `test`.`t3`.`e` from `test`.`t3` where (max(`test`.`t1`.`b`) = `test`.`t3`.`e`) having (<cache>(`test`.`t2`.`d`) >= <ref_null_helper>(`test`.`t3`.`e`)))))) and (<cache>(`test`.`t1`.`a`) = `test`.`t2`.`c`)))))
select a from t1 group by a
having a in (select c from t2 where d >= some(select e from t3 where max(b)=e));
a
@ -1140,40 +1150,48 @@ create table t2 (b1 int);
insert into t1 values (5);
explain select min(a1) from t1 where 7 in (select b1 from t2 group by b1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
1 PRIMARY t1 system NULL NULL NULL NULL 1
2 SUBQUERY t2 system NULL NULL NULL NULL 0 const row not found
select min(a1) from t1 where 7 in (select b1 from t2 group by b1);
min(a1)
NULL
set @save_optimizer_switch=@@optimizer_switch;
set @@optimizer_switch='default,materialization=off';
set @@optimizer_switch=@optimizer_switch_local_default;
set @@optimizer_switch='materialization=off,in_to_exists=on';
explain select min(a1) from t1 where 7 in (select b1 from t2 group by b1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
1 PRIMARY t1 system NULL NULL NULL NULL 1
2 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 0 const row not found
select min(a1) from t1 where 7 in (select b1 from t2 group by b1);
min(a1)
set @@optimizer_switch='default,semijoin=off';
NULL
set @@optimizer_switch=@optimizer_switch_local_default;
set @@optimizer_switch='semijoin=off';
explain select min(a1) from t1 where 7 in (select b1 from t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
1 PRIMARY t1 system NULL NULL NULL NULL 1
2 SUBQUERY t2 system NULL NULL NULL NULL 0 const row not found
select min(a1) from t1 where 7 in (select b1 from t2);
min(a1)
set @@optimizer_switch='default,materialization=off';
NULL
set @@optimizer_switch=@optimizer_switch_local_default;
set @@optimizer_switch='materialization=off,in_to_exists=on';
# with MariaDB and MWL#90, this particular case is solved:
explain select min(a1) from t1 where 7 in (select b1 from t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
1 PRIMARY t1 system NULL NULL NULL NULL 1
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
select min(a1) from t1 where 7 in (select b1 from t2);
min(a1)
NULL
# but when we go around MWL#90 code, the problem still shows up:
explain select min(a1) from t1 where 7 in (select b1 from t2) or 2> 4;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
1 PRIMARY t1 system NULL NULL NULL NULL 1
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
select min(a1) from t1 where 7 in (select b1 from t2) or 2> 4;
min(a1)
NULL
set @@optimizer_switch= @save_optimizer_switch;
drop table t1,t2;
create table t1 (a char(2), b varchar(10));
@ -1191,6 +1209,228 @@ a b
execute st1;
a b
drop table t1;
#
# BUG#49630: Segfault in select_describe() with double
# nested subquery and materialization
#
CREATE TABLE t1 (t1i int);
CREATE TABLE t2 (t2i int);
CREATE TABLE t3 (t3i int);
CREATE TABLE t4 (t4i int);
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (1),(2);
INSERT INTO t3 VALUES (1),(2);
INSERT INTO t4 VALUES (1),(2);
EXPLAIN
SELECT t1i
FROM t1 JOIN t4 ON t1i=t4i
WHERE (t1i) IN (
SELECT t2i
FROM t2
WHERE (t2i) IN (
SELECT t3i
FROM t3
GROUP BY t3i
)
);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
1 PRIMARY t4 ALL NULL NULL NULL NULL 2 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
3 SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using temporary
DROP TABLE t1,t2,t3,t4;
CREATE TABLE t1 (
pk INTEGER AUTO_INCREMENT,
col_int_nokey INTEGER,
col_int_key INTEGER,
col_varchar_key VARCHAR(1),
PRIMARY KEY (pk),
KEY (col_int_key),
KEY (col_varchar_key, col_int_key)
)
;
INSERT INTO t1 (
col_int_key, col_int_nokey, col_varchar_key
)
VALUES
(2, NULL, 'w'),
(9, 7, 'm'),
(3, 9, 'm'),
(9, 7, 'k'),
(NULL, 4, 'r'),
(9, 2, 't'),
(3, 6, 'j'),
(8, 8, 'u'),
(8, NULL, 'h'),
(53, 5, 'o'),
(0, NULL, NULL),
(5, 6, 'k'),
(166, 188, 'e'),
(3, 2, 'n'),
(0, 1, 't'),
(1, 1, 'c'),
(9, 0, 'm'),
(5, 9, 'y'),
(6, NULL, 'f'),
(2, 4, 'd')
;
SELECT table2.col_varchar_key AS field1,
table2.col_int_nokey AS field2
FROM ( t1 AS table1 LEFT OUTER JOIN t1 AS table2
ON (table2.col_varchar_key = table1.col_varchar_key ) )
WHERE table1.pk = 6
HAVING ( field2 ) IN
( SELECT SUBQUERY2_t2.col_int_nokey AS SUBQUERY2_field2
FROM ( t1 AS SUBQUERY2_t1 JOIN t1 AS SUBQUERY2_t2
ON (SUBQUERY2_t2.col_varchar_key = SUBQUERY2_t1.col_varchar_key ) ) )
ORDER BY field2
;
field1 field2
t 1
t 2
drop table t1;
#
# BUG#53103: MTR test ps crashes in optimize_cond()
# when running with --debug
#
CREATE TABLE t1(track varchar(15));
INSERT INTO t1 VALUES ('CAD'), ('CAD');
PREPARE STMT FROM
"SELECT 1 FROM t1
WHERE
track IN (SELECT track FROM t1
GROUP BY track
HAVING track>='CAD')";
EXECUTE STMT ;
1
1
1
EXECUTE STMT ;
1
1
1
DEALLOCATE PREPARE STMT;
DROP TABLE t1;
# End of BUG#53103
#
# BUG#54511 - Assertion failed: cache != 0L in file
# sql_select.cc::sub_select_cache on HAVING
#
CREATE TABLE t1 (i int(11));
CREATE TABLE t2 (c char(1));
CREATE TABLE t3 (c char(1));
INSERT INTO t1 VALUES (1), (2);
INSERT INTO t2 VALUES ('a'), ('b');
INSERT INTO t3 VALUES ('x'), ('y');
SELECT COUNT( i ),i
FROM t1
HAVING ('c')
IN (SELECT t2.c FROM (t2 JOIN t3));
COUNT( i ) i
DROP TABLE t1,t2,t3;
# End BUG#54511
#
# BUG#56367 - Assertion exec_method != EXEC_MATERIALIZATION...
# on subquery in FROM
#
CREATE TABLE t1 (a INTEGER);
CREATE TABLE t2 (b INTEGER);
INSERT INTO t2 VALUES (1);
explain SELECT a FROM (
SELECT t1.* FROM t1 LEFT JOIN t2 ON t1.a > 3 OR t2.b IN (SELECT a FROM t1)
) table1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2
2 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
3 SUBQUERY NULL NULL NULL NULL NULL NULL NULL no matching row in const table
SELECT a FROM (
SELECT t1.* FROM t1 LEFT JOIN t2 ON t1.a > 3 OR t2.b IN (SELECT a FROM t1)
) table1;
a
DROP TABLE t1, t2;
# End BUG#56367
#
# Bug#59833 - materialization=on/off leads to different result set
# when using IN
#
CREATE TABLE t1 (
pk int NOT NULL,
f1 int DEFAULT NULL,
PRIMARY KEY (pk)
) ENGINE=MyISAM;
CREATE TABLE t2 (
pk int NOT NULL,
f1 int DEFAULT NULL,
PRIMARY KEY (pk)
) ENGINE=MyISAM;
INSERT INTO t1 VALUES (10,0);
INSERT INTO t2 VALUES (10,0),(11,0);
explain SELECT * FROM t1 JOIN t2 USING (f1)
WHERE t1.f1 IN (SELECT t1.pk FROM t1 ORDER BY t1.f1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where
2 SUBQUERY t1 system NULL NULL NULL NULL 1
SELECT * FROM t1 JOIN t2 USING (f1)
WHERE t1.f1 IN (SELECT t1.pk FROM t1 ORDER BY t1.f1);
f1 pk pk
DROP TABLE t1, t2;
# End Bug#59833
#
# Bug#11852644 - CRASH IN ITEM_REF::SAVE_IN_FIELD ON SELECT DISTINCT
#
CREATE TABLE t1 (
col_varchar_key varchar(1) DEFAULT NULL,
col_varchar_nokey varchar(1) DEFAULT NULL,
KEY col_varchar_key (col_varchar_key))
;
INSERT INTO t1 VALUES
('v','v'),('r','r');
CREATE TABLE t2 (
col_varchar_key varchar(1) DEFAULT NULL,
col_varchar_nokey varchar(1) DEFAULT NULL,
KEY col_varchar_key(col_varchar_key))
;
INSERT INTO t2 VALUES
('r','r'),('c','c');
CREATE VIEW v3 AS SELECT * FROM t2;
SELECT DISTINCT alias2.col_varchar_key
FROM t1 AS alias1 JOIN v3 AS alias2
ON alias2.col_varchar_key = alias1.col_varchar_key
HAVING col_varchar_key IN (SELECT col_varchar_nokey FROM t2)
;
col_varchar_key
r
DROP TABLE t1, t2;
DROP VIEW v3;
# End Bug#11852644
# Bug#12668294 - GROUP BY ON EMPTY RESULT GIVES EMPTY ROW
# INSTEAD OF NULL WHEN MATERIALIZATION ON
CREATE TABLE t1 (col_int_nokey INT) ENGINE=MEMORY;
CREATE TABLE t2 (col_int_nokey INT) ENGINE=MEMORY;
INSERT INTO t2 VALUES (8),(7);
CREATE TABLE t3 (col_int_nokey INT) ENGINE=MEMORY;
INSERT INTO t3 VALUES (7);
SELECT MIN(t3.col_int_nokey),t1.col_int_nokey AS field3
FROM t3
LEFT JOIN t1
ON t1.col_int_nokey
WHERE (194, 200) IN (
SELECT SQ4_alias1.col_int_nokey,
SQ4_alias2.col_int_nokey
FROM t2 AS SQ4_alias1
JOIN
t2 AS SQ4_alias2
ON SQ4_alias2.col_int_nokey = 5
)
GROUP BY field3 ;
MIN(t3.col_int_nokey) field3
DROP TABLE t1;
DROP TABLE t2;
DROP TABLE t3;
CREATE TABLE t1 (f1 INT, f2 DECIMAL(5,3)) ENGINE=MyISAM;
INSERT INTO t1 (f1, f2) VALUES (1, 1.789);
INSERT INTO t1 (f1, f2) VALUES (13, 1.454);
@ -1199,7 +1439,8 @@ CREATE TABLE t2 LIKE t1;
INSERT INTO t2 VALUES (1, 1.789);
INSERT INTO t2 VALUES (13, 1.454);
set @save_optimizer_switch=@@optimizer_switch;
SET @@optimizer_switch='default,semijoin=on,materialization=on';
set @@optimizer_switch=@optimizer_switch_local_default;
SET @@optimizer_switch='semijoin=on,materialization=on';
EXPLAIN SELECT COUNT(*) FROM t1 WHERE (f1,f2) IN (SELECT f1,f2 FROM t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 2
@ -1222,7 +1463,8 @@ INSERT INTO t1 VALUES (1,'o','ffff','ffff','ffoo'),(2,'f','ffff','ffff','ffff');
CREATE TABLE t2 LIKE t1;
INSERT INTO t2 VALUES (1,'i','iiii','iiii','iiii'),(2,'f','ffff','ffff','ffff');
set @save_optimizer_switch=@@optimizer_switch;
SET @@optimizer_switch='default,semijoin=on,materialization=on';
set @@optimizer_switch=@optimizer_switch_local_default;
SET @@optimizer_switch='semijoin=on,materialization=on';
EXPLAIN SELECT pk FROM t1 WHERE (a) IN (SELECT a FROM t2 WHERE pk > 0);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
@ -1320,7 +1562,174 @@ select left(a1,7), left(a2,7) from t1_1024 where (a1,3) in (select substring(b1,
left(a1,7) left(a2,7)
1 - 01x 2 - 01x
drop table t1_1024, t2_1024;
#
# BUG##836491: Crash in Item_field::Item_field from add_ref_to_table_cond() with semijoin+materialization
#
CREATE TABLE t1 (c int, d varchar(1), KEY(d)) ;
INSERT INTO t1 VALUES (2,'x'),(2,'x'),(2,'j'),(2,'c');
CREATE TABLE t2 (a int, d varchar(1)) ;
INSERT INTO t2 VALUES (1,'x');
CREATE TABLE t3 (d varchar(1)) ;
INSERT INTO t3 VALUES ('x'),('x'),('j'),('c');
SELECT t2.a, t1.c
FROM t1, t2
WHERE t2.d IN ( SELECT d FROM t3 )
AND t1.d = t2.d
GROUP BY 1 , 2;
a c
1 2
drop table t1,t2,t3;
#
# BUG#836523: Crash in JOIN::get_partial_cost_and_fanout with semijoin+materialization
#
CREATE TABLE t1 (a varchar(1));
INSERT INTO t1 VALUES ('a'),('a');
CREATE TABLE t2 (a varchar(1));
CREATE TABLE t3 (a int);
INSERT INTO t3 VALUES (1),(2);
CREATE TABLE t4 (a varchar(1));
INSERT INTO t4 VALUES ('a'),('a');
SELECT t1.a
FROM t1
WHERE t1.a IN (
SELECT t2.a
FROM t2, t3
)
HAVING a IN (
SELECT a
FROM t4
);
a
DROP TABLE t1, t2, t3, t4;
#
# BUG#836507: Crash in setup_sj_materialization_part1() with semijoin+materialization
#
CREATE TABLE t1 (a int) ;
INSERT IGNORE INTO t1 VALUES (1),(1);
CREATE TABLE t2 (a int);
INSERT INTO t2 VALUES (1);
CREATE TABLE t3 (a int);
CREATE TABLE t4 (a int);
INSERT INTO t4 VALUES (2),(2);
CREATE TABLE t5 (a int);
INSERT INTO t5 VALUES (1);
SELECT * FROM t1
WHERE (a) IN (
SELECT t5.a
FROM (
t2
LEFT JOIN ( t3 , t4 )
ON 1 = 1
)
JOIN t5
);
a
1
1
DROP TABLE t1,t2,t3,t4,t5;
#
# BUG#836532: Crash in Item_equal_fields_iterator::get_curr_field with semijoin+materialization
#
CREATE TABLE t2 (a int);
INSERT INTO t2 VALUES ('a'),('a');
Warnings:
Warning 1366 Incorrect integer value: 'a' for column 'a' at row 1
Warning 1366 Incorrect integer value: 'a' for column 'a' at row 2
CREATE TABLE t4 (a varchar(1));
INSERT INTO t4 VALUES ('m'),('o');
CREATE TABLE t3 (a varchar(1) , b varchar(1) ) ;
INSERT INTO t3 VALUES ('b','b');
CREATE TABLE t5 (a varchar(1), KEY (a)) ;
INSERT INTO t5 VALUES ('d'),('e');
SELECT *
FROM t2
WHERE t2.a = ALL (
SELECT t4.a
FROM t4
WHERE t4.a IN (
SELECT t3.a
FROM t3 , t5
WHERE ( t5.a = t3.b )
)
);
a
0
0
DROP TABLE t2,t3,t4,t5;
#
# BUG#860300: Second crash with get_fanout_with_deps() with semijoin + materialization
#
set @tmp_860300=@@optimizer_switch;
set optimizer_switch='semijoin=on,materialization=on,loosescan=off,firstmatch=off';
CREATE TABLE t1 (f2 int);
INSERT INTO t1 VALUES (9),(6);
CREATE TABLE t3 (f4 int);
CREATE TABLE t4 (f6 varchar(1));
SELECT *
FROM t3
WHERE 'h' IN (SELECT f6
FROM t4
WHERE 5 IN (SELECT f2 FROM t1)
GROUP BY t4.f6);
f4
DROP TABLE t1,t3,t4;
set optimizer_switch=@tmp_860300;
#
# BUG#860535: Assertion `keypart_map' failed in mi_rkey with semijoin
#
set @tmp_860535=@@optimizer_switch;
set optimizer_switch='semijoin=on,materialization=on,loosescan=off,firstmatch=off';
CREATE TABLE t1 (f3 int) ;
INSERT INTO t1 VALUES (1),(7);
CREATE TABLE t2 (f3 int , f5 varchar(1), KEY (f3)) ;
INSERT INTO t2 VALUES (7,'b');
CREATE TABLE t3 (f3 int , f4 varchar(1) , KEY(f3), KEY (f4,f3)) ;
INSERT INTO t3 VALUES (1,'t'),(7,'g');
CREATE TABLE t4
SELECT f3
FROM t1 WHERE ( f3 ) NOT IN (
SELECT f3
FROM t2
WHERE f5 IN (
SELECT f4
FROM t3
WHERE t3.f3 < 3
)
);
SELECT * FROM t4;
f3
1
7
DROP TABLE t1, t2, t3, t4;
set optimizer_switch=@tmp_860535;
#
# BUG#860553: Crash in create_ref_for_key with semijoin + materialization
#
CREATE TABLE t1 (f1 int) ;
CREATE TABLE t2 (f5 varchar(52) NOT NULL) ;
CREATE TABLE t3 (f1 varchar(3), f4 varchar(52) , KEY (f4), PRIMARY KEY (f1));
CREATE TABLE t4 (f3 int, KEY (f3));
INSERT INTO t4 VALUES (17),(20);
CREATE TABLE t5 (f2 int);
INSERT INTO t5 VALUES (0),(0);
SELECT *
FROM t1
JOIN t2
ON ( t2.f5 ) IN (
SELECT t3.f4
FROM t3
WHERE ( 1 ) IN (
SELECT t4.f3
FROM t4 , t5
)
);
f1 f5
DROP TABLE t1, t2, t3, t4, t5;
# This must be at the end:
set optimizer_switch=@subselect_sj_mat_tmp;
set @subselect_mat_test_optimizer_switch_value=null;
set @@optimizer_switch='materialization=on,in_to_exists=off,semijoin=off';
set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
create table t0 (a int);
insert into t0 values (0),(1),(2);
create table t1 (a int);
@ -1386,7 +1795,7 @@ EXPLAIN
SELECT i FROM t1 LEFT JOIN t2 ON (j) IN (SELECT k FROM t3);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
1 PRIMARY t2 system NULL NULL NULL NULL 1
1 PRIMARY t2 ALL NULL NULL NULL NULL 1 Using where
2 SUBQUERY t3 system NULL NULL NULL NULL 0 const row not found
SELECT i FROM t1 LEFT JOIN t2 ON (j) IN (SELECT k FROM t3);
i
@ -1395,7 +1804,7 @@ EXPLAIN
SELECT i FROM t1 LEFT JOIN t2 ON (j) IN (SELECT max(k) FROM t3);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
1 PRIMARY t2 system NULL NULL NULL NULL 1
1 PRIMARY t2 ALL NULL NULL NULL NULL 1 Using where
2 SUBQUERY t3 system NULL NULL NULL NULL 0 const row not found
SELECT i FROM t1 LEFT JOIN t2 ON (j) IN (SELECT max(k) FROM t3);
i
@ -1414,10 +1823,10 @@ SELECT *
FROM t2 LEFT JOIN t2 t3 ON (8, 4) IN (SELECT c1, c1 FROM t1)";
EXECUTE st1;
c2 c2
10 10
10 NULL
EXECUTE st1;
c2 c2
10 10
10 NULL
DROP TABLE t1, t2;
#
# Testcase backport: BUG#46548 IN-subqueries return 0 rows with materialization=on
@ -1438,7 +1847,7 @@ EXPLAIN SELECT pk FROM t1 WHERE (a) IN (SELECT a FROM t2 WHERE pk > 0);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 5 func 1
2 SUBQUERY t2 range PRIMARY PRIMARY 4 NULL 2 Using index condition; Rowid-ordered scan
2 SUBQUERY t2 range PRIMARY PRIMARY 4 NULL 2 Using where
SELECT pk FROM t1 WHERE (a) IN (SELECT a FROM t2 WHERE pk > 0);
pk
2
@ -1537,3 +1946,65 @@ FROM t2;
(SELECT COUNT(DISTINCT f2), f1, f3 FROM t1 GROUP BY f1, f3)
1
drop table t1, t2;
#
# LPBUG#702301: MAX in select + always false WHERE with SQ
#
CREATE TABLE t1 (a int, b int, KEY (b));
INSERT INTO t1 VALUES (3,1), (4,2);
CREATE TABLE t2 (a int);
INSERT INTO t2 VALUES (7), (8);
set @@optimizer_switch='materialization=on,in_to_exists=off,semijoin=off';
SELECT MAX(t1.b) AS max_res FROM t1 WHERE (9) IN (SELECT a FROM t2);
max_res
NULL
EXPLAIN EXTENDED
SELECT MAX(t1.b) AS max_res FROM t1 WHERE (9) IN (SELECT a FROM t2);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL b 5 NULL 2 100.00 Using index
2 SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00
Warnings:
Note 1003 select max(`test`.`t1`.`b`) AS `max_res` from `test`.`t1` where <expr_cache><9>(<in_optimizer>(9,9 in ( <materialize> (select `test`.`t2`.`a` from `test`.`t2` ), <primary_index_lookup>(9 in <temporary table> on distinct_key where ((9 = `<subquery2>`.`a`))))))
set @@optimizer_switch='materialization=off,in_to_exists=on,semijoin=off';
SELECT MAX(t1.b) AS max_res FROM t1 WHERE (9) IN (SELECT a FROM t2);
max_res
NULL
EXPLAIN EXTENDED
SELECT MAX(t1.b) AS max_res FROM t1 WHERE (9) IN (SELECT a FROM t2);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL b 5 NULL 2 100.00 Using index
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1003 select max(`test`.`t1`.`b`) AS `max_res` from `test`.`t1` where <expr_cache><9>(<in_optimizer>(9,<exists>(select `test`.`t2`.`a` from `test`.`t2` where (9 = `test`.`t2`.`a`))))
DROP TABLE t1,t2;
#
# LPBUG#825095: Wrong result with materialization and NOT IN with 2 expressions
#
CREATE TABLE t1 (a int,b int);
INSERT INTO t1 VALUES (4,4),(4,2);
CREATE TABLE t2 (b int, a int);
INSERT INTO t2 VALUES (4,3),(8,4);
set @@optimizer_switch='semijoin=off,in_to_exists=off,materialization=on,partial_match_rowid_merge=on,partial_match_table_scan=off';
EXPLAIN SELECT *
FROM t1
WHERE (a, b) NOT IN (SELECT a, b FROM t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 2
SELECT *
FROM t1
WHERE (a, b) NOT IN (SELECT a, b FROM t2);
a b
4 4
4 2
EXPLAIN
SELECT a, b, (a, b) NOT IN (SELECT a, b FROM t2) as sq
FROM t1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
2 SUBQUERY t2 ALL NULL NULL NULL NULL 2
SELECT a, b, (a, b) NOT IN (SELECT a, b FROM t2) as sq
FROM t1;
a b sq
4 4 1
4 2 1
drop table t1, t2;

4310
mysql-test/r/subselect_mat_cost.result
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mysql-test/r/subselect_mat_cost_bugs.result
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@ -64,6 +64,12 @@ KEY c3 (c3,c2));
INSERT INTO t1 VALUES (10,7,8,'v','v');
INSERT INTO t1 VALUES (11,1,9,'r','r');
INSERT INTO t1 VALUES (12,5,9,'a','a');
INSERT INTO t1 VALUES (13,7,18,'v','v');
INSERT INTO t1 VALUES (14,1,19,'r','r');
INSERT INTO t1 VALUES (15,5,29,'a','a');
INSERT INTO t1 VALUES (17,7,38,'v','v');
INSERT INTO t1 VALUES (18,1,39,'r','r');
INSERT INTO t1 VALUES (19,5,49,'a','a');
create table t1a like t1;
insert into t1a select * from t1;
create table t1b like t1;
@ -88,13 +94,13 @@ FROM (t1b JOIN t2 ON t2.c3 = t1b.c4) LEFT JOIN
t1a ON (t1a.c2 = t1b.pk AND 2)
WHERE t1.pk) ;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY t2 index c3 c3 9 NULL 2 100.00 Using index
2 DEPENDENT SUBQUERY t1b ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
2 DEPENDENT SUBQUERY t1a ref c2 c2 5 test.t1b.pk 2 100.00 Using where
1 PRIMARY t1 ALL NULL NULL NULL NULL 9 100.00 Using where
2 DEPENDENT SUBQUERY t1b ALL NULL NULL NULL NULL 9 100.00
2 DEPENDENT SUBQUERY t1a ref c2 c2 5 test.t1b.pk 1 100.00 Using where
2 DEPENDENT SUBQUERY t2 index c3 c3 9 NULL 2 100.00 Using where; Using index; Using join buffer (flat, BNL join)
Warnings:
Note 1276 Field or reference 'test.t1.pk' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` where <expr_cache><`test`.`t1`.`c1`,`test`.`t1`.`pk`>(<in_optimizer>(`test`.`t1`.`c1`,<exists>(select `test`.`t1a`.`c1` from `test`.`t1b` join `test`.`t2` left join `test`.`t1a` on((2 and (`test`.`t1a`.`c2` = `test`.`t1b`.`pk`))) where (`test`.`t1`.`pk` and (<cache>(`test`.`t1`.`c1`) = `test`.`t1a`.`c1`) and (`test`.`t1b`.`c4` = `test`.`t2`.`c3`)))))
Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` where <expr_cache><`test`.`t1`.`c1`,`test`.`t1`.`pk`>(<in_optimizer>(`test`.`t1`.`c1`,<exists>(select `test`.`t1a`.`c1` from `test`.`t1b` join `test`.`t2` left join `test`.`t1a` on((2 and (`test`.`t1a`.`c2` = `test`.`t1b`.`pk`))) where ((`test`.`t1`.`pk` <> 0) and (<cache>(`test`.`t1`.`c1`) = `test`.`t1a`.`c1`) and (`test`.`t2`.`c3` = `test`.`t1b`.`c4`)))))
SELECT pk
FROM t1
WHERE c1 IN
@ -156,13 +162,15 @@ WHERE (SELECT distinct SUM(distinct f3 ) FROM t1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
3 SUBQUERY t1 index NULL f3 5 NULL 2 Using index
2 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
insert into t2 values (1),(2);
EXPLAIN
SELECT * FROM (SELECT * FROM t2) AS a2
WHERE (SELECT distinct SUM(distinct f3 ) FROM t1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 2
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2
3 SUBQUERY t1 index NULL f3 5 NULL 2 Using index
2 DERIVED t2 ALL NULL NULL NULL NULL 2
drop table t1,t2;
#
# LP BUG#715027 Assertion `!table || (!table->read_set || bitmap_is_set(table->read_set, field_index))' failed
@ -181,10 +189,11 @@ WHERE t1.f1 AND alias2.f10
)
ORDER BY field1 ;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Using filesort
1 PRIMARY alias1 eq_ref PRIMARY PRIMARY 4 test.t2.f3 1 Using index
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 Using where; Using filesort
1 PRIMARY alias1 eq_ref PRIMARY PRIMARY 4 alias2.f3 1 Using index
3 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2
3 DEPENDENT SUBQUERY t1 index NULL PRIMARY 4 NULL 2 Using where; Using index; Using join buffer (flat, BNL join)
3 DEPENDENT SUBQUERY t1 index PRIMARY PRIMARY 4 NULL 2 Using where; Using index; Using join buffer (flat, BNL join)
2 DERIVED t2 ALL NULL NULL NULL NULL 2
SELECT alias2.f2 AS field1
FROM t1 AS alias1 JOIN ( SELECT * FROM t2 ) AS alias2 ON alias2.f3 = alias1.f1
WHERE (
@ -295,3 +304,83 @@ id select_type table type possible_keys key key_len ref rows Extra
select c1 from t1 where c1 in (select kp1 from t2 where kp2 = 10 and c2 = 4) or c1 > 7;
c1
drop table t1, t2;
#
# LP BUG#800679: Assertion `outer_join->table_count > 0' failed in
# JOIN::choose_subquery_plan() with materialization=on,semijoin=off
#
CREATE TABLE t1 ( f1 int);
insert into t1 values (1),(2);
CREATE TABLE t2 ( f1 int);
insert into t2 values (1),(2);
SET @@optimizer_switch='materialization=on,semijoin=off';
EXPLAIN
SELECT * FROM t1
WHERE (f1) IN (SELECT f1 FROM t2)
LIMIT 0;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
SELECT * FROM t1
WHERE (f1) IN (SELECT f1 FROM t2)
LIMIT 0;
f1
set @@optimizer_switch='default';
drop table t1, t2;
#
# LP BUG#834492: Crash in fix_semijoin_strategies_for_picked_join_order
# with nested subqueries and LooseScan=ON
#
CREATE TABLE t3 (b int) ;
INSERT INTO t3 VALUES (0),(0);
CREATE TABLE t4 (a int, b int, c int, d int, PRIMARY KEY (a)) ;
INSERT INTO t4 VALUES (28,0,0,0),(29,3,0,0);
CREATE TABLE t5 (a int, b int, c int, d int, KEY (c,b)) ;
INSERT INTO t5 VALUES (28,0,0,0),(29,3,0,0);
SET @@optimizer_switch='semijoin=ON,loosescan=ON,firstmatch=OFF,materialization=OFF';
EXPLAIN SELECT *
FROM t3
WHERE t3.b > ALL (
SELECT c
FROM t4
WHERE t4.a >= t3.b
AND a = SOME (SELECT b FROM t5));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t5 index c c 10 NULL 2 Using where; Using index; LooseScan
2 DEPENDENT SUBQUERY t4 eq_ref PRIMARY PRIMARY 4 test.t5.b 1 Using where
SELECT *
FROM t3
WHERE t3.b > ALL (
SELECT c
FROM t4
WHERE t4.a >= t3.b
AND a = SOME (SELECT b FROM t5));
b
0
0
set @@optimizer_switch='default';
drop table t3, t4, t5;
#
# LP BUG#858038 The result of a query with NOT IN subquery depends on the state of the optimizer switch
#
create table t1 (c1 char(2) not null, c2 char(2));
create table t2 (c3 char(2), c4 char(2));
insert into t1 values ('a1', 'b1');
insert into t1 values ('a2', 'b2');
insert into t2 values ('x1', 'y1');
insert into t2 values ('a2', null);
set @@optimizer_switch='in_to_exists=off,materialization=on,partial_match_rowid_merge=off,partial_match_table_scan=on';
explain select * from t1 where c1 = 'a2' and (c1, c2) not in (select * from t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 2
select * from t1 where c1 = 'a2' and (c1, c2) not in (select * from t2);
c1 c2
set @@optimizer_switch='in_to_exists=off,materialization=on,partial_match_rowid_merge=on,partial_match_table_scan=off';
explain select * from t1 where c1 = 'a2' and (c1, c2) not in (select * from t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 2
select * from t1 where c1 = 'a2' and (c1, c2) not in (select * from t2);
c1 c2
drop table t1, t2;

607
mysql-test/r/subselect_no_mat.result
View File

@ -2,10 +2,13 @@ select @@optimizer_switch like '%materialization=on%';
@@optimizer_switch like '%materialization=on%'
0
set optimizer_switch='materialization=off';
set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t11,t12;
drop view if exists v2;
set @save_optimizer_switch=@@optimizer_switch;
set @@optimizer_switch="partial_match_rowid_merge=off,partial_match_table_scan=off";
set @subselect_tmp=@@optimizer_switch;
set @@optimizer_switch=ifnull(@optimizer_switch_for_subselect_test,
"semijoin=on,firstmatch=on,loosescan=on,partial_match_rowid_merge=off,partial_match_table_scan=off");
set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
select (select 2);
(select 2)
2
@ -206,10 +209,11 @@ select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
explain extended select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
(select * from t2 where a>1) as tt;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
1 PRIMARY <derived3> ALL NULL NULL NULL NULL 2 100.00
3 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using where
2 SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using filesort
Warnings:
Note 1003 select (select `test`.`t3`.`a` from `test`.`t3` where (`test`.`t3`.`a` < 8) order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,`test`.`t2`.`a` AS `a` from `test`.`t2` where (`test`.`t2`.`a` > 1)
Note 1003 select (select `test`.`t3`.`a` from `test`.`t3` where (`test`.`t3`.`a` < 8) order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,`tt`.`a` AS `a` from (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where (`test`.`t2`.`a` > 1)) `tt`
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1);
a
2
@ -230,7 +234,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings:
Note 1276 Field or reference 'test.t4.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t4`.`b` AS `b`,(select avg((`test`.`t2`.`a` + (select min(`test`.`t3`.`a`) from `test`.`t3` where (`test`.`t3`.`a` >= `test`.`t4`.`a`)))) from `test`.`t2`) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4`
Note 1003 select `test`.`t4`.`b` AS `b`,<expr_cache><`test`.`t4`.`a`>((select avg((`test`.`t2`.`a` + (select min(`test`.`t3`.`a`) from `test`.`t3` where (`test`.`t3`.`a` >= `test`.`t4`.`a`)))) from `test`.`t2`)) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4`
select * from t3 where exists (select * from t2 where t2.b=t3.a);
a
7
@ -276,7 +280,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` >= (select min(`test`.`t2`.`b`) from `test`.`t2`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,((select min(`test`.`t2`.`b`) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))))
select * from t3 where a >= all (select b from t2);
a
7
@ -368,12 +372,12 @@ INSERT INTO t8 (pseudo,email) VALUES ('joce1','test1');
INSERT INTO t8 (pseudo,email) VALUES ('2joce1','2test1');
EXPLAIN EXTENDED SELECT pseudo,(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce')) FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index
1 PRIMARY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using where; Using index
4 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index
2 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00
2 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using where
3 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index
Warnings:
Note 1003 select 'joce' AS `pseudo`,(select 'test' from `test`.`t8` where ('joce' = (select 'joce' from `test`.`t8` where 1))) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where ('joce' = (select 'joce' from `test`.`t8` where 1))
Note 1003 select `test`.`t8`.`pseudo` AS `pseudo`,(select `test`.`t8`.`email` from `test`.`t8` where (`test`.`t8`.`pseudo` = (select 'joce' from `test`.`t8` where 1))) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where (`test`.`t8`.`pseudo` = (select 'joce' from `test`.`t8` where 1))
SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM
t8 WHERE pseudo='joce');
ERROR 21000: Operand should contain 1 column(s)
@ -544,18 +548,24 @@ SELECT numreponse, (SELECT numeropost FROM t1 HAVING numreponse=1) FROM (SELECT
numreponse (SELECT numeropost FROM t1 HAVING numreponse=1)
INSERT INTO t1 (numeropost,numreponse,pseudo) VALUES (1,1,'joce'),(1,2,'joce'),(1,3,'test');
EXPLAIN EXTENDED SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM t1 WHERE numeropost='1');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using where; Using index
2 SUBQUERY t1 ref PRIMARY PRIMARY 3 const 2 100.00 Using index
Warnings:
Note 1003 select `test`.`t1`.`numreponse` AS `numreponse` from `test`.`t1` where ((`test`.`t1`.`numeropost` = '1') and (`test`.`t1`.`numreponse` = (select 1 from `test`.`t1` where (`test`.`t1`.`numeropost` = '1'))))
SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM t1 WHERE numeropost='1');
ERROR 21000: Subquery returns more than 1 row
EXPLAIN EXTENDED SELECT MAX(numreponse) FROM t1 WHERE numeropost='1';
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings:
Note 1003 select max(`test`.`t1`.`numreponse`) AS `MAX(numreponse)` from `test`.`t1` where multiple equal(1, `test`.`t1`.`numeropost`)
Note 1003 select max(`test`.`t1`.`numreponse`) AS `MAX(numreponse)` from `test`.`t1` where (`test`.`t1`.`numeropost` = '1')
EXPLAIN EXTENDED SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT MAX(numreponse) FROM t1 WHERE numeropost='1');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using index
1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using where; Using index
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings:
Note 1003 select 3 AS `numreponse` from `test`.`t1` where ((3 = 3))
Note 1003 select `test`.`t1`.`numreponse` AS `numreponse` from `test`.`t1` where ((`test`.`t1`.`numeropost` = '1') and (`test`.`t1`.`numreponse` = (select max(`test`.`t1`.`numreponse`) from `test`.`t1` where (`test`.`t1`.`numeropost` = '1'))))
drop table t1;
CREATE TABLE t1 (a int(1));
INSERT INTO t1 VALUES (1);
@ -917,6 +927,131 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select `test`.`t2`.`a` from `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t2`.`a`) and ((<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`) or isnull(`test`.`t2`.`a`))) having <is_not_null_test>(`test`.`t2`.`a`)))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`
drop table t1,t2,t3;
# check correct NULL Processing for normal IN/ALL/ANY
# and 2 ways of max/min optimization
create table t1 (a int);
insert into t1 values (1), (100), (NULL), (1000);
create table t2 (a int not null);
# subselect returns empty set (for NULL and non-NULL left part)
select a, a in (select * from t2) from t1;
a a in (select * from t2)
1 0
100 0
NULL 0
1000 0
select a, a > any (select * from t2) from t1;
a a > any (select * from t2)
1 0
100 0
NULL 0
1000 0
select a, a > all (select * from t2) from t1;
a a > all (select * from t2)
1 1
100 1
NULL 1
1000 1
select a from t1 where a in (select * from t2);
a
select a from t1 where a > any (select * from t2);
a
select a from t1 where a > all (select * from t2);
a
1
100
NULL
1000
select a from t1 where a in (select * from t2 group by a);
a
select a from t1 where a > any (select * from t2 group by a);
a
select a from t1 where a > all (select * from t2 group by a);
a
1
100
NULL
1000
insert into t2 values (1),(200);
# sebselect returns non-empty set without NULLs
select a, a in (select * from t2) from t1;
a a in (select * from t2)
1 1
100 0
NULL NULL
1000 0
select a, a > any (select * from t2) from t1;
a a > any (select * from t2)
1 0
100 1
NULL NULL
1000 1
select a, a > all (select * from t2) from t1;
a a > all (select * from t2)
1 0
100 0
NULL NULL
1000 1
select a from t1 where a in (select * from t2);
a
1
select a from t1 where a > any (select * from t2);
a
100
1000
select a from t1 where a > all (select * from t2);
a
1000
select a from t1 where a in (select * from t2 group by a);
a
1
select a from t1 where a > any (select * from t2 group by a);
a
100
1000
select a from t1 where a > all (select * from t2 group by a);
a
1000
drop table t2;
create table t2 (a int);
insert into t2 values (1),(NULL),(200);
# sebselect returns non-empty set with NULLs
select a, a in (select * from t2) from t1;
a a in (select * from t2)
1 1
100 NULL
NULL NULL
1000 NULL
select a, a > any (select * from t2) from t1;
a a > any (select * from t2)
1 NULL
100 1
NULL NULL
1000 1
select a, a > all (select * from t2) from t1;
a a > all (select * from t2)
1 0
100 0
NULL NULL
1000 NULL
select a from t1 where a in (select * from t2);
a
1
select a from t1 where a > any (select * from t2);
a
100
1000
select a from t1 where a > all (select * from t2);
a
select a from t1 where a in (select * from t2 group by a);
a
1
select a from t1 where a > any (select * from t2 group by a);
a
100
1000
select a from t1 where a > all (select * from t2 group by a);
a
drop table t1, t2;
create table t1 (a float);
select 10.5 IN (SELECT * from t1 LIMIT 1);
ERROR 42000: This version of MySQL doesn't yet support 'LIMIT & IN/ALL/ANY/SOME subquery'
@ -1240,7 +1375,7 @@ create table t1 (id int not null auto_increment primary key, salary int, key(sal
insert into t1 (salary) values (100),(1000),(10000),(10),(500),(5000),(50000);
explain extended SELECT id FROM t1 where salary = (SELECT MAX(salary) FROM t1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ref salary salary 5 const 1 100.00 Using index condition
1 PRIMARY t1 ref salary salary 5 const 0 0.00 Using index condition
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings:
Note 1003 select `test`.`t1`.`id` AS `id` from `test`.`t1` where (`test`.`t1`.`salary` = (select max(`test`.`t1`.`salary`) from `test`.`t1`))
@ -1346,7 +1481,7 @@ a
explain extended select * from t2 where t2.a in (select a from t1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index a a 5 NULL 4 100.00 Using where; Using index
1 PRIMARY t1 ref a a 5 test.t2.a 100 100.00 Using index; FirstMatch(t2)
1 PRIMARY t1 ref a a 5 test.t2.a 101 100.00 Using index; FirstMatch(t2)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) where (`test`.`t1`.`a` = `test`.`t2`.`a`)
select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
@ -1356,7 +1491,7 @@ a
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index a a 5 NULL 4 100.00 Using where; Using index
1 PRIMARY t1 ref a a 5 test.t2.a 100 100.00 Using where; Using index; FirstMatch(t2)
1 PRIMARY t1 ref a a 5 test.t2.a 101 100.00 Using where; Using index; FirstMatch(t2)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` <> 30))
select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
@ -1367,7 +1502,7 @@ explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index a a 5 NULL 4 100.00 Using where; Using index
1 PRIMARY t3 index a a 5 NULL 3 100.00 Using where; Using index
1 PRIMARY t1 ref a a 10 test.t2.a,test.t3.a 11 100.00 Using index; FirstMatch(t2)
1 PRIMARY t1 ref a a 10 test.t2.a,test.t3.a 116 100.00 Using index; FirstMatch(t2)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1` join `test`.`t3`) where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` = `test`.`t3`.`a`))
insert into t1 values (3,31);
@ -1383,7 +1518,7 @@ a
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index a a 5 NULL 4 100.00 Using where; Using index
1 PRIMARY t1 ref a a 5 test.t2.a 100 100.00 Using where; Using index; FirstMatch(t2)
1 PRIMARY t1 ref a a 5 test.t2.a 101 100.00 Using where; Using index; FirstMatch(t2)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` <> 30))
drop table t0, t1, t2, t3;
@ -1420,7 +1555,7 @@ INSERT INTO t1 VALUES ('z','?');
select * from t1 where s1 > (select max(s2) from t1);
ERROR HY000: Illegal mix of collations (latin1_german1_ci,IMPLICIT) and (latin1_swedish_ci,IMPLICIT) for operation '>'
select * from t1 where s1 > any (select max(s2) from t1);
ERROR HY000: Illegal mix of collations (latin1_german1_ci,IMPLICIT) and (latin1_swedish_ci,IMPLICIT) for operation '>'
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (latin1_german1_ci,IMPLICIT) for operation '<'
drop table t1;
create table t1(toid int,rd int);
create table t2(userid int,pmnew int,pmtotal int);
@ -1496,7 +1631,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,(not(<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL where (`test`.`t2`.`s1` < 'a2') having trigcond(<is_not_null_test>(`test`.`t2`.`s1`)))))))) AS `s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')` from `test`.`t1`
drop table t1,t2;
create table t2 (a int, b int);
create table t2 (a int, b int not null);
create table t3 (a int);
insert into t3 values (6),(7),(3);
select * from t3 where a >= all (select b from t2);
@ -1509,7 +1644,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` < (select max(NULL) from `test`.`t2`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,((select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`))))
select * from t3 where a >= some (select b from t2);
a
explain extended select * from t3 where a >= some (select b from t2);
@ -1517,7 +1652,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` >= (select min(NULL) from `test`.`t2`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,((select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))))
select * from t3 where a >= all (select b from t2 group by 1);
a
6
@ -1528,7 +1663,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` < <max>(select NULL from `test`.`t2` group by 1))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(<max>(select NULL from `test`.`t2` group by 1) > <cache>(`test`.`t3`.`a`))))
select * from t3 where a >= some (select b from t2 group by 1);
a
explain extended select * from t3 where a >= some (select b from t2 group by 1);
@ -1536,7 +1671,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` >= <min>(select NULL from `test`.`t2` group by 1))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(<min>(select NULL from `test`.`t2` group by 1) <= <cache>(`test`.`t3`.`a`))))
select * from t3 where NULL >= any (select b from t2);
a
explain extended select * from t3 where NULL >= any (select b from t2);
@ -1544,7 +1679,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(NULL >= (select min(NULL) from `test`.`t2`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,((select min(NULL) from `test`.`t2`) <= NULL)))
select * from t3 where NULL >= any (select b from t2 group by 1);
a
explain extended select * from t3 where NULL >= any (select b from t2 group by 1);
@ -1552,7 +1687,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(NULL >= <min>(select NULL from `test`.`t2` group by 1))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(<min>(select NULL from `test`.`t2` group by 1) <= NULL)))
select * from t3 where NULL >= some (select b from t2);
a
explain extended select * from t3 where NULL >= some (select b from t2);
@ -1560,7 +1695,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(NULL >= (select min(NULL) from `test`.`t2`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,((select min(NULL) from `test`.`t2`) <= NULL)))
select * from t3 where NULL >= some (select b from t2 group by 1);
a
explain extended select * from t3 where NULL >= some (select b from t2 group by 1);
@ -1568,7 +1703,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(NULL >= <min>(select NULL from `test`.`t2` group by 1))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(<min>(select NULL from `test`.`t2` group by 1) <= NULL)))
insert into t2 values (2,2), (2,1), (3,3), (3,1);
select * from t3 where a > all (select max(b) from t2 group by a);
a
@ -1579,7 +1714,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 4 100.00 Using temporary
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` <= <max>(select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(<max>(select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`) >= <cache>(`test`.`t3`.`a`))))
drop table t2, t3;
CREATE TABLE `t1` ( `id` mediumint(9) NOT NULL auto_increment, `taskid` bigint(20) NOT NULL default '0', `dbid` int(11) NOT NULL default '0', `create_date` datetime NOT NULL default '0000-00-00 00:00:00', `last_update` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY (`id`)) ENGINE=MyISAM CHARSET=latin1 AUTO_INCREMENT=3 ;
INSERT INTO `t1` (`id`, `taskid`, `dbid`, `create_date`,`last_update`) VALUES (1, 1, 15, '2003-09-29 10:31:36', '2003-09-29 10:31:36'), (2, 1, 21, now(), now());
@ -1630,7 +1765,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 UNION t1 system NULL NULL NULL NULL 1 100.00
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings:
Note 1003 select 'e' AS `s1` from `test`.`t1` where <nop>(<in_optimizer>('f',('f' > <min>(select 'e' from `test`.`t1` union select 'e' from `test`.`t1`))))
Note 1003 select 'e' AS `s1` from `test`.`t1` where <nop>(<in_optimizer>('f',(<min>(select 'e' from `test`.`t1` union select 'e' from `test`.`t1`) < 'f')))
drop table t1;
CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874');
@ -2833,7 +2968,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`two`,`test`.`t1`.`one`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where ((`test`.`t2`.`flag` = '0') and trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`)))) having (trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`)))))) AS `test` from `test`.`t1`
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where ((`test`.`t2`.`flag` = '0') and trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`)))) having (trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`)))))) AS `test` from `test`.`t1`
explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
@ -2845,7 +2980,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where; Using temporary
Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`two`,`test`.`t1`.`one`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where (`test`.`t2`.`flag` = '0') group by `test`.`t2`.`one`,`test`.`t2`.`two` having (trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`))) and trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`)))))) AS `test` from `test`.`t1`
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where (`test`.`t2`.`flag` = '0') group by `test`.`t2`.`one`,`test`.`t2`.`two` having (trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`))) and trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`)))))) AS `test` from `test`.`t1`
DROP TABLE t1,t2;
CREATE TABLE t1 (a char(5), b char(5));
INSERT INTO t1 VALUES (NULL,'aaa'), ('aaa','aaa');
@ -2961,7 +3096,7 @@ ON r.a = (SELECT t2.a FROM t2 WHERE t2.c = t1.a AND t2.b <= '359899'
ORDER BY t2.c DESC, t2.b DESC LIMIT 1) WHERE t1.a = 10;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system PRIMARY NULL NULL NULL 1
1 PRIMARY r const PRIMARY PRIMARY 4 const 1
1 PRIMARY r eq_ref PRIMARY PRIMARY 4 const 1 Using where
2 DEPENDENT SUBQUERY t2 range b b 40 NULL 2 Using index condition
SELECT sql_no_cache t1.a, r.a, r.b FROM t1 LEFT JOIN t2 r
ON r.a = (SELECT t2.a FROM t2 WHERE t2.c = t1.a AND t2.b <= '359899'
@ -2973,7 +3108,7 @@ ON r.a = (SELECT t2.a FROM t2 WHERE t2.c = t1.a AND t2.b <= '359899'
ORDER BY t2.c, t2.b LIMIT 1) WHERE t1.a = 10;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system PRIMARY NULL NULL NULL 1
1 PRIMARY r const PRIMARY PRIMARY 4 const 1
1 PRIMARY r eq_ref PRIMARY PRIMARY 4 const 1 Using where
2 DEPENDENT SUBQUERY t2 range b b 40 NULL 2 Using index condition
SELECT sql_no_cache t1.a, r.a, r.b FROM t1 LEFT JOIN t2 r
ON r.a = (SELECT t2.a FROM t2 WHERE t2.c = t1.a AND t2.b <= '359899'
@ -4034,7 +4169,7 @@ CREATE TABLE t1 (a int, b int, KEY (a));
INSERT INTO t1 VALUES (1,1),(2,1);
EXPLAIN SELECT 1 FROM t1 WHERE a = (SELECT COUNT(*) FROM t1 GROUP BY b);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ref a a 5 const 1 Using where; Using index
1 PRIMARY t1 ref a a 5 const 0 Using where; Using index
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using temporary; Using filesort
DROP TABLE t1;
CREATE TABLE t1 (id int NOT NULL, st CHAR(2), INDEX idx(id));
@ -4807,7 +4942,6 @@ SELECT 1 FROM t1 GROUP BY
1
1
DROP TABLE t1;
set @@optimizer_switch=@save_optimizer_switch;
#
# Bug #49512 : subquery with aggregate function crash
# subselect_single_select_engine::exec()
@ -5109,6 +5243,167 @@ SELECT 1 as foo FROM t1 WHERE a < SOME
);
foo
DROP TABLE t1;
CREATE TABLE t1 (a int(11), b varchar(1));
INSERT INTO t1 VALUES (2,NULL),(5,'d'),(7,'g');
SELECT a FROM t1 WHERE b < ANY ( SELECT b FROM t1 GROUP BY b );
a
5
SELECT a FROM t1 WHERE b < ANY ( SELECT b FROM t1 );
a
5
SELECT a FROM t1 WHERE b > ANY ( SELECT b FROM t1 GROUP BY b );
a
7
SELECT a FROM t1 WHERE b > ANY ( SELECT b FROM t1 );
a
7
SELECT a FROM t1 WHERE b <= ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b <= ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b >= ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b >= ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b = ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b = ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b <> ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b <> ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b < ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b < ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b > ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b > ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b <= ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b <= ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b >= ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b >= ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b = ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b = ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b <> ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b <> ALL ( SELECT b FROM t1 GROUP BY b );
a
delete from t1;
INSERT INTO t1 VALUES (2,NULL),(5,'d'),(7,'g');
SELECT a FROM t1 WHERE b < ANY ( SELECT b FROM t1 GROUP BY b );
a
5
SELECT a FROM t1 WHERE b < ANY ( SELECT b FROM t1 );
a
5
SELECT a FROM t1 WHERE b > ANY ( SELECT b FROM t1 GROUP BY b );
a
7
SELECT a FROM t1 WHERE b > ANY ( SELECT b FROM t1 );
a
7
SELECT a FROM t1 WHERE b <= ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b <= ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b >= ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b >= ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b = ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b = ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b <> ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b <> ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b < ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b < ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b > ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b > ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b <= ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b <= ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b >= ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b >= ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b = ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b = ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b <> ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b <> ALL ( SELECT b FROM t1 GROUP BY b );
a
drop table t1;
#
# Fix of LP BUG#780386 (NULL left part with empty ALL subquery).
#
CREATE TABLE t1 ( f11 int) ;
INSERT IGNORE INTO t1 VALUES (0),(0);
CREATE TABLE t2 ( f3 int, f10 int, KEY (f10,f3)) ;
INSERT IGNORE INTO t2 VALUES (NULL,NULL),(5,0);
DROP TABLE IF EXISTS t3;
Warnings:
Note 1051 Unknown table 't3'
CREATE TABLE t3 ( f3 int) ;
INSERT INTO t3 VALUES (0),(0);
SELECT a1.f3 AS r FROM t2 AS a1 , t1 WHERE a1.f3 < ALL ( SELECT f3 FROM t3 WHERE f3 = 1 ) ;
r
NULL
5
NULL
5
DROP TABLE t1, t2, t3;
End of 5.2 tests
#
# BUG#779885: Crash in eliminate_item_equal with materialization=on in
# maria-5.3
@ -5130,7 +5425,249 @@ ON t2.f10 = t3.f10
);
f1
DROP TABLE t1,t2,t3;
#
# BUG LP:813473: Wrong result with outer join + NOT IN subquery
# This bug is a duplicate of Bug#11764086 whose test case is added below
#
CREATE TABLE t1 (c int) ;
INSERT INTO t1 VALUES (5),(6);
CREATE TABLE t2 (a int, b int) ;
INSERT INTO t2 VALUES (20,9),(20,9);
create table t3 (d int, e int);
insert into t3 values (2, 9), (3,10);
EXPLAIN
SELECT t2.b , t1.c
FROM t2 LEFT JOIN t1 ON t1.c < 3
WHERE (t2.b , t1.c) NOT IN (SELECT * from t3);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 2
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using where
SELECT t2.b , t1.c
FROM t2 LEFT JOIN t1 ON t1.c < 3
WHERE (t2.b, t1.c) NOT IN (SELECT * from t3);
b c
9 NULL
9 NULL
drop table t1, t2, t3;
End of 5.3 tests
End of 5.5 tests.
#
# Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
#
CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2(a1 int);
INSERT INTO t2 VALUES (3);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
1
1
1
SET SESSION sql_mode=@old_sql_mode;
DROP TABLE t1, t2;
#
# Bug#11764086: Null left operand to NOT IN in WHERE clause
# behaves differently than real NULL
#
CREATE TABLE parent (id int);
INSERT INTO parent VALUES (1), (2);
CREATE TABLE child (parent_id int, other int);
INSERT INTO child VALUES (1,NULL);
# Offending query (c.parent_id is NULL for null-complemented rows only)
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id NOT IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
);
id parent_id
1 1
2 NULL
# Some syntactic variations with IS FALSE and IS NOT TRUE
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
) IS NOT TRUE;
id parent_id
1 1
2 NULL
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
) IS FALSE;
id parent_id
1 1
2 NULL
DROP TABLE parent, child;
# End of test for bug#11764086.
#
# BUG#50257: Missing info in REF column of the EXPLAIN
# lines for subselects
#
CREATE TABLE t1 (a INT, b INT, INDEX (a));
INSERT INTO t1 VALUES (3, 10), (2, 20), (7, 10), (5, 20);
EXPLAIN SELECT * FROM (SELECT * FROM t1 WHERE a=7) t;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2
2 DERIVED t1 ref a a 5 const 1
EXPLAIN SELECT * FROM t1 WHERE EXISTS (SELECT * FROM t1 WHERE a=7);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 4
2 SUBQUERY t1 ref a a 5 const 1 Using index
DROP TABLE t1;
#
# Bug 11765699 - 58690: !TABLE || (!TABLE->READ_SET ||
# BITMAP_IS_SET(TABLE->READ_SET, FIELD_INDEX
#
CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES (0), (1);
CREATE TABLE t2(
b TEXT,
c INT,
PRIMARY KEY (b(1))
);
INSERT INTO t2 VALUES ('a', 2), ('b', 3);
SELECT 1 FROM t1 WHERE a =
(SELECT 1 FROM t2 WHERE b =
(SELECT 1 FROM t1 t11 WHERE c = 1 OR t1.a = 1 AND 1 = 2)
ORDER BY b
);
1
SELECT 1 FROM t1 WHERE a =
(SELECT 1 FROM t2 WHERE b =
(SELECT 1 FROM t1 t11 WHERE c = 1 OR t1.a = 1 AND 1 = 2)
GROUP BY b
);
1
DROP TABLE t1, t2;
#
# BUG#12616253 - WRONG RESULT WITH EXISTS(SUBQUERY) (MISSING ROWS)
#
CREATE TABLE t1 (f1 varchar(1));
INSERT INTO t1 VALUES ('v'),('s');
CREATE TABLE t2 (f1_key varchar(1), KEY (f1_key));
INSERT INTO t2 VALUES ('j'),('v'),('c'),('m'),('d'),
('d'),('y'),('t'),('d'),('s');
SELECT table1.f1, table2.f1_key
FROM t1 AS table1, t2 AS table2
WHERE EXISTS
(
SELECT DISTINCT f1_key
FROM t2
WHERE f1_key != table2.f1_key AND f1_key >= table1.f1 );
f1 f1_key
v j
s j
v v
s v
v c
s c
v m
s m
v d
s d
v d
s d
v y
s y
v t
s t
v d
s d
v s
s s
explain SELECT table1.f1, table2.f1_key
FROM t1 AS table1, t2 AS table2
WHERE EXISTS
(
SELECT DISTINCT f1_key
FROM t2
WHERE f1_key != table2.f1_key AND f1_key >= table1.f1 );
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY table1 ALL NULL NULL NULL NULL 2
1 PRIMARY table2 index NULL f1_key 4 NULL 10 Using where; Using index; Using join buffer (flat, BNL join)
2 DEPENDENT SUBQUERY t2 range f1_key f1_key 4 NULL 6 Range checked for each record (index map: 0x1); Using temporary
DROP TABLE t1,t2;
#
# LP bug #826279: assertion failure with GROUP BY a result of subquery
#
CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (0), (0);
CREATE TABLE t2 (a int, b int, c int);
INSERT INTO t2 VALUES (10,7,0), (0,7,0);
CREATE TABLE t3 (a int, b int);
INSERT INTO t3 VALUES (10,7), (0,7);
SELECT SUM(DISTINCT b),
(SELECT t2.a FROM t1 JOIN t2 ON t2.c != 0
WHERE t.a != 0 AND t2.a != 0)
FROM (SELECT * FROM t3) AS t
GROUP BY 2;
SUM(DISTINCT b) (SELECT t2.a FROM t1 JOIN t2 ON t2.c != 0
WHERE t.a != 0 AND t2.a != 0)
7 NULL
SELECT SUM(DISTINCT b),
(SELECT t2.a FROM t1,t2 WHERE t.a != 0 or 1=2 LIMIT 1)
FROM (SELECT * FROM t3) AS t
GROUP BY 2;
SUM(DISTINCT b) (SELECT t2.a FROM t1,t2 WHERE t.a != 0 or 1=2 LIMIT 1)
7 NULL
7 10
DROP TABLE t1,t2,t3;
#
# Bug#12329653
# EXPLAIN, UNION, PREPARED STATEMENT, CRASH, SQL_FULL_GROUP_BY
#
CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
1
1
1
PREPARE stmt FROM
'SELECT 1 UNION ALL
SELECT 1 FROM t1
ORDER BY
(SELECT 1 FROM t1 AS t1_0
WHERE 1 < SOME (SELECT a1 FROM t1)
)' ;
EXECUTE stmt ;
ERROR 21000: Subquery returns more than 1 row
EXECUTE stmt ;
ERROR 21000: Subquery returns more than 1 row
SET SESSION sql_mode=@old_sql_mode;
DEALLOCATE PREPARE stmt;
DROP TABLE t1;
set optimizer_switch=@subselect_tmp;
set optimizer_switch=default;
select @@optimizer_switch like '%materialization=on%';
@@optimizer_switch like '%materialization=on%'

646
mysql-test/r/subselect_no_opts.result
View File

@ -1,8 +1,10 @@
set optimizer_switch='materialization=off,semijoin=off';
set @optimizer_switch_for_subselect_test='materialization=off,semijoin=off,subquery_cache=off,mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t11,t12;
drop view if exists v2;
set @save_optimizer_switch=@@optimizer_switch;
set @@optimizer_switch="partial_match_rowid_merge=off,partial_match_table_scan=off";
set @subselect_tmp=@@optimizer_switch;
set @@optimizer_switch=ifnull(@optimizer_switch_for_subselect_test,
"semijoin=on,firstmatch=on,loosescan=on,partial_match_rowid_merge=off,partial_match_table_scan=off");
set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
select (select 2);
(select 2)
2
@ -54,7 +56,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings:
Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select 1 AS `1` from (select 1 AS `a`) `b` having (<expr_cache><1>((select 1)) = 1)
Note 1003 select 1 AS `1` from (select 1 AS `a`) `b` having ((select 1) = 1)
SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
1
1
@ -203,10 +205,11 @@ select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
explain extended select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
(select * from t2 where a>1) as tt;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
1 PRIMARY <derived3> ALL NULL NULL NULL NULL 2 100.00
3 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using where
2 SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using filesort
Warnings:
Note 1003 select (select `test`.`t3`.`a` from `test`.`t3` where (`test`.`t3`.`a` < 8) order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,`test`.`t2`.`a` AS `a` from `test`.`t2` where (`test`.`t2`.`a` > 1)
Note 1003 select (select `test`.`t3`.`a` from `test`.`t3` where (`test`.`t3`.`a` < 8) order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,`tt`.`a` AS `a` from (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where (`test`.`t2`.`a` > 1)) `tt`
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1);
a
2
@ -273,7 +276,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` >= (select min(`test`.`t2`.`b`) from `test`.`t2`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,((select min(`test`.`t2`.`b`) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))))
select * from t3 where a >= all (select b from t2);
a
7
@ -317,7 +320,7 @@ NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings:
Note 1276 Field or reference 'test.t2.a' of SELECT #2 was resolved in SELECT #1
Note 1276 Field or reference 'test.t2.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select <expr_cache><`test`.`t2`.`a`>((select 2 from `test`.`t1` where (2 = `test`.`t2`.`a`) union select `test`.`t5`.`a` from `test`.`t5` where (`test`.`t5`.`a` = `test`.`t2`.`a`))) AS `(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)`,`test`.`t2`.`a` AS `a` from `test`.`t2`
Note 1003 select (select 2 from `test`.`t1` where (2 = `test`.`t2`.`a`) union select `test`.`t5`.`a` from `test`.`t5` where (`test`.`t5`.`a` = `test`.`t2`.`a`)) AS `(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)`,`test`.`t2`.`a` AS `a` from `test`.`t2`
select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2;
ERROR 21000: Subquery returns more than 1 row
create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq));
@ -335,7 +338,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t7 eq_ref PRIMARY PRIMARY 4 test.t6.clinic_uq 1 100.00 Using index
Warnings:
Note 1276 Field or reference 'test.t6.clinic_uq' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t6` where <expr_cache><`test`.`t6`.`clinic_uq`>(exists(select 1 from `test`.`t7` where (`test`.`t7`.`uq` = `test`.`t6`.`clinic_uq`)))
Note 1003 select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t6` where exists(select 1 from `test`.`t7` where (`test`.`t7`.`uq` = `test`.`t6`.`clinic_uq`))
select * from t1 where a= (select a from t2,t4 where t2.b=t4.b);
ERROR 23000: Column 'a' in field list is ambiguous
drop table t1,t2,t3;
@ -365,12 +368,12 @@ INSERT INTO t8 (pseudo,email) VALUES ('joce1','test1');
INSERT INTO t8 (pseudo,email) VALUES ('2joce1','2test1');
EXPLAIN EXTENDED SELECT pseudo,(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce')) FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index
1 PRIMARY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using where; Using index
4 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index
2 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00
2 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using where
3 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index
Warnings:
Note 1003 select 'joce' AS `pseudo`,(select 'test' from `test`.`t8` where ('joce' = (select 'joce' from `test`.`t8` where 1))) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where ('joce' = (select 'joce' from `test`.`t8` where 1))
Note 1003 select `test`.`t8`.`pseudo` AS `pseudo`,(select `test`.`t8`.`email` from `test`.`t8` where (`test`.`t8`.`pseudo` = (select 'joce' from `test`.`t8` where 1))) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where (`test`.`t8`.`pseudo` = (select 'joce' from `test`.`t8` where 1))
SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM
t8 WHERE pseudo='joce');
ERROR 21000: Operand should contain 1 column(s)
@ -541,18 +544,24 @@ SELECT numreponse, (SELECT numeropost FROM t1 HAVING numreponse=1) FROM (SELECT
numreponse (SELECT numeropost FROM t1 HAVING numreponse=1)
INSERT INTO t1 (numeropost,numreponse,pseudo) VALUES (1,1,'joce'),(1,2,'joce'),(1,3,'test');
EXPLAIN EXTENDED SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM t1 WHERE numeropost='1');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using where; Using index
2 SUBQUERY t1 ref PRIMARY PRIMARY 3 const 2 100.00 Using index
Warnings:
Note 1003 select `test`.`t1`.`numreponse` AS `numreponse` from `test`.`t1` where ((`test`.`t1`.`numeropost` = '1') and (`test`.`t1`.`numreponse` = (select 1 from `test`.`t1` where (`test`.`t1`.`numeropost` = '1'))))
SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM t1 WHERE numeropost='1');
ERROR 21000: Subquery returns more than 1 row
EXPLAIN EXTENDED SELECT MAX(numreponse) FROM t1 WHERE numeropost='1';
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings:
Note 1003 select max(`test`.`t1`.`numreponse`) AS `MAX(numreponse)` from `test`.`t1` where multiple equal(1, `test`.`t1`.`numeropost`)
Note 1003 select max(`test`.`t1`.`numreponse`) AS `MAX(numreponse)` from `test`.`t1` where (`test`.`t1`.`numeropost` = '1')
EXPLAIN EXTENDED SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT MAX(numreponse) FROM t1 WHERE numeropost='1');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using index
1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using where; Using index
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings:
Note 1003 select 3 AS `numreponse` from `test`.`t1` where ((3 = 3))
Note 1003 select `test`.`t1`.`numreponse` AS `numreponse` from `test`.`t1` where ((`test`.`t1`.`numeropost` = '1') and (`test`.`t1`.`numreponse` = (select max(`test`.`t1`.`numreponse`) from `test`.`t1` where (`test`.`t1`.`numeropost` = '1'))))
drop table t1;
CREATE TABLE t1 (a int(1));
INSERT INTO t1 VALUES (1);
@ -749,7 +758,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings:
Note 1003 select `test`.`t2`.`id` AS `id` from `test`.`t2` where <expr_cache><`test`.`t2`.`id`>(<in_optimizer>(`test`.`t2`.`id`,<exists>(select 1 having (<cache>(`test`.`t2`.`id`) = <ref_null_helper>(1)) union select 3 having (<cache>(`test`.`t2`.`id`) = <ref_null_helper>(3)))))
Note 1003 select `test`.`t2`.`id` AS `id` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`id`,<exists>(select 1 having (<cache>(`test`.`t2`.`id`) = <ref_null_helper>(1)) union select 3 having (<cache>(`test`.`t2`.`id`) = <ref_null_helper>(3))))
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 3);
id
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 2);
@ -897,7 +906,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL PRIMARY 4 NULL 4 100.00 Using index
2 DEPENDENT SUBQUERY t2 index_subquery a a 5 func 2 100.00 Using index
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`a`) in t2 on a checking NULL having <is_not_null_test>(`test`.`t2`.`a`))))) AS `t1.a in (select t2.a from t2)` from `test`.`t1`
Note 1003 select `test`.`t1`.`a` AS `a`,<in_optimizer>(`test`.`t1`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`a`) in t2 on a checking NULL having <is_not_null_test>(`test`.`t2`.`a`)))) AS `t1.a in (select t2.a from t2)` from `test`.`t1`
CREATE TABLE t3 (a int(11) default '0');
INSERT INTO t3 VALUES (1),(2),(3);
SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1;
@ -912,8 +921,133 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t2 ref_or_null a a 5 func 2 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select `test`.`t2`.`a` from `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t2`.`a`) and ((<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`) or isnull(`test`.`t2`.`a`))) having <is_not_null_test>(`test`.`t2`.`a`)))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`
Note 1003 select `test`.`t1`.`a` AS `a`,<in_optimizer>(`test`.`t1`.`a`,<exists>(select `test`.`t2`.`a` from `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t2`.`a`) and ((<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`) or isnull(`test`.`t2`.`a`))) having <is_not_null_test>(`test`.`t2`.`a`))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`
drop table t1,t2,t3;
# check correct NULL Processing for normal IN/ALL/ANY
# and 2 ways of max/min optimization
create table t1 (a int);
insert into t1 values (1), (100), (NULL), (1000);
create table t2 (a int not null);
# subselect returns empty set (for NULL and non-NULL left part)
select a, a in (select * from t2) from t1;
a a in (select * from t2)
1 0
100 0
NULL 0
1000 0
select a, a > any (select * from t2) from t1;
a a > any (select * from t2)
1 0
100 0
NULL 0
1000 0
select a, a > all (select * from t2) from t1;
a a > all (select * from t2)
1 1
100 1
NULL 1
1000 1
select a from t1 where a in (select * from t2);
a
select a from t1 where a > any (select * from t2);
a
select a from t1 where a > all (select * from t2);
a
1
100
NULL
1000
select a from t1 where a in (select * from t2 group by a);
a
select a from t1 where a > any (select * from t2 group by a);
a
select a from t1 where a > all (select * from t2 group by a);
a
1
100
NULL
1000
insert into t2 values (1),(200);
# sebselect returns non-empty set without NULLs
select a, a in (select * from t2) from t1;
a a in (select * from t2)
1 1
100 0
NULL NULL
1000 0
select a, a > any (select * from t2) from t1;
a a > any (select * from t2)
1 0
100 1
NULL NULL
1000 1
select a, a > all (select * from t2) from t1;
a a > all (select * from t2)
1 0
100 0
NULL NULL
1000 1
select a from t1 where a in (select * from t2);
a
1
select a from t1 where a > any (select * from t2);
a
100
1000
select a from t1 where a > all (select * from t2);
a
1000
select a from t1 where a in (select * from t2 group by a);
a
1
select a from t1 where a > any (select * from t2 group by a);
a
100
1000
select a from t1 where a > all (select * from t2 group by a);
a
1000
drop table t2;
create table t2 (a int);
insert into t2 values (1),(NULL),(200);
# sebselect returns non-empty set with NULLs
select a, a in (select * from t2) from t1;
a a in (select * from t2)
1 1
100 NULL
NULL NULL
1000 NULL
select a, a > any (select * from t2) from t1;
a a > any (select * from t2)
1 NULL
100 1
NULL NULL
1000 1
select a, a > all (select * from t2) from t1;
a a > all (select * from t2)
1 0
100 0
NULL NULL
1000 NULL
select a from t1 where a in (select * from t2);
a
1
select a from t1 where a > any (select * from t2);
a
100
1000
select a from t1 where a > all (select * from t2);
a
select a from t1 where a in (select * from t2 group by a);
a
1
select a from t1 where a > any (select * from t2 group by a);
a
100
1000
select a from t1 where a > all (select * from t2 group by a);
a
drop table t1, t2;
create table t1 (a float);
select 10.5 IN (SELECT * from t1 LIMIT 1);
ERROR 42000: This version of MySQL doesn't yet support 'LIMIT & IN/ALL/ANY/SOME subquery'
@ -1237,7 +1371,7 @@ create table t1 (id int not null auto_increment primary key, salary int, key(sal
insert into t1 (salary) values (100),(1000),(10000),(10),(500),(5000),(50000);
explain extended SELECT id FROM t1 where salary = (SELECT MAX(salary) FROM t1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ref salary salary 5 const 1 100.00 Using index condition
1 PRIMARY t1 ref salary salary 5 const 0 0.00 Using index condition
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings:
Note 1003 select `test`.`t1`.`id` AS `id` from `test`.`t1` where (`test`.`t1`.`salary` = (select max(`test`.`t1`.`salary`) from `test`.`t1`))
@ -1302,7 +1436,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL PRIMARY 4 NULL 4 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(<primary_index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on PRIMARY))))
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(<primary_index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on PRIMARY)))
select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
a
2
@ -1312,7 +1446,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL PRIMARY 4 NULL 4 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using where
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(<primary_index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on PRIMARY where ((`test`.`t1`.`b` <> 30) and (<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`))))))
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(<primary_index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on PRIMARY where ((`test`.`t1`.`b` <> 30) and (<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`)))))
select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
a
2
@ -1323,7 +1457,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 func 1 100.00 Using where
2 DEPENDENT SUBQUERY t3 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 100.00 Using index
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(select `test`.`t1`.`a` from `test`.`t1` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t1`.`b`) and (<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`)))))
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(select `test`.`t1`.`a` from `test`.`t1` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t1`.`b`) and (<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`))))
drop table t1, t2, t3;
create table t1 (a int, b int, index a (a,b));
create table t2 (a int, index a (a));
@ -1345,7 +1479,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL a 5 NULL 4 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 1001 100.00 Using index
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a))))
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a)))
select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
a
2
@ -1355,7 +1489,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL a 5 NULL 4 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 1001 100.00 Using index; Using where
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a where ((`test`.`t1`.`b` <> 30) and (<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`))))))
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a where ((`test`.`t1`.`b` <> 30) and (<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`)))))
select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
a
2
@ -1366,7 +1500,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 ref a a 5 func 1001 100.00 Using index
2 DEPENDENT SUBQUERY t3 index a a 5 NULL 3 100.00 Using where; Using index; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(select `test`.`t1`.`a` from `test`.`t1` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t1`.`b`) and (<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`)))))
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(select `test`.`t1`.`a` from `test`.`t1` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t1`.`b`) and (<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`))))
insert into t1 values (3,31);
select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
a
@ -1382,7 +1516,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL a 5 NULL 4 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 1001 100.00 Using index; Using where
Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a where ((`test`.`t1`.`b` <> 30) and (<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`))))))
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a where ((`test`.`t1`.`b` <> 30) and (<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`)))))
drop table t0, t1, t2, t3;
create table t1 (a int, b int);
create table t2 (a int, b int);
@ -1417,7 +1551,7 @@ INSERT INTO t1 VALUES ('z','?');
select * from t1 where s1 > (select max(s2) from t1);
ERROR HY000: Illegal mix of collations (latin1_german1_ci,IMPLICIT) and (latin1_swedish_ci,IMPLICIT) for operation '>'
select * from t1 where s1 > any (select max(s2) from t1);
ERROR HY000: Illegal mix of collations (latin1_german1_ci,IMPLICIT) and (latin1_swedish_ci,IMPLICIT) for operation '>'
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (latin1_german1_ci,IMPLICIT) for operation '<'
drop table t1;
create table t1(toid int,rd int);
create table t2(userid int,pmnew int,pmtotal int);
@ -1473,27 +1607,27 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 DEPENDENT SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key
Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,(not(<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(<is_not_null_test>(`test`.`t2`.`s1`)))))))) AS `s1 NOT IN (SELECT s1 FROM t2)` from `test`.`t1`
Note 1003 select `test`.`t1`.`s1` AS `s1`,(not(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(<is_not_null_test>(`test`.`t2`.`s1`))))))) AS `s1 NOT IN (SELECT s1 FROM t2)` from `test`.`t1`
explain extended select s1, s1 = ANY (SELECT s1 FROM t2) from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 DEPENDENT SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key
Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(<is_not_null_test>(`test`.`t2`.`s1`)))))) AS `s1 = ANY (SELECT s1 FROM t2)` from `test`.`t1`
Note 1003 select `test`.`t1`.`s1` AS `s1`,<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(<is_not_null_test>(`test`.`t2`.`s1`))))) AS `s1 = ANY (SELECT s1 FROM t2)` from `test`.`t1`
explain extended select s1, s1 <> ALL (SELECT s1 FROM t2) from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 DEPENDENT SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key
Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,(not(<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(<is_not_null_test>(`test`.`t2`.`s1`)))))))) AS `s1 <> ALL (SELECT s1 FROM t2)` from `test`.`t1`
Note 1003 select `test`.`t1`.`s1` AS `s1`,(not(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(<is_not_null_test>(`test`.`t2`.`s1`))))))) AS `s1 <> ALL (SELECT s1 FROM t2)` from `test`.`t1`
explain extended select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 DEPENDENT SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Using where; Full scan on NULL key
Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,(not(<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL where (`test`.`t2`.`s1` < 'a2') having trigcond(<is_not_null_test>(`test`.`t2`.`s1`)))))))) AS `s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')` from `test`.`t1`
Note 1003 select `test`.`t1`.`s1` AS `s1`,(not(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL where (`test`.`t2`.`s1` < 'a2') having trigcond(<is_not_null_test>(`test`.`t2`.`s1`))))))) AS `s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')` from `test`.`t1`
drop table t1,t2;
create table t2 (a int, b int);
create table t2 (a int, b int not null);
create table t3 (a int);
insert into t3 values (6),(7),(3);
select * from t3 where a >= all (select b from t2);
@ -1506,7 +1640,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` < (select max(NULL) from `test`.`t2`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,((select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`))))
select * from t3 where a >= some (select b from t2);
a
explain extended select * from t3 where a >= some (select b from t2);
@ -1514,7 +1648,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` >= (select min(NULL) from `test`.`t2`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,((select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))))
select * from t3 where a >= all (select b from t2 group by 1);
a
6
@ -1525,7 +1659,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` < <max>(select NULL from `test`.`t2` group by 1))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(<max>(select NULL from `test`.`t2` group by 1) > <cache>(`test`.`t3`.`a`))))
select * from t3 where a >= some (select b from t2 group by 1);
a
explain extended select * from t3 where a >= some (select b from t2 group by 1);
@ -1533,7 +1667,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` >= <min>(select NULL from `test`.`t2` group by 1))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(<min>(select NULL from `test`.`t2` group by 1) <= <cache>(`test`.`t3`.`a`))))
select * from t3 where NULL >= any (select b from t2);
a
explain extended select * from t3 where NULL >= any (select b from t2);
@ -1541,7 +1675,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(NULL >= (select min(NULL) from `test`.`t2`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,((select min(NULL) from `test`.`t2`) <= NULL)))
select * from t3 where NULL >= any (select b from t2 group by 1);
a
explain extended select * from t3 where NULL >= any (select b from t2 group by 1);
@ -1549,7 +1683,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(NULL >= <min>(select NULL from `test`.`t2` group by 1))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(<min>(select NULL from `test`.`t2` group by 1) <= NULL)))
select * from t3 where NULL >= some (select b from t2);
a
explain extended select * from t3 where NULL >= some (select b from t2);
@ -1557,7 +1691,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(NULL >= (select min(NULL) from `test`.`t2`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,((select min(NULL) from `test`.`t2`) <= NULL)))
select * from t3 where NULL >= some (select b from t2 group by 1);
a
explain extended select * from t3 where NULL >= some (select b from t2 group by 1);
@ -1565,7 +1699,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(NULL >= <min>(select NULL from `test`.`t2` group by 1))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(<min>(select NULL from `test`.`t2` group by 1) <= NULL)))
insert into t2 values (2,2), (2,1), (3,3), (3,1);
select * from t3 where a > all (select max(b) from t2 group by a);
a
@ -1576,7 +1710,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 4 100.00 Using temporary
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` <= <max>(select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(<max>(select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`) >= <cache>(`test`.`t3`.`a`))))
drop table t2, t3;
CREATE TABLE `t1` ( `id` mediumint(9) NOT NULL auto_increment, `taskid` bigint(20) NOT NULL default '0', `dbid` int(11) NOT NULL default '0', `create_date` datetime NOT NULL default '0000-00-00 00:00:00', `last_update` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY (`id`)) ENGINE=MyISAM CHARSET=latin1 AUTO_INCREMENT=3 ;
INSERT INTO `t1` (`id`, `taskid`, `dbid`, `create_date`,`last_update`) VALUES (1, 1, 15, '2003-09-29 10:31:36', '2003-09-29 10:31:36'), (2, 1, 21, now(), now());
@ -1627,7 +1761,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 UNION t1 system NULL NULL NULL NULL 1 100.00
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings:
Note 1003 select 'e' AS `s1` from `test`.`t1` where <nop>(<in_optimizer>('f',('f' > <min>(select 'e' from `test`.`t1` union select 'e' from `test`.`t1`))))
Note 1003 select 'e' AS `s1` from `test`.`t1` where <nop>(<in_optimizer>('f',(<min>(select 'e' from `test`.`t1` union select 'e' from `test`.`t1`) < 'f')))
drop table t1;
CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874');
@ -1746,14 +1880,14 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 12 100.00 Using where
2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index; Using where
Warnings:
Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`text` AS `text` from `test`.`t1` where (not(<expr_cache><`test`.`t1`.`id`>(<in_optimizer>(`test`.`t1`.`id`,<exists>(<primary_index_lookup>(<cache>(`test`.`t1`.`id`) in t1 on PRIMARY where ((`test`.`t1`.`id` < 8) and (<cache>(`test`.`t1`.`id`) = `test`.`t1`.`id`))))))))
Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`text` AS `text` from `test`.`t1` where (not(<in_optimizer>(`test`.`t1`.`id`,<exists>(<primary_index_lookup>(<cache>(`test`.`t1`.`id`) in t1 on PRIMARY where ((`test`.`t1`.`id` < 8) and (<cache>(`test`.`t1`.`id`) = `test`.`t1`.`id`)))))))
explain extended select * from t1 as tt where not exists (select id from t1 where id < 8 and (id = tt.id or id is null) having id is not null);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY tt ALL NULL NULL NULL NULL 12 100.00 Using where
2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 test.tt.id 1 100.00 Using where; Using index
Warnings:
Note 1276 Field or reference 'test.tt.id' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where (not(<expr_cache><`test`.`tt`.`id`>(exists(select `test`.`t1`.`id` from `test`.`t1` where ((`test`.`t1`.`id` < 8) and (`test`.`t1`.`id` = `test`.`tt`.`id`)) having (`test`.`t1`.`id` is not null)))))
Note 1003 select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where (not(exists(select `test`.`t1`.`id` from `test`.`t1` where ((`test`.`t1`.`id` < 8) and (`test`.`t1`.`id` = `test`.`tt`.`id`)) having (`test`.`t1`.`id` is not null))))
insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001');
create table t2 (id int not null, text varchar(20) not null default '', primary key (id));
insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10');
@ -2289,7 +2423,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1276 Field or reference 'test.up.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` where <expr_cache><`test`.`up`.`a`>(exists(select 1 from `test`.`t1` where (`test`.`t1`.`a` = `test`.`up`.`a`)))
Note 1003 select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` where exists(select 1 from `test`.`t1` where (`test`.`t1`.`a` = `test`.`up`.`a`))
drop table t1;
CREATE TABLE t1 (t1_a int);
INSERT INTO t1 VALUES (1);
@ -2830,19 +2964,19 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`two`,`test`.`t1`.`one`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where ((`test`.`t2`.`flag` = '0') and trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`)))) having (trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`)))))) AS `test` from `test`.`t1`
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where ((`test`.`t2`.`flag` = '0') and trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`)))) having (trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`))))) AS `test` from `test`.`t1`
explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` where <expr_cache><`test`.`t1`.`two`,`test`.`t1`.`one`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where ((`test`.`t2`.`flag` = 'N') and (<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) and (<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`)))))
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where ((`test`.`t2`.`flag` = 'N') and (<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) and (<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`))))
explain extended SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0' group by one,two) as 'test' from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where; Using temporary
Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`two`,`test`.`t1`.`one`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where (`test`.`t2`.`flag` = '0') group by `test`.`t2`.`one`,`test`.`t2`.`two` having (trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`))) and trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`)))))) AS `test` from `test`.`t1`
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where (`test`.`t2`.`flag` = '0') group by `test`.`t2`.`one`,`test`.`t2`.`two` having (trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`))) and trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`))))) AS `test` from `test`.`t1`
DROP TABLE t1,t2;
CREATE TABLE t1 (a char(5), b char(5));
INSERT INTO t1 VALUES (NULL,'aaa'), ('aaa','aaa');
@ -2958,7 +3092,7 @@ ON r.a = (SELECT t2.a FROM t2 WHERE t2.c = t1.a AND t2.b <= '359899'
ORDER BY t2.c DESC, t2.b DESC LIMIT 1) WHERE t1.a = 10;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system PRIMARY NULL NULL NULL 1
1 PRIMARY r const PRIMARY PRIMARY 4 const 1
1 PRIMARY r eq_ref PRIMARY PRIMARY 4 const 1 Using where
2 DEPENDENT SUBQUERY t2 range b b 40 NULL 2 Using index condition
SELECT sql_no_cache t1.a, r.a, r.b FROM t1 LEFT JOIN t2 r
ON r.a = (SELECT t2.a FROM t2 WHERE t2.c = t1.a AND t2.b <= '359899'
@ -2970,7 +3104,7 @@ ON r.a = (SELECT t2.a FROM t2 WHERE t2.c = t1.a AND t2.b <= '359899'
ORDER BY t2.c, t2.b LIMIT 1) WHERE t1.a = 10;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system PRIMARY NULL NULL NULL 1
1 PRIMARY r const PRIMARY PRIMARY 4 const 1
1 PRIMARY r eq_ref PRIMARY PRIMARY 4 const 1 Using where
2 DEPENDENT SUBQUERY t2 range b b 40 NULL 2 Using index condition
SELECT sql_no_cache t1.a, r.a, r.b FROM t1 LEFT JOIN t2 r
ON r.a = (SELECT t2.a FROM t2 WHERE t2.c = t1.a AND t2.b <= '359899'
@ -4031,7 +4165,7 @@ CREATE TABLE t1 (a int, b int, KEY (a));
INSERT INTO t1 VALUES (1,1),(2,1);
EXPLAIN SELECT 1 FROM t1 WHERE a = (SELECT COUNT(*) FROM t1 GROUP BY b);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ref a a 5 const 1 Using where; Using index
1 PRIMARY t1 ref a a 5 const 0 Using where; Using index
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using temporary; Using filesort
DROP TABLE t1;
CREATE TABLE t1 (id int NOT NULL, st CHAR(2), INDEX idx(id));
@ -4325,13 +4459,13 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary
Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where <expr_cache><1>(<in_optimizer>(1,<exists>(select 1 from `test`.`t1` group by `test`.`t1`.`a` having (1 = <ref_null_helper>(1)))))
Note 1003 select 1 AS `1` from `test`.`t1` where <in_optimizer>(1,<exists>(select 1 from `test`.`t1` group by `test`.`t1`.`a` having (1 = <ref_null_helper>(1))))
EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT 1 FROM t1 WHERE a > 3 GROUP BY a);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where; Using temporary
Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where <expr_cache><1>(<in_optimizer>(1,<exists>(select 1 from `test`.`t1` where (`test`.`t1`.`a` > 3) group by `test`.`t1`.`a` having (1 = <ref_null_helper>(1)))))
Note 1003 select 1 AS `1` from `test`.`t1` where <in_optimizer>(1,<exists>(select 1 from `test`.`t1` where (`test`.`t1`.`a` > 3) group by `test`.`t1`.`a` having (1 = <ref_null_helper>(1))))
DROP TABLE t1;
#
# Bug#45061: Incorrectly market field caused wrong result.
@ -4804,7 +4938,6 @@ SELECT 1 FROM t1 GROUP BY
1
1
DROP TABLE t1;
set @@optimizer_switch=@save_optimizer_switch;
#
# Bug #49512 : subquery with aggregate function crash
# subselect_single_select_engine::exec()
@ -5106,6 +5239,167 @@ SELECT 1 as foo FROM t1 WHERE a < SOME
);
foo
DROP TABLE t1;
CREATE TABLE t1 (a int(11), b varchar(1));
INSERT INTO t1 VALUES (2,NULL),(5,'d'),(7,'g');
SELECT a FROM t1 WHERE b < ANY ( SELECT b FROM t1 GROUP BY b );
a
5
SELECT a FROM t1 WHERE b < ANY ( SELECT b FROM t1 );
a
5
SELECT a FROM t1 WHERE b > ANY ( SELECT b FROM t1 GROUP BY b );
a
7
SELECT a FROM t1 WHERE b > ANY ( SELECT b FROM t1 );
a
7
SELECT a FROM t1 WHERE b <= ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b <= ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b >= ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b >= ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b = ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b = ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b <> ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b <> ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b < ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b < ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b > ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b > ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b <= ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b <= ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b >= ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b >= ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b = ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b = ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b <> ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b <> ALL ( SELECT b FROM t1 GROUP BY b );
a
delete from t1;
INSERT INTO t1 VALUES (2,NULL),(5,'d'),(7,'g');
SELECT a FROM t1 WHERE b < ANY ( SELECT b FROM t1 GROUP BY b );
a
5
SELECT a FROM t1 WHERE b < ANY ( SELECT b FROM t1 );
a
5
SELECT a FROM t1 WHERE b > ANY ( SELECT b FROM t1 GROUP BY b );
a
7
SELECT a FROM t1 WHERE b > ANY ( SELECT b FROM t1 );
a
7
SELECT a FROM t1 WHERE b <= ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b <= ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b >= ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b >= ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b = ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b = ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b <> ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b <> ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b < ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b < ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b > ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b > ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b <= ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b <= ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b >= ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b >= ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b = ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b = ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b <> ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b <> ALL ( SELECT b FROM t1 GROUP BY b );
a
drop table t1;
#
# Fix of LP BUG#780386 (NULL left part with empty ALL subquery).
#
CREATE TABLE t1 ( f11 int) ;
INSERT IGNORE INTO t1 VALUES (0),(0);
CREATE TABLE t2 ( f3 int, f10 int, KEY (f10,f3)) ;
INSERT IGNORE INTO t2 VALUES (NULL,NULL),(5,0);
DROP TABLE IF EXISTS t3;
Warnings:
Note 1051 Unknown table 't3'
CREATE TABLE t3 ( f3 int) ;
INSERT INTO t3 VALUES (0),(0);
SELECT a1.f3 AS r FROM t2 AS a1 , t1 WHERE a1.f3 < ALL ( SELECT f3 FROM t3 WHERE f3 = 1 ) ;
r
NULL
5
NULL
5
DROP TABLE t1, t2, t3;
End of 5.2 tests
#
# BUG#779885: Crash in eliminate_item_equal with materialization=on in
# maria-5.3
@ -5127,5 +5421,247 @@ ON t2.f10 = t3.f10
);
f1
DROP TABLE t1,t2,t3;
#
# BUG LP:813473: Wrong result with outer join + NOT IN subquery
# This bug is a duplicate of Bug#11764086 whose test case is added below
#
CREATE TABLE t1 (c int) ;
INSERT INTO t1 VALUES (5),(6);
CREATE TABLE t2 (a int, b int) ;
INSERT INTO t2 VALUES (20,9),(20,9);
create table t3 (d int, e int);
insert into t3 values (2, 9), (3,10);
EXPLAIN
SELECT t2.b , t1.c
FROM t2 LEFT JOIN t1 ON t1.c < 3
WHERE (t2.b , t1.c) NOT IN (SELECT * from t3);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 2
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using where
SELECT t2.b , t1.c
FROM t2 LEFT JOIN t1 ON t1.c < 3
WHERE (t2.b, t1.c) NOT IN (SELECT * from t3);
b c
9 NULL
9 NULL
drop table t1, t2, t3;
End of 5.3 tests
set optimizer_switch=default;
End of 5.5 tests.
#
# Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
#
CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2(a1 int);
INSERT INTO t2 VALUES (3);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
1
1
1
SET SESSION sql_mode=@old_sql_mode;
DROP TABLE t1, t2;
#
# Bug#11764086: Null left operand to NOT IN in WHERE clause
# behaves differently than real NULL
#
CREATE TABLE parent (id int);
INSERT INTO parent VALUES (1), (2);
CREATE TABLE child (parent_id int, other int);
INSERT INTO child VALUES (1,NULL);
# Offending query (c.parent_id is NULL for null-complemented rows only)
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id NOT IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
);
id parent_id
1 1
2 NULL
# Some syntactic variations with IS FALSE and IS NOT TRUE
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
) IS NOT TRUE;
id parent_id
1 1
2 NULL
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
) IS FALSE;
id parent_id
1 1
2 NULL
DROP TABLE parent, child;
# End of test for bug#11764086.
#
# BUG#50257: Missing info in REF column of the EXPLAIN
# lines for subselects
#
CREATE TABLE t1 (a INT, b INT, INDEX (a));
INSERT INTO t1 VALUES (3, 10), (2, 20), (7, 10), (5, 20);
EXPLAIN SELECT * FROM (SELECT * FROM t1 WHERE a=7) t;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2
2 DERIVED t1 ref a a 5 const 1
EXPLAIN SELECT * FROM t1 WHERE EXISTS (SELECT * FROM t1 WHERE a=7);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 4
2 SUBQUERY t1 ref a a 5 const 1 Using index
DROP TABLE t1;
#
# Bug 11765699 - 58690: !TABLE || (!TABLE->READ_SET ||
# BITMAP_IS_SET(TABLE->READ_SET, FIELD_INDEX
#
CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES (0), (1);
CREATE TABLE t2(
b TEXT,
c INT,
PRIMARY KEY (b(1))
);
INSERT INTO t2 VALUES ('a', 2), ('b', 3);
SELECT 1 FROM t1 WHERE a =
(SELECT 1 FROM t2 WHERE b =
(SELECT 1 FROM t1 t11 WHERE c = 1 OR t1.a = 1 AND 1 = 2)
ORDER BY b
);
1
SELECT 1 FROM t1 WHERE a =
(SELECT 1 FROM t2 WHERE b =
(SELECT 1 FROM t1 t11 WHERE c = 1 OR t1.a = 1 AND 1 = 2)
GROUP BY b
);
1
DROP TABLE t1, t2;
#
# BUG#12616253 - WRONG RESULT WITH EXISTS(SUBQUERY) (MISSING ROWS)
#
CREATE TABLE t1 (f1 varchar(1));
INSERT INTO t1 VALUES ('v'),('s');
CREATE TABLE t2 (f1_key varchar(1), KEY (f1_key));
INSERT INTO t2 VALUES ('j'),('v'),('c'),('m'),('d'),
('d'),('y'),('t'),('d'),('s');
SELECT table1.f1, table2.f1_key
FROM t1 AS table1, t2 AS table2
WHERE EXISTS
(
SELECT DISTINCT f1_key
FROM t2
WHERE f1_key != table2.f1_key AND f1_key >= table1.f1 );
f1 f1_key
v j
s j
v v
s v
v c
s c
v m
s m
v d
s d
v d
s d
v y
s y
v t
s t
v d
s d
v s
s s
explain SELECT table1.f1, table2.f1_key
FROM t1 AS table1, t2 AS table2
WHERE EXISTS
(
SELECT DISTINCT f1_key
FROM t2
WHERE f1_key != table2.f1_key AND f1_key >= table1.f1 );
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY table1 ALL NULL NULL NULL NULL 2
1 PRIMARY table2 index NULL f1_key 4 NULL 10 Using where; Using index; Using join buffer (flat, BNL join)
2 DEPENDENT SUBQUERY t2 range f1_key f1_key 4 NULL 6 Range checked for each record (index map: 0x1); Using temporary
DROP TABLE t1,t2;
#
# LP bug #826279: assertion failure with GROUP BY a result of subquery
#
CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (0), (0);
CREATE TABLE t2 (a int, b int, c int);
INSERT INTO t2 VALUES (10,7,0), (0,7,0);
CREATE TABLE t3 (a int, b int);
INSERT INTO t3 VALUES (10,7), (0,7);
SELECT SUM(DISTINCT b),
(SELECT t2.a FROM t1 JOIN t2 ON t2.c != 0
WHERE t.a != 0 AND t2.a != 0)
FROM (SELECT * FROM t3) AS t
GROUP BY 2;
SUM(DISTINCT b) (SELECT t2.a FROM t1 JOIN t2 ON t2.c != 0
WHERE t.a != 0 AND t2.a != 0)
7 NULL
SELECT SUM(DISTINCT b),
(SELECT t2.a FROM t1,t2 WHERE t.a != 0 or 1=2 LIMIT 1)
FROM (SELECT * FROM t3) AS t
GROUP BY 2;
SUM(DISTINCT b) (SELECT t2.a FROM t1,t2 WHERE t.a != 0 or 1=2 LIMIT 1)
7 NULL
7 10
DROP TABLE t1,t2,t3;
#
# Bug#12329653
# EXPLAIN, UNION, PREPARED STATEMENT, CRASH, SQL_FULL_GROUP_BY
#
CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
1
1
1
PREPARE stmt FROM
'SELECT 1 UNION ALL
SELECT 1 FROM t1
ORDER BY
(SELECT 1 FROM t1 AS t1_0
WHERE 1 < SOME (SELECT a1 FROM t1)
)' ;
EXECUTE stmt ;
ERROR 21000: Subquery returns more than 1 row
EXECUTE stmt ;
ERROR 21000: Subquery returns more than 1 row
SET SESSION sql_mode=@old_sql_mode;
DEALLOCATE PREPARE stmt;
DROP TABLE t1;
set optimizer_switch=@subselect_tmp;
set @optimizer_switch_for_subselect_test=null;

5673
mysql-test/r/subselect_no_scache.result Normal file
View File

File diff suppressed because it is too large Load Diff

604
mysql-test/r/subselect_no_semijoin.result
View File

@ -1,8 +1,10 @@
set optimizer_switch='semijoin=off';
set @optimizer_switch_for_subselect_test='semijoin=off,mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t11,t12;
drop view if exists v2;
set @save_optimizer_switch=@@optimizer_switch;
set @@optimizer_switch="partial_match_rowid_merge=off,partial_match_table_scan=off";
set @subselect_tmp=@@optimizer_switch;
set @@optimizer_switch=ifnull(@optimizer_switch_for_subselect_test,
"semijoin=on,firstmatch=on,loosescan=on,partial_match_rowid_merge=off,partial_match_table_scan=off");
set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
select (select 2);
(select 2)
2
@ -203,10 +205,11 @@ select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
explain extended select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
(select * from t2 where a>1) as tt;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
1 PRIMARY <derived3> ALL NULL NULL NULL NULL 2 100.00
3 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using where
2 SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using filesort
Warnings:
Note 1003 select (select `test`.`t3`.`a` from `test`.`t3` where (`test`.`t3`.`a` < 8) order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,`test`.`t2`.`a` AS `a` from `test`.`t2` where (`test`.`t2`.`a` > 1)
Note 1003 select (select `test`.`t3`.`a` from `test`.`t3` where (`test`.`t3`.`a` < 8) order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,`tt`.`a` AS `a` from (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where (`test`.`t2`.`a` > 1)) `tt`
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1);
a
2
@ -227,7 +230,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings:
Note 1276 Field or reference 'test.t4.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t4`.`b` AS `b`,(select avg((`test`.`t2`.`a` + (select min(`test`.`t3`.`a`) from `test`.`t3` where (`test`.`t3`.`a` >= `test`.`t4`.`a`)))) from `test`.`t2`) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4`
Note 1003 select `test`.`t4`.`b` AS `b`,<expr_cache><`test`.`t4`.`a`>((select avg((`test`.`t2`.`a` + (select min(`test`.`t3`.`a`) from `test`.`t3` where (`test`.`t3`.`a` >= `test`.`t4`.`a`)))) from `test`.`t2`)) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4`
select * from t3 where exists (select * from t2 where t2.b=t3.a);
a
7
@ -273,7 +276,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` >= (select min(`test`.`t2`.`b`) from `test`.`t2`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,((select min(`test`.`t2`.`b`) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))))
select * from t3 where a >= all (select b from t2);
a
7
@ -365,12 +368,12 @@ INSERT INTO t8 (pseudo,email) VALUES ('joce1','test1');
INSERT INTO t8 (pseudo,email) VALUES ('2joce1','2test1');
EXPLAIN EXTENDED SELECT pseudo,(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce')) FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index
1 PRIMARY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using where; Using index
4 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index
2 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00
2 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using where
3 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index
Warnings:
Note 1003 select 'joce' AS `pseudo`,(select 'test' from `test`.`t8` where ('joce' = (select 'joce' from `test`.`t8` where 1))) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where ('joce' = (select 'joce' from `test`.`t8` where 1))
Note 1003 select `test`.`t8`.`pseudo` AS `pseudo`,(select `test`.`t8`.`email` from `test`.`t8` where (`test`.`t8`.`pseudo` = (select 'joce' from `test`.`t8` where 1))) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where (`test`.`t8`.`pseudo` = (select 'joce' from `test`.`t8` where 1))
SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM
t8 WHERE pseudo='joce');
ERROR 21000: Operand should contain 1 column(s)
@ -541,18 +544,24 @@ SELECT numreponse, (SELECT numeropost FROM t1 HAVING numreponse=1) FROM (SELECT
numreponse (SELECT numeropost FROM t1 HAVING numreponse=1)
INSERT INTO t1 (numeropost,numreponse,pseudo) VALUES (1,1,'joce'),(1,2,'joce'),(1,3,'test');
EXPLAIN EXTENDED SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM t1 WHERE numeropost='1');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using where; Using index
2 SUBQUERY t1 ref PRIMARY PRIMARY 3 const 2 100.00 Using index
Warnings:
Note 1003 select `test`.`t1`.`numreponse` AS `numreponse` from `test`.`t1` where ((`test`.`t1`.`numeropost` = '1') and (`test`.`t1`.`numreponse` = (select 1 from `test`.`t1` where (`test`.`t1`.`numeropost` = '1'))))
SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM t1 WHERE numeropost='1');
ERROR 21000: Subquery returns more than 1 row
EXPLAIN EXTENDED SELECT MAX(numreponse) FROM t1 WHERE numeropost='1';
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings:
Note 1003 select max(`test`.`t1`.`numreponse`) AS `MAX(numreponse)` from `test`.`t1` where multiple equal(1, `test`.`t1`.`numeropost`)
Note 1003 select max(`test`.`t1`.`numreponse`) AS `MAX(numreponse)` from `test`.`t1` where (`test`.`t1`.`numeropost` = '1')
EXPLAIN EXTENDED SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT MAX(numreponse) FROM t1 WHERE numeropost='1');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using index
1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using where; Using index
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings:
Note 1003 select 3 AS `numreponse` from `test`.`t1` where ((3 = 3))
Note 1003 select `test`.`t1`.`numreponse` AS `numreponse` from `test`.`t1` where ((`test`.`t1`.`numeropost` = '1') and (`test`.`t1`.`numreponse` = (select max(`test`.`t1`.`numreponse`) from `test`.`t1` where (`test`.`t1`.`numeropost` = '1'))))
drop table t1;
CREATE TABLE t1 (a int(1));
INSERT INTO t1 VALUES (1);
@ -914,6 +923,131 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select `test`.`t2`.`a` from `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t2`.`a`) and ((<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`) or isnull(`test`.`t2`.`a`))) having <is_not_null_test>(`test`.`t2`.`a`)))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`
drop table t1,t2,t3;
# check correct NULL Processing for normal IN/ALL/ANY
# and 2 ways of max/min optimization
create table t1 (a int);
insert into t1 values (1), (100), (NULL), (1000);
create table t2 (a int not null);
# subselect returns empty set (for NULL and non-NULL left part)
select a, a in (select * from t2) from t1;
a a in (select * from t2)
1 0
100 0
NULL 0
1000 0
select a, a > any (select * from t2) from t1;
a a > any (select * from t2)
1 0
100 0
NULL 0
1000 0
select a, a > all (select * from t2) from t1;
a a > all (select * from t2)
1 1
100 1
NULL 1
1000 1
select a from t1 where a in (select * from t2);
a
select a from t1 where a > any (select * from t2);
a
select a from t1 where a > all (select * from t2);
a
1
100
NULL
1000
select a from t1 where a in (select * from t2 group by a);
a
select a from t1 where a > any (select * from t2 group by a);
a
select a from t1 where a > all (select * from t2 group by a);
a
1
100
NULL
1000
insert into t2 values (1),(200);
# sebselect returns non-empty set without NULLs
select a, a in (select * from t2) from t1;
a a in (select * from t2)
1 1
100 0
NULL NULL
1000 0
select a, a > any (select * from t2) from t1;
a a > any (select * from t2)
1 0
100 1
NULL NULL
1000 1
select a, a > all (select * from t2) from t1;
a a > all (select * from t2)
1 0
100 0
NULL NULL
1000 1
select a from t1 where a in (select * from t2);
a
1
select a from t1 where a > any (select * from t2);
a
100
1000
select a from t1 where a > all (select * from t2);
a
1000
select a from t1 where a in (select * from t2 group by a);
a
1
select a from t1 where a > any (select * from t2 group by a);
a
100
1000
select a from t1 where a > all (select * from t2 group by a);
a
1000
drop table t2;
create table t2 (a int);
insert into t2 values (1),(NULL),(200);
# sebselect returns non-empty set with NULLs
select a, a in (select * from t2) from t1;
a a in (select * from t2)
1 1
100 NULL
NULL NULL
1000 NULL
select a, a > any (select * from t2) from t1;
a a > any (select * from t2)
1 NULL
100 1
NULL NULL
1000 1
select a, a > all (select * from t2) from t1;
a a > all (select * from t2)
1 0
100 0
NULL NULL
1000 NULL
select a from t1 where a in (select * from t2);
a
1
select a from t1 where a > any (select * from t2);
a
100
1000
select a from t1 where a > all (select * from t2);
a
select a from t1 where a in (select * from t2 group by a);
a
1
select a from t1 where a > any (select * from t2 group by a);
a
100
1000
select a from t1 where a > all (select * from t2 group by a);
a
drop table t1, t2;
create table t1 (a float);
select 10.5 IN (SELECT * from t1 LIMIT 1);
ERROR 42000: This version of MySQL doesn't yet support 'LIMIT & IN/ALL/ANY/SOME subquery'
@ -1237,7 +1371,7 @@ create table t1 (id int not null auto_increment primary key, salary int, key(sal
insert into t1 (salary) values (100),(1000),(10000),(10),(500),(5000),(50000);
explain extended SELECT id FROM t1 where salary = (SELECT MAX(salary) FROM t1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ref salary salary 5 const 1 100.00 Using index condition
1 PRIMARY t1 ref salary salary 5 const 0 0.00 Using index condition
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings:
Note 1003 select `test`.`t1`.`id` AS `id` from `test`.`t1` where (`test`.`t1`.`salary` = (select max(`test`.`t1`.`salary`) from `test`.`t1`))
@ -1417,7 +1551,7 @@ INSERT INTO t1 VALUES ('z','?');
select * from t1 where s1 > (select max(s2) from t1);
ERROR HY000: Illegal mix of collations (latin1_german1_ci,IMPLICIT) and (latin1_swedish_ci,IMPLICIT) for operation '>'
select * from t1 where s1 > any (select max(s2) from t1);
ERROR HY000: Illegal mix of collations (latin1_german1_ci,IMPLICIT) and (latin1_swedish_ci,IMPLICIT) for operation '>'
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (latin1_german1_ci,IMPLICIT) for operation '<'
drop table t1;
create table t1(toid int,rd int);
create table t2(userid int,pmnew int,pmtotal int);
@ -1493,7 +1627,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,(not(<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL where (`test`.`t2`.`s1` < 'a2') having trigcond(<is_not_null_test>(`test`.`t2`.`s1`)))))))) AS `s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')` from `test`.`t1`
drop table t1,t2;
create table t2 (a int, b int);
create table t2 (a int, b int not null);
create table t3 (a int);
insert into t3 values (6),(7),(3);
select * from t3 where a >= all (select b from t2);
@ -1506,7 +1640,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` < (select max(NULL) from `test`.`t2`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,((select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`))))
select * from t3 where a >= some (select b from t2);
a
explain extended select * from t3 where a >= some (select b from t2);
@ -1514,7 +1648,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` >= (select min(NULL) from `test`.`t2`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,((select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))))
select * from t3 where a >= all (select b from t2 group by 1);
a
6
@ -1525,7 +1659,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` < <max>(select NULL from `test`.`t2` group by 1))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(<max>(select NULL from `test`.`t2` group by 1) > <cache>(`test`.`t3`.`a`))))
select * from t3 where a >= some (select b from t2 group by 1);
a
explain extended select * from t3 where a >= some (select b from t2 group by 1);
@ -1533,7 +1667,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` >= <min>(select NULL from `test`.`t2` group by 1))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(<min>(select NULL from `test`.`t2` group by 1) <= <cache>(`test`.`t3`.`a`))))
select * from t3 where NULL >= any (select b from t2);
a
explain extended select * from t3 where NULL >= any (select b from t2);
@ -1541,7 +1675,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(NULL >= (select min(NULL) from `test`.`t2`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,((select min(NULL) from `test`.`t2`) <= NULL)))
select * from t3 where NULL >= any (select b from t2 group by 1);
a
explain extended select * from t3 where NULL >= any (select b from t2 group by 1);
@ -1549,7 +1683,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(NULL >= <min>(select NULL from `test`.`t2` group by 1))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(<min>(select NULL from `test`.`t2` group by 1) <= NULL)))
select * from t3 where NULL >= some (select b from t2);
a
explain extended select * from t3 where NULL >= some (select b from t2);
@ -1557,7 +1691,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(NULL >= (select min(NULL) from `test`.`t2`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,((select min(NULL) from `test`.`t2`) <= NULL)))
select * from t3 where NULL >= some (select b from t2 group by 1);
a
explain extended select * from t3 where NULL >= some (select b from t2 group by 1);
@ -1565,7 +1699,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(NULL >= <min>(select NULL from `test`.`t2` group by 1))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(<min>(select NULL from `test`.`t2` group by 1) <= NULL)))
insert into t2 values (2,2), (2,1), (3,3), (3,1);
select * from t3 where a > all (select max(b) from t2 group by a);
a
@ -1576,7 +1710,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 4 100.00 Using temporary
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` <= <max>(select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(<max>(select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`) >= <cache>(`test`.`t3`.`a`))))
drop table t2, t3;
CREATE TABLE `t1` ( `id` mediumint(9) NOT NULL auto_increment, `taskid` bigint(20) NOT NULL default '0', `dbid` int(11) NOT NULL default '0', `create_date` datetime NOT NULL default '0000-00-00 00:00:00', `last_update` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY (`id`)) ENGINE=MyISAM CHARSET=latin1 AUTO_INCREMENT=3 ;
INSERT INTO `t1` (`id`, `taskid`, `dbid`, `create_date`,`last_update`) VALUES (1, 1, 15, '2003-09-29 10:31:36', '2003-09-29 10:31:36'), (2, 1, 21, now(), now());
@ -1627,7 +1761,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 UNION t1 system NULL NULL NULL NULL 1 100.00
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings:
Note 1003 select 'e' AS `s1` from `test`.`t1` where <nop>(<in_optimizer>('f',('f' > <min>(select 'e' from `test`.`t1` union select 'e' from `test`.`t1`))))
Note 1003 select 'e' AS `s1` from `test`.`t1` where <nop>(<in_optimizer>('f',(<min>(select 'e' from `test`.`t1` union select 'e' from `test`.`t1`) < 'f')))
drop table t1;
CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874');
@ -2830,19 +2964,19 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`two`,`test`.`t1`.`one`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where ((`test`.`t2`.`flag` = '0') and trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`)))) having (trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`)))))) AS `test` from `test`.`t1`
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where ((`test`.`t2`.`flag` = '0') and trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`)))) having (trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`)))))) AS `test` from `test`.`t1`
explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` where <expr_cache><`test`.`t1`.`two`,`test`.`t1`.`one`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where ((`test`.`t2`.`flag` = 'N') and (<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) and (<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`)))))
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` where <expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where ((`test`.`t2`.`flag` = 'N') and (<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) and (<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`)))))
explain extended SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0' group by one,two) as 'test' from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where; Using temporary
Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`two`,`test`.`t1`.`one`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where (`test`.`t2`.`flag` = '0') group by `test`.`t2`.`one`,`test`.`t2`.`two` having (trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`))) and trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`)))))) AS `test` from `test`.`t1`
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where (`test`.`t2`.`flag` = '0') group by `test`.`t2`.`one`,`test`.`t2`.`two` having (trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`))) and trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`)))))) AS `test` from `test`.`t1`
DROP TABLE t1,t2;
CREATE TABLE t1 (a char(5), b char(5));
INSERT INTO t1 VALUES (NULL,'aaa'), ('aaa','aaa');
@ -2958,7 +3092,7 @@ ON r.a = (SELECT t2.a FROM t2 WHERE t2.c = t1.a AND t2.b <= '359899'
ORDER BY t2.c DESC, t2.b DESC LIMIT 1) WHERE t1.a = 10;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system PRIMARY NULL NULL NULL 1
1 PRIMARY r const PRIMARY PRIMARY 4 const 1
1 PRIMARY r eq_ref PRIMARY PRIMARY 4 const 1 Using where
2 DEPENDENT SUBQUERY t2 range b b 40 NULL 2 Using index condition
SELECT sql_no_cache t1.a, r.a, r.b FROM t1 LEFT JOIN t2 r
ON r.a = (SELECT t2.a FROM t2 WHERE t2.c = t1.a AND t2.b <= '359899'
@ -2970,7 +3104,7 @@ ON r.a = (SELECT t2.a FROM t2 WHERE t2.c = t1.a AND t2.b <= '359899'
ORDER BY t2.c, t2.b LIMIT 1) WHERE t1.a = 10;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system PRIMARY NULL NULL NULL 1
1 PRIMARY r const PRIMARY PRIMARY 4 const 1
1 PRIMARY r eq_ref PRIMARY PRIMARY 4 const 1 Using where
2 DEPENDENT SUBQUERY t2 range b b 40 NULL 2 Using index condition
SELECT sql_no_cache t1.a, r.a, r.b FROM t1 LEFT JOIN t2 r
ON r.a = (SELECT t2.a FROM t2 WHERE t2.c = t1.a AND t2.b <= '359899'
@ -4031,7 +4165,7 @@ CREATE TABLE t1 (a int, b int, KEY (a));
INSERT INTO t1 VALUES (1,1),(2,1);
EXPLAIN SELECT 1 FROM t1 WHERE a = (SELECT COUNT(*) FROM t1 GROUP BY b);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ref a a 5 const 1 Using where; Using index
1 PRIMARY t1 ref a a 5 const 0 Using where; Using index
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using temporary; Using filesort
DROP TABLE t1;
CREATE TABLE t1 (id int NOT NULL, st CHAR(2), INDEX idx(id));
@ -4804,7 +4938,6 @@ SELECT 1 FROM t1 GROUP BY
1
1
DROP TABLE t1;
set @@optimizer_switch=@save_optimizer_switch;
#
# Bug #49512 : subquery with aggregate function crash
# subselect_single_select_engine::exec()
@ -5106,6 +5239,167 @@ SELECT 1 as foo FROM t1 WHERE a < SOME
);
foo
DROP TABLE t1;
CREATE TABLE t1 (a int(11), b varchar(1));
INSERT INTO t1 VALUES (2,NULL),(5,'d'),(7,'g');
SELECT a FROM t1 WHERE b < ANY ( SELECT b FROM t1 GROUP BY b );
a
5
SELECT a FROM t1 WHERE b < ANY ( SELECT b FROM t1 );
a
5
SELECT a FROM t1 WHERE b > ANY ( SELECT b FROM t1 GROUP BY b );
a
7
SELECT a FROM t1 WHERE b > ANY ( SELECT b FROM t1 );
a
7
SELECT a FROM t1 WHERE b <= ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b <= ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b >= ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b >= ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b = ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b = ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b <> ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b <> ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b < ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b < ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b > ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b > ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b <= ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b <= ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b >= ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b >= ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b = ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b = ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b <> ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b <> ALL ( SELECT b FROM t1 GROUP BY b );
a
delete from t1;
INSERT INTO t1 VALUES (2,NULL),(5,'d'),(7,'g');
SELECT a FROM t1 WHERE b < ANY ( SELECT b FROM t1 GROUP BY b );
a
5
SELECT a FROM t1 WHERE b < ANY ( SELECT b FROM t1 );
a
5
SELECT a FROM t1 WHERE b > ANY ( SELECT b FROM t1 GROUP BY b );
a
7
SELECT a FROM t1 WHERE b > ANY ( SELECT b FROM t1 );
a
7
SELECT a FROM t1 WHERE b <= ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b <= ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b >= ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b >= ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b = ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b = ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b <> ANY ( SELECT b FROM t1 );
a
5
7
SELECT a FROM t1 WHERE b <> ANY ( SELECT b FROM t1 GROUP BY b );
a
5
7
SELECT a FROM t1 WHERE b < ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b < ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b > ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b > ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b <= ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b <= ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b >= ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b >= ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b = ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b = ALL ( SELECT b FROM t1 GROUP BY b );
a
SELECT a FROM t1 WHERE b <> ALL ( SELECT b FROM t1 );
a
SELECT a FROM t1 WHERE b <> ALL ( SELECT b FROM t1 GROUP BY b );
a
drop table t1;
#
# Fix of LP BUG#780386 (NULL left part with empty ALL subquery).
#
CREATE TABLE t1 ( f11 int) ;
INSERT IGNORE INTO t1 VALUES (0),(0);
CREATE TABLE t2 ( f3 int, f10 int, KEY (f10,f3)) ;
INSERT IGNORE INTO t2 VALUES (NULL,NULL),(5,0);
DROP TABLE IF EXISTS t3;
Warnings:
Note 1051 Unknown table 't3'
CREATE TABLE t3 ( f3 int) ;
INSERT INTO t3 VALUES (0),(0);
SELECT a1.f3 AS r FROM t2 AS a1 , t1 WHERE a1.f3 < ALL ( SELECT f3 FROM t3 WHERE f3 = 1 ) ;
r
NULL
5
NULL
5
DROP TABLE t1, t2, t3;
End of 5.2 tests
#
# BUG#779885: Crash in eliminate_item_equal with materialization=on in
# maria-5.3
@ -5127,5 +5421,247 @@ ON t2.f10 = t3.f10
);
f1
DROP TABLE t1,t2,t3;
#
# BUG LP:813473: Wrong result with outer join + NOT IN subquery
# This bug is a duplicate of Bug#11764086 whose test case is added below
#
CREATE TABLE t1 (c int) ;
INSERT INTO t1 VALUES (5),(6);
CREATE TABLE t2 (a int, b int) ;
INSERT INTO t2 VALUES (20,9),(20,9);
create table t3 (d int, e int);
insert into t3 values (2, 9), (3,10);
EXPLAIN
SELECT t2.b , t1.c
FROM t2 LEFT JOIN t1 ON t1.c < 3
WHERE (t2.b , t1.c) NOT IN (SELECT * from t3);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 2
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using where
SELECT t2.b , t1.c
FROM t2 LEFT JOIN t1 ON t1.c < 3
WHERE (t2.b, t1.c) NOT IN (SELECT * from t3);
b c
9 NULL
9 NULL
drop table t1, t2, t3;
End of 5.3 tests
set optimizer_switch=default;
End of 5.5 tests.
#
# Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER
#
CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2(a1 int);
INSERT INTO t2 VALUES (3);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2);
1
1
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2);
1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2);
1
1
1
SET SESSION sql_mode=@old_sql_mode;
DROP TABLE t1, t2;
#
# Bug#11764086: Null left operand to NOT IN in WHERE clause
# behaves differently than real NULL
#
CREATE TABLE parent (id int);
INSERT INTO parent VALUES (1), (2);
CREATE TABLE child (parent_id int, other int);
INSERT INTO child VALUES (1,NULL);
# Offending query (c.parent_id is NULL for null-complemented rows only)
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id NOT IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
);
id parent_id
1 1
2 NULL
# Some syntactic variations with IS FALSE and IS NOT TRUE
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
) IS NOT TRUE;
id parent_id
1 1
2 NULL
SELECT p.id, c.parent_id
FROM parent p
LEFT JOIN child c
ON p.id = c.parent_id
WHERE c.parent_id IN (
SELECT parent_id
FROM child
WHERE parent_id = 3
) IS FALSE;
id parent_id
1 1
2 NULL
DROP TABLE parent, child;
# End of test for bug#11764086.
#
# BUG#50257: Missing info in REF column of the EXPLAIN
# lines for subselects
#
CREATE TABLE t1 (a INT, b INT, INDEX (a));
INSERT INTO t1 VALUES (3, 10), (2, 20), (7, 10), (5, 20);
EXPLAIN SELECT * FROM (SELECT * FROM t1 WHERE a=7) t;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2
2 DERIVED t1 ref a a 5 const 1
EXPLAIN SELECT * FROM t1 WHERE EXISTS (SELECT * FROM t1 WHERE a=7);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 4
2 SUBQUERY t1 ref a a 5 const 1 Using index
DROP TABLE t1;
#
# Bug 11765699 - 58690: !TABLE || (!TABLE->READ_SET ||
# BITMAP_IS_SET(TABLE->READ_SET, FIELD_INDEX
#
CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES (0), (1);
CREATE TABLE t2(
b TEXT,
c INT,
PRIMARY KEY (b(1))
);
INSERT INTO t2 VALUES ('a', 2), ('b', 3);
SELECT 1 FROM t1 WHERE a =
(SELECT 1 FROM t2 WHERE b =
(SELECT 1 FROM t1 t11 WHERE c = 1 OR t1.a = 1 AND 1 = 2)
ORDER BY b
);
1
SELECT 1 FROM t1 WHERE a =
(SELECT 1 FROM t2 WHERE b =
(SELECT 1 FROM t1 t11 WHERE c = 1 OR t1.a = 1 AND 1 = 2)
GROUP BY b
);
1
DROP TABLE t1, t2;
#
# BUG#12616253 - WRONG RESULT WITH EXISTS(SUBQUERY) (MISSING ROWS)
#
CREATE TABLE t1 (f1 varchar(1));
INSERT INTO t1 VALUES ('v'),('s');
CREATE TABLE t2 (f1_key varchar(1), KEY (f1_key));
INSERT INTO t2 VALUES ('j'),('v'),('c'),('m'),('d'),
('d'),('y'),('t'),('d'),('s');
SELECT table1.f1, table2.f1_key
FROM t1 AS table1, t2 AS table2
WHERE EXISTS
(
SELECT DISTINCT f1_key
FROM t2
WHERE f1_key != table2.f1_key AND f1_key >= table1.f1 );
f1 f1_key
v j
s j
v v
s v
v c
s c
v m
s m
v d
s d
v d
s d
v y
s y
v t
s t
v d
s d
v s
s s
explain SELECT table1.f1, table2.f1_key
FROM t1 AS table1, t2 AS table2
WHERE EXISTS
(
SELECT DISTINCT f1_key
FROM t2
WHERE f1_key != table2.f1_key AND f1_key >= table1.f1 );
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY table1 ALL NULL NULL NULL NULL 2
1 PRIMARY table2 index NULL f1_key 4 NULL 10 Using where; Using index; Using join buffer (flat, BNL join)
2 DEPENDENT SUBQUERY t2 range f1_key f1_key 4 NULL 6 Range checked for each record (index map: 0x1); Using temporary
DROP TABLE t1,t2;
#
# LP bug #826279: assertion failure with GROUP BY a result of subquery
#
CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (0), (0);
CREATE TABLE t2 (a int, b int, c int);
INSERT INTO t2 VALUES (10,7,0), (0,7,0);
CREATE TABLE t3 (a int, b int);
INSERT INTO t3 VALUES (10,7), (0,7);
SELECT SUM(DISTINCT b),
(SELECT t2.a FROM t1 JOIN t2 ON t2.c != 0
WHERE t.a != 0 AND t2.a != 0)
FROM (SELECT * FROM t3) AS t
GROUP BY 2;
SUM(DISTINCT b) (SELECT t2.a FROM t1 JOIN t2 ON t2.c != 0
WHERE t.a != 0 AND t2.a != 0)
7 NULL
SELECT SUM(DISTINCT b),
(SELECT t2.a FROM t1,t2 WHERE t.a != 0 or 1=2 LIMIT 1)
FROM (SELECT * FROM t3) AS t
GROUP BY 2;
SUM(DISTINCT b) (SELECT t2.a FROM t1,t2 WHERE t.a != 0 or 1=2 LIMIT 1)
7 NULL
7 10
DROP TABLE t1,t2,t3;
#
# Bug#12329653
# EXPLAIN, UNION, PREPARED STATEMENT, CRASH, SQL_FULL_GROUP_BY
#
CREATE TABLE t1(a1 int);
INSERT INTO t1 VALUES (1),(2);
SELECT @@session.sql_mode INTO @old_sql_mode;
SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
1
1
1
PREPARE stmt FROM
'SELECT 1 UNION ALL
SELECT 1 FROM t1
ORDER BY
(SELECT 1 FROM t1 AS t1_0
WHERE 1 < SOME (SELECT a1 FROM t1)
)' ;
EXECUTE stmt ;
ERROR 21000: Subquery returns more than 1 row
EXECUTE stmt ;
ERROR 21000: Subquery returns more than 1 row
SET SESSION sql_mode=@old_sql_mode;
DEALLOCATE PREPARE stmt;
DROP TABLE t1;
set optimizer_switch=@subselect_tmp;
set @optimizer_switch_for_subselect_test=null;

3
mysql-test/r/subselect_nulls.result
View File

@ -1,5 +1,7 @@
drop table if exists x1;
drop table if exists x2;
set @tmp_subselect_nulls=@@optimizer_switch;
set optimizer_switch='semijoin=off';
create table x1(k int primary key, d1 int, d2 int);
create table x2(k int primary key, d1 int, d2 int);
insert into x1 values
@ -110,5 +112,6 @@ where x1.d1=x2.d1 and x1.d2=x2.d2);
k d1 d2
10 10 10
20 20 20
set optimizer_switch= @tmp_subselect_nulls;
drop table x1;
drop table x2;

333
mysql-test/r/subselect_partial_match.result
View File

@ -1,8 +1,210 @@
set @save_optimizer_switch=@@optimizer_switch;
-------------------------------
Part 1: Feature tests.
-------------------------------
Default for all tests.
set @@optimizer_switch="materialization=on,in_to_exists=off,semijoin=off,subquery_cache=off";
Schema requires partial matching, but data analysis discoveres there is
no need. This is possible only if all outer columns are not NULL.
create table t1 (a1 char(8) not null, a2 char(8) not null);
create table t2 (b1 char(8), b2 char(8));
insert into t1 values ('1 - 00', '2 - 00');
insert into t1 values ('1 - 01', '2 - 01');
insert into t2 values ('1 - 00', '2 - 00');
insert into t2 values ('1 - 01', NULL );
insert into t2 values (NULL , '2 - 02');
insert into t2 values (NULL , NULL );
insert into t2 values ('1 - 02', '2 - 02');
select * from t1
where (a1, a2) not in (select * from t2 where b1 is not null and b2 is not null);
a1 a2
1 - 01 2 - 01
select a1, a2, (a1, a2) not in (select * from t2) as in_res from t1;
a1 a2 in_res
1 - 00 2 - 00 0
1 - 01 2 - 01 NULL
drop table t1, t2;
NULLs in the outer columns, no NULLs in the suqbuery
create table t1 (a1 char(8), a2 char(8));
create table t2 (b1 char(8) not null, b2 char(8) not null);
insert into t1 values (NULL , '2 - 00');
insert into t1 values ('1 - 01', '2 - 01');
insert into t1 values (NULL , NULL );
insert into t2 values ('1 - 00', '2 - 00');
insert into t2 values ('1 - 01', '2 - 01');
insert into t2 values ('1 - 02', '2 - 00');
select * from t1
where (a1, a2) not in (select * from t2 where b1 is not null and b2 is not null);
a1 a2
select a1, a2, (a1, a2) not in (select * from t2) as in_res from t1;
a1 a2 in_res
NULL 2 - 00 NULL
1 - 01 2 - 01 0
NULL NULL NULL
select * from t1
where (a1, a2) in (select * from t2 where b1 is not null and b2 is not null);
a1 a2
1 - 01 2 - 01
select a1, a2, (a1, a2) in (select * from t2) as in_res from t1;
a1 a2 in_res
NULL 2 - 00 NULL
1 - 01 2 - 01 1
NULL NULL NULL
drop table t1, t2;
All columns require partial matching (no non-null columns)
TODO
Both non-NULL columns and columns with NULLs
TODO
Covering NULL rows
create table t1 (a1 char(8), a2 char(8));
create table t2 (b1 char(8), b2 char(8));
insert into t1 values ('1 - 00', '2 - 00');
insert into t1 values ('1 - 01', '2 - 01');
insert into t2 values ('1 - 01', NULL );
insert into t2 values (NULL , '2 - 02');
insert into t2 values (NULL , NULL );
insert into t2 values ('1 - 02', '2 - 02');
select * from t1
where (a1, a2) not in (select * from t2);
a1 a2
select a1, a2, (a1, a2) not in (select * from t2) as in_res from t1;
a1 a2 in_res
1 - 00 2 - 00 NULL
1 - 01 2 - 01 NULL
insert into t2 values ('1 - 01', '2 - 01');
select * from t1
where (a1, a2) not in (select * from t2);
a1 a2
select a1, a2, (a1, a2) not in (select * from t2) as in_res from t1;
a1 a2 in_res
1 - 00 2 - 00 NULL
1 - 01 2 - 01 0
select * from t1
where (a1, a2) in (select * from t2);
a1 a2
1 - 01 2 - 01
select a1, a2, (a1, a2) in (select * from t2) as in_res from t1;
a1 a2 in_res
1 - 00 2 - 00 NULL
1 - 01 2 - 01 1
drop table t1, t2;
Covering NULL columns
this case affects only the rowid-merge algorithm
set @@optimizer_switch="partial_match_rowid_merge=on,partial_match_table_scan=off";
create table t1 (a1 char(8) not null, a2 char(8), a3 char(8) not null);
create table t2 (b1 char(8) not null, b2 char(8), b3 char(8) not null);
insert into t1 values ('1 - 00', '2 - 00', '3 - 00');
insert into t1 values ('1 - 01', '2 - 01', '3 - 01');
insert into t2 values ('1 - 01', NULL, '3 - x1');
insert into t2 values ('1 - 02', NULL, '3 - 02');
insert into t2 values ('1 - 00', NULL, '3 - 00');
select * from t1
where (a1, a2, a3) not in (select * from t2);
a1 a2 a3
1 - 01 2 - 01 3 - 01
select *, (a1, a2, a3) not in (select * from t2) as in_res from t1;
a1 a2 a3 in_res
1 - 00 2 - 00 3 - 00 NULL
1 - 01 2 - 01 3 - 01 1
select * from t1
where (a1, a2, a3) in (select * from t2);
a1 a2 a3
select *, (a1, a2, a3) in (select * from t2) as in_res from t1;
a1 a2 a3 in_res
1 - 00 2 - 00 3 - 00 NULL
1 - 01 2 - 01 3 - 01 0
drop table t1, t2;
create table t1 (a1 char(8), a2 char(8), a3 char(8) not null);
create table t2 (b1 char(8), b2 char(8), b3 char(8) not null);
insert into t1 values ('1 - 00', '2 - 00', '3 - 00');
insert into t1 values ('1 - 01', '2 - 01', '3 - 01');
insert into t2 values (NULL, NULL, '3 - x1');
insert into t2 values (NULL, NULL, '3 - 02');
insert into t2 values (NULL, NULL, '3 - 00');
select * from t1
where (a1, a2, a3) not in (select * from t2);
a1 a2 a3
1 - 01 2 - 01 3 - 01
select *, (a1, a2, a3) not in (select * from t2) as in_res from t1;
a1 a2 a3 in_res
1 - 00 2 - 00 3 - 00 NULL
1 - 01 2 - 01 3 - 01 1
select * from t1
where (a1, a2, a3) in (select * from t2);
a1 a2 a3
select *, (a1, a2, a3) in (select * from t2) as in_res from t1;
a1 a2 a3 in_res
1 - 00 2 - 00 3 - 00 NULL
1 - 01 2 - 01 3 - 01 0
drop table t1, t2;
Covering NULL row, and a NULL column
create table t1 (a1 char(8) not null, a2 char(8), a3 char(8));
create table t2 (b1 char(8), b2 char(8), b3 char(8));
insert into t1 values ('1 - 00', '2 - 00', '3 - 00');
insert into t1 values ('1 - 01', '2 - 01', '3 - 01');
insert into t2 values ('1 - 01', NULL, '3 - x1');
insert into t2 values (NULL , NULL, NULL );
insert into t2 values ('1 - 00', NULL, '3 - 00');
select * from t1
where (a1, a2, a3) not in (select * from t2);
a1 a2 a3
select *, (a1, a2, a3) not in (select * from t2) as in_res from t1;
a1 a2 a3 in_res
1 - 00 2 - 00 3 - 00 NULL
1 - 01 2 - 01 3 - 01 NULL
select * from t1
where (a1, a2, a3) in (select * from t2);
a1 a2 a3
select *, (a1, a2, a3) in (select * from t2) as in_res from t1;
a1 a2 a3 in_res
1 - 00 2 - 00 3 - 00 NULL
1 - 01 2 - 01 3 - 01 NULL
drop table t1, t2;
Covering NULL row, and covering NULL columns
create table t1 (a1 char(8) not null, a2 char(8), a3 char(8));
create table t2 (b1 char(8), b2 char(8), b3 char(8));
insert into t1 values ('1 - 00', '2 - 00', '3 - 00');
insert into t1 values ('1 - 01', '2 - 01', '3 - 01');
insert into t2 values (NULL, NULL, NULL);
insert into t2 values (NULL, NULL, NULL);
select * from t1
where (a1, a2, a3) not in (select * from t2);
a1 a2 a3
select *, (a1, a2, a3) not in (select * from t2) as in_res from t1;
a1 a2 a3 in_res
1 - 00 2 - 00 3 - 00 NULL
1 - 01 2 - 01 3 - 01 NULL
select * from t1
where (a1, a2, a3) in (select * from t2);
a1 a2 a3
select *, (a1, a2, a3) in (select * from t2) as in_res from t1;
a1 a2 a3 in_res
1 - 00 2 - 00 3 - 00 NULL
1 - 01 2 - 01 3 - 01 NULL
drop table t1, t2;
-------------------------------
Part 2: Test cases for bugs.
-------------------------------
drop table if exists t1, t2;
#
# LP BUG#608744
#
set @save_optimizer_switch=@@optimizer_switch;
set @@optimizer_switch="materialization=on,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=off";
create table t1 (a1 char(1), a2 char(1));
insert into t1 values (NULL, 'b');
@ -11,7 +213,6 @@ insert into t2 values ('a','b'), ('c', 'd');
select * from t1 where (a1, a2) NOT IN (select b1, b2 from t2);
a1 a2
drop table t1,t2;
set @@optimizer_switch=@save_optimizer_switch;
#
# LP BUG#601156
#
@ -21,21 +222,19 @@ INSERT INTO t1 VALUES (4,NULL);
CREATE TABLE t2 (b1 int DEFAULT NULL, b2 int DEFAULT NULL);
INSERT INTO t2 VALUES (6,NULL);
INSERT INTO t2 VALUES (NULL,0);
set @save_optimizer_switch=@@optimizer_switch;
set @@optimizer_switch='materialization=on,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=on';
EXPLAIN EXTENDED
SELECT * FROM (SELECT * FROM t1 WHERE a1 NOT IN (SELECT b2 FROM t2)) table1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using where
3 SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00
Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (not(<in_optimizer>(`test`.`t1`.`a1`,`test`.`t1`.`a1` in ( <materialize> (select `test`.`t2`.`b2` from `test`.`t2` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery3>`.`b2`)))))))
Note 1003 select `table1`.`a1` AS `a1`,`table1`.`a2` AS `a2` from (select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (not(<in_optimizer>(`test`.`t1`.`a1`,`test`.`t1`.`a1` in ( <materialize> (select `test`.`t2`.`b2` from `test`.`t2` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `<subquery3>`.`b2`)))))))) `table1`
DROP TABLE t1, t2;
set @@optimizer_switch=@save_optimizer_switch;
#
# LP BUG#613009 Crash in Ordered_key::get_field_idx
#
set @save_optimizer_switch=@@optimizer_switch;
set @@optimizer_switch='materialization=on,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=off';
create table t1 (a1 char(3) DEFAULT NULL, a2 char(3) DEFAULT NULL);
insert into t1 values (NULL, 'a21'), (NULL, 'a22');
@ -46,7 +245,6 @@ id select_type table type possible_keys key key_len ref rows Extra
select * from t1 where (a1, a2) not in (select a1, a2 from t1);
a1 a2
drop table t1;
set @@optimizer_switch=@save_optimizer_switch;
#
# LP BUG#680058 void Ordered_key::add_key(rownum_t):
# Assertion `key_buff_elements && cur_key_idx < key_buff_elements' failed
@ -55,10 +253,123 @@ create table t1 (f1 char(1), f2 char(1));
insert into t1 values ('t', '0'), ('0', 't');
create table t2 (f3 char(1), f4 char(1));
insert into t2 values ('t', NULL), ('t', NULL), ('d', 'y');
set @save_optimizer_switch=@@optimizer_switch;
SET @@optimizer_switch='materialization=on,partial_match_rowid_merge=on,partial_match_table_scan=off,semijoin=off';
set @@optimizer_switch='materialization=on,partial_match_rowid_merge=on,partial_match_table_scan=off,semijoin=off';
select * from t1 where (f1, f2) not in (select * from t2);
f1 f2
0 t
set @@optimizer_switch=@save_optimizer_switch;
drop table t1, t2;
#
# LP BUG#809245 Second assertion `bit < (map)->n_bits' with partial_match_merge
#
CREATE TABLE t1 (d varchar(32)) ;
INSERT INTO t1 VALUES ('r');
CREATE TABLE t2 ( a int, c varchar(32)) ;
INSERT INTO t2 VALUES (5,'r');
CREATE TABLE t3 ( a int NOT NULL , d varchar(32)) ;
INSERT INTO t3 VALUES (10,'g');
set @@optimizer_switch='materialization=on,partial_match_rowid_merge=on,partial_match_table_scan=off,in_to_exists=off';
EXPLAIN SELECT *
FROM t1
WHERE (t1.d , t1.d) NOT IN (
SELECT t3.d , t2.c
FROM t3 LEFT JOIN t2 ON t3.a = t2.a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
2 SUBQUERY t3 system NULL NULL NULL NULL 1
2 SUBQUERY t2 system NULL NULL NULL NULL 1
SELECT *
FROM t1
WHERE (t1.d , t1.d) NOT IN (
SELECT t3.d , t2.c
FROM t3 LEFT JOIN t2 ON t3.a = t2.a);
d
r
set @@optimizer_switch='materialization=off,in_to_exists=on';
EXPLAIN SELECT *
FROM t1
WHERE (t1.d , t1.d) NOT IN (
SELECT t3.d , t2.c
FROM t3 LEFT JOIN t2 ON t3.a = t2.a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1
2 DEPENDENT SUBQUERY t3 system NULL NULL NULL NULL 1
2 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 1
SELECT *
FROM t1
WHERE (t1.d , t1.d) NOT IN (
SELECT t3.d , t2.c
FROM t3 LEFT JOIN t2 ON t3.a = t2.a);
d
r
drop table t1, t2, t3;
#
# LP BUG#809266 Diverging results with partial_match_rowid_merge=on
#
CREATE TABLE t1 (c int) ;
INSERT INTO t1 VALUES (0),(0);
CREATE TABLE t2 (a int, b int) ;
INSERT INTO t2 VALUES (6,3), (9,NULL);
set @@optimizer_switch='materialization=on,partial_match_rowid_merge=on,partial_match_table_scan=off,in_to_exists=off';
EXPLAIN
SELECT * FROM t1 WHERE (6, 4 ) NOT IN (SELECT b, a FROM t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
2 SUBQUERY t2 ALL NULL NULL NULL NULL 2
SELECT * FROM t1 WHERE (6, 4 ) NOT IN (SELECT b, a FROM t2);
c
0
0
EXPLAIN
SELECT * FROM t1 WHERE (6, 4 ) NOT IN (SELECT a, b FROM t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
2 SUBQUERY t2 ALL NULL NULL NULL NULL 2
SELECT * FROM t1 WHERE (6, 4 ) NOT IN (SELECT a, b FROM t2);
c
0
0
set @@optimizer_switch='materialization=off,in_to_exists=on';
EXPLAIN
SELECT * FROM t1 WHERE (6, 4 ) NOT IN (SELECT b, a FROM t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
SELECT * FROM t1 WHERE (6, 4 ) NOT IN (SELECT b, a FROM t2);
c
0
0
EXPLAIN
SELECT * FROM t1 WHERE (6, 4 ) NOT IN (SELECT a, b FROM t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
SELECT * FROM t1 WHERE (6, 4 ) NOT IN (SELECT a, b FROM t2);
c
0
0
drop table t1, t2;
#
# LP BUG#856152 Wrong result with NOT IN subquery and partial_match_rowid_merge
#
CREATE TABLE t1 ( f1 integer NOT NULL , f2 integer) ;
INSERT INTO t1 VALUES (3,3),(48,NULL),(49,1);
CREATE TABLE t2 ( f3 int) ;
INSERT INTO t2 VALUES (5);
set @@optimizer_switch='in_to_exists=off,materialization=on,partial_match_rowid_merge=on,partial_match_table_scan=off';
EXPLAIN SELECT * FROM t2 WHERE ( 3 , 1 ) NOT IN ( SELECT f1 , f2 FROM t1 );
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 system NULL NULL NULL NULL 1
2 SUBQUERY t1 ALL NULL NULL NULL NULL 3
SELECT * FROM t2 WHERE ( 3 , 1 ) NOT IN ( SELECT f1 , f2 FROM t1 );
f3
5
set @@optimizer_switch='in_to_exists=on,materialization=off';
EXPLAIN SELECT * FROM t2 WHERE ( 3 , 1 ) NOT IN ( SELECT f1 , f2 FROM t1 );
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 system NULL NULL NULL NULL 1
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 3 Using where
SELECT * FROM t2 WHERE ( 3 , 1 ) NOT IN ( SELECT f1 , f2 FROM t1 );
f3
5
drop table t1, t2;
set @@optimizer_switch=@save_optimizer_switch;

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