mirror of
https://github.com/MariaDB/server.git
synced 2025-07-30 16:24:05 +03:00
5.3 merge
This commit is contained in:
Sergei Golubchik
@ -852,3 +852,25 @@ SET optimizer_switch=@save_optimizer_switch;
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DROP TABLE t1,t2;
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--echo # check "Handler_pushed" status varuiables
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CREATE TABLE t1 (
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c1 CHAR(1),
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c2 CHAR(1),
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KEY (c1)
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);
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INSERT INTO t1 VALUES ('3', '3'),('4','4'),('5','5');
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flush status;
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show status like "Handler_pushed%";
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SELECT * FROM t1 FORCE INDEX(c1) WHERE (c1='3' or c1='4') and c1 % 2 = 0 ;
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show status like "Handler_pushed%";
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SELECT * FROM t1 WHERE (c2='3' or c2='4') and c2 % 2 = 0 ;
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show status like "Handler_pushed%";
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DROP TABLE t1;
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@ -913,6 +913,13 @@ sub collect_one_test_case {
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$tinfo->{'long_test'}= 1;
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}
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if ( ! $tinfo->{'big_test'} and $::opt_big_test > 1 )
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{
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$tinfo->{'skip'}= 1;
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$tinfo->{'comment'}= "Small test";
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return $tinfo
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}
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if ( $tinfo->{'need_debug'} && ! $::debug_compiled_binaries )
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{
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$tinfo->{'skip'}= 1;
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@ -1148,7 +1148,7 @@ sub command_line_setup {
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'skip-test=s' => \&collect_option,
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'do-test=s' => \&collect_option,
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'start-from=s' => \&collect_option,
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'big-test' => \$opt_big_test,
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'big-test+' => \$opt_big_test,
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'combination=s' => \@opt_combinations,
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'skip-combinations' => \&collect_option,
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'experimental=s' => \@opt_experimentals,
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@ -1943,8 +1943,11 @@ sub collect_mysqld_features {
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# Put variables into hash
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if ( $line =~ /^([\S]+)[ \t]+(.*?)\r?$/ )
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{
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# print "$1=\"$2\"\n";
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$mysqld_variables{$1}= $2;
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my $name= $1;
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my $value=$2;
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$name =~ s/_/-/g;
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# print "$name=\"$value\"\n";
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$mysqld_variables{$name}= $value;
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}
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else
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{
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@ -1998,8 +2001,11 @@ sub collect_mysqld_features_from_running_server ()
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# Put variables into hash
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if ( $line =~ /^([\S]+)[ \t]+(.*?)\r?$/ )
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{
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# print "$1=\"$2\"\n";
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$mysqld_variables{$1}= $2;
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my $name= $1;
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my $value=$2;
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$name =~ s/_/-/g;
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# print "$name=\"$value\"\n";
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$mysqld_variables{$name}= $value;
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}
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}
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@ -4777,9 +4783,9 @@ sub extract_warning_lines ($$) {
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qr/Failed on request_dump/,
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qr/Slave: Can't drop database.* database doesn't exist/,
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qr/Slave: Operation DROP USER failed for 'create_rout_db'/,
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qr|Checking table: '\./mtr/test_suppressions'|,
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qr|Checking table: '\..mtr.test_suppressions'|,
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qr|Table \./test/bug53592 has a primary key in InnoDB data dictionary, but not in MySQL|,
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qr|mysqld: Table '\./mtr/test_suppressions' is marked as crashed and should be repaired|,
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qr|mysqld: Table '\..mtr.test_suppressions' is marked as crashed and should be repaired|,
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qr|Can't open shared library.*ha_archive|,
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qr|InnoDB: Error: table 'test/bug39438'|,
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qr| entry '.*' ignored in --skip-name-resolve mode|,
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@ -6356,7 +6362,8 @@ Options to control what test suites or cases to run
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list of suite names.
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The default is: "$DEFAULT_SUITES"
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skip-rpl Skip the replication test cases.
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big-test Also run tests marked as "big"
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big-test Also run tests marked as "big". Repeat this option
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twice to run only "big" tests.
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staging-run Run a limited number of tests (no slow tests). Used
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for running staging trees with valgrind.
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enable-disabled Run also tests marked as disabled
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@ -549,7 +549,7 @@ primary key (pk1, pk2)
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);
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explain select * from t1 where pk1 = 1 and pk2 < 80 and key1=0;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range PRIMARY,key1 PRIMARY 8 NULL 9 Using index condition; Using where
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1 SIMPLE t1 range PRIMARY,key1 PRIMARY 8 NULL 9 Using where
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select * from t1 where pk1 = 1 and pk2 < 80 and key1=0;
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pk1 pk2 key1 key2 pktail1ok pktail2ok pktail3bad pktail4bad pktail5bad pk2copy badkey filler1 filler2
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1 10 0 0 0 0 0 0 0 10 0 filler-data-10 filler2
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@ -167,7 +167,7 @@ WHERE ts BETWEEN '0000-00-00' AND '2010-00-01 00:00:00'
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ORDER BY ts DESC
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LIMIT 2;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 4 Using index condition
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1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 4 Using where
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DROP TABLE t1;
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#
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@ -431,7 +431,7 @@ SELECT * FROM t1
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WHERE pk IN (SELECT it.pk FROM t2 JOIN t2 AS it ON it.i=it.i WHERE it.pk-t1.i<10);
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t1 ALL NULL NULL NULL NULL 3 Using where
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2 DEPENDENT SUBQUERY it eq_ref PRIMARY PRIMARY 4 func 1 Using index condition
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2 DEPENDENT SUBQUERY it eq_ref PRIMARY PRIMARY 4 func 1 Using where
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2 DEPENDENT SUBQUERY t2 index NULL PRIMARY 4 NULL 3 Using where; Using index; Using join buffer (flat, BNL join)
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SELECT * FROM t1
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WHERE pk IN (SELECT it.pk FROM t2 JOIN t2 AS it ON it.i=it.i WHERE it.pk-t1.i<10);
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@ -452,7 +452,7 @@ PRIMARY KEY (pk)
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INSERT INTO t1 VALUES (1,9),(2,7),(3,6),(4,3),(5,1);
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EXPLAIN SELECT pk, c1 FROM t1 WHERE pk <> 3;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 4 Using index condition
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1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 4 Using where
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SET SESSION optimizer_switch='index_condition_pushdown=off';
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SELECT pk, c1 FROM t1 WHERE pk <> 3;
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pk c1
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@ -507,8 +507,8 @@ SELECT c2 FROM t1 JOIN t2 ON t1.c1 = t2.c1
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WHERE (t2.pk <= 4 AND t1.pk IN (2,1)) OR
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(t1.pk > 1 AND t2.pk BETWEEN 6 AND 6);
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 1 Using index condition; Using where
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1 SIMPLE t2 range PRIMARY PRIMARY 4 NULL 2 Using index condition; Using where; Using join buffer (flat, BNL join)
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1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 1 Using where
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1 SIMPLE t2 range PRIMARY PRIMARY 4 NULL 2 Using where; Using join buffer (flat, BNL join)
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SELECT c2 FROM t1 JOIN t2 ON t1.c1 = t2.c1
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WHERE (t2.pk <= 4 AND t1.pk IN (2,1)) OR
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(t1.pk > 1 AND t2.pk BETWEEN 6 AND 6);
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@ -680,7 +680,7 @@ EXPLAIN
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SELECT t1.b, t1.c FROM t1, t2 WHERE t1.a = t2.a AND t1.b != 0
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HAVING t1.c != 5 ORDER BY t1.c;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 2 Using index condition; Using where; Using filesort
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1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 2 Using where; Using filesort
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1 SIMPLE t2 ref a a 515 test.t1.a 1 Using where
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SELECT t1.b, t1.c FROM t1, t2 WHERE t1.a = t2.a AND t1.b != 0
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HAVING t1.c != 5 ORDER BY t1.c;
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@ -793,7 +793,7 @@ id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t ALL PRIMARY,c NULL NULL NULL 64 Using where
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1 PRIMARY t2 ref g g 5 test.t.c 9 Using where
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2 DEPENDENT SUBQUERY t1 index PRIMARY d 3 NULL 64 Using where; Using index
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2 DEPENDENT SUBQUERY t2 eq_ref PRIMARY PRIMARY 4 test.t1.a 1 Using index condition; Using where
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2 DEPENDENT SUBQUERY t2 eq_ref PRIMARY PRIMARY 4 test.t1.a 1 Using where
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SELECT COUNT(*) FROM t1 AS t, t2
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WHERE c = g
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AND (EXISTS (SELECT * FROM t1, t2 WHERE a = f AND h <= t.e AND a > t.b)
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@ -808,5 +808,32 @@ COUNT(*)
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1478
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SET optimizer_switch=@save_optimizer_switch;
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DROP TABLE t1,t2;
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# check "Handler_pushed" status varuiables
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CREATE TABLE t1 (
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c1 CHAR(1),
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c2 CHAR(1),
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KEY (c1)
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);
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INSERT INTO t1 VALUES ('3', '3'),('4','4'),('5','5');
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flush status;
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show status like "Handler_pushed%";
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Variable_name Value
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Handler_pushed_index_cond_checks 0
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Handler_pushed_index_cond_filtered 0
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SELECT * FROM t1 FORCE INDEX(c1) WHERE (c1='3' or c1='4') and c1 % 2 = 0 ;
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c1 c2
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4 4
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show status like "Handler_pushed%";
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Variable_name Value
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Handler_pushed_index_cond_checks 2
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Handler_pushed_index_cond_filtered 1
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SELECT * FROM t1 WHERE (c2='3' or c2='4') and c2 % 2 = 0 ;
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c1 c2
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4 4
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show status like "Handler_pushed%";
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Variable_name Value
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Handler_pushed_index_cond_checks 2
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Handler_pushed_index_cond_filtered 1
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DROP TABLE t1;
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set optimizer_switch=@innodb_icp_tmp;
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set storage_engine= @save_storage_engine;
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@ -82,7 +82,7 @@ insert into t2 values ('a-1010=A', 1010), ('a-1030=A', 1030), ('a-1020=A', 1020)
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explain select * from t1, t2 where t1.a=t2.a and t1.b=t2.b;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 ALL NULL NULL NULL NULL 3 Using where
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1 SIMPLE t1 eq_ref PRIMARY PRIMARY 30 test.t2.a,test.t2.b 1 Using index condition(BKA); Using join buffer (flat, BKA join); Key-ordered scan
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1 SIMPLE t1 eq_ref PRIMARY PRIMARY 30 test.t2.a,test.t2.b 1 Using where; Using join buffer (flat, BKA join); Key-ordered scan
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select * from t1, t2 where t1.a=t2.a and t1.b=t2.b;
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a b filler a b
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a-1010=A 1010 filler a-1010=A 1010
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@ -91,7 +91,7 @@ a-1030=A 1030 filler a-1030=A 1030
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explain select * from t1, t2 where t1.a=t2.a;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 ALL NULL NULL NULL NULL 3 Using where
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1 SIMPLE t1 ref PRIMARY PRIMARY 26 test.t2.a 1 Using index condition(BKA); Using join buffer (flat, BKA join); Key-ordered scan
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1 SIMPLE t1 ref PRIMARY PRIMARY 26 test.t2.a 1 Using where; Using join buffer (flat, BKA join); Key-ordered scan
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select * from t1, t2 where t1.a=t2.a;
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a b filler a b
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a-1010=A 1010 filler a-1010=A 1010
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@ -133,7 +133,7 @@ set join_cache_level=6;
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explain select * from t1, t2 where t1.a=t2.a and t2.b + t1.b > 100;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 ALL NULL NULL NULL NULL 3 Using where
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1 SIMPLE t1 ref PRIMARY PRIMARY 4 test.t2.a 1 Using index condition(BKA); Using join buffer (flat, BKA join); Key-ordered scan
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1 SIMPLE t1 ref PRIMARY PRIMARY 4 test.t2.a 1 Using where; Using join buffer (flat, BKA join); Key-ordered scan
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select * from t1, t2 where t1.a=t2.a and t2.b + t1.b > 100;
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a b c filler a b
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set optimizer_switch='index_condition_pushdown=off';
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@ -3506,6 +3506,7 @@ insert into t2 values (2,1, 'qwerty'),(2,2, 'qwerty'),(2,3, 'qwerty'),
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insert into t2 values (3,1, 'qwerty'),(3,4, 'qwerty');
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insert into t2 values (4,1, 'qwerty'),(4,2, 'qwerty'),(4,3, 'qwerty'),
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(4,4, 'qwerty');
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flush status;
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set join_cache_level=5;
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select t2.f1, t2.f2, t2.f3 from t1,t2
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where t1.f1=t2.f1 and t2.f2 between t1.f1 and t1.f2 and t2.f2 + 1 >= t1.f1 + 1;
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@ -3519,6 +3520,10 @@ where t1.f1=t2.f1 and t2.f2 between t1.f1 and t2.f2;
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id select_type table type possible_keys key key_len ref rows Extra
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||||
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using where
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1 SIMPLE t2 ref f1 f1 4 test.t1.f1 3 Using index condition(BKA); Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
|
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show status like "Handler_pushed%";
|
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Variable_name Value
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Handler_pushed_index_cond_checks 20
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Handler_pushed_index_cond_filtered 16
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set join_cache_level=6;
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select t2.f1, t2.f2, t2.f3 from t1,t2
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where t1.f1=t2.f1 and t2.f2 between t1.f1 and t1.f2 and t2.f2 + 1 >= t1.f1 + 1;
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||||
@ -3532,6 +3537,10 @@ where t1.f1=t2.f1 and t2.f2 between t1.f1 and t2.f2;
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id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using where
|
||||
1 SIMPLE t2 ref f1 f1 4 test.t1.f1 3 Using index condition(BKA); Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
|
||||
show status like "Handler_pushed%";
|
||||
Variable_name Value
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Handler_pushed_index_cond_checks 40
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Handler_pushed_index_cond_filtered 32
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set join_cache_level=7;
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||||
select t2.f1, t2.f2, t2.f3 from t1,t2
|
||||
where t1.f1=t2.f1 and t2.f2 between t1.f1 and t1.f2 and t2.f2 + 1 >= t1.f1 + 1;
|
||||
@ -3545,6 +3554,10 @@ where t1.f1=t2.f1 and t2.f2 between t1.f1 and t2.f2;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using where
|
||||
1 SIMPLE t2 ref f1 f1 4 test.t1.f1 3 Using index condition(BKA); Using where; Using join buffer (flat, BKAH join); Key-ordered Rowid-ordered scan
|
||||
show status like "Handler_pushed%";
|
||||
Variable_name Value
|
||||
Handler_pushed_index_cond_checks 60
|
||||
Handler_pushed_index_cond_filtered 48
|
||||
set join_cache_level=8;
|
||||
select t2.f1, t2.f2, t2.f3 from t1,t2
|
||||
where t1.f1=t2.f1 and t2.f2 between t1.f1 and t1.f2 and t2.f2 + 1 >= t1.f1 + 1;
|
||||
@ -3558,6 +3571,10 @@ where t1.f1=t2.f1 and t2.f2 between t1.f1 and t2.f2;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using where
|
||||
1 SIMPLE t2 ref f1 f1 4 test.t1.f1 3 Using index condition(BKA); Using where; Using join buffer (flat, BKAH join); Key-ordered Rowid-ordered scan
|
||||
show status like "Handler_pushed%";
|
||||
Variable_name Value
|
||||
Handler_pushed_index_cond_checks 80
|
||||
Handler_pushed_index_cond_filtered 64
|
||||
drop table t1,t2;
|
||||
set join_cache_level=default;
|
||||
#
|
||||
|
||||
@ -385,6 +385,22 @@ Variable_name Value
|
||||
key_cache_block_size 1536
|
||||
SET GLOBAL key_cache_block_size= @bug28478_key_cache_block_size;
|
||||
DROP TABLE t1;
|
||||
#
|
||||
# Bug#12361113: crash when load index into cache
|
||||
#
|
||||
# Note that this creates an empty disabled key cache!
|
||||
SET GLOBAL key_cache_none.key_cache_block_size = 1024;
|
||||
CREATE TABLE t1 (a INT, b INTEGER NOT NULL, KEY (b) ) ENGINE = MYISAM;
|
||||
INSERT INTO t1 VALUES (1, 1);
|
||||
CACHE INDEX t1 in key_cache_none;
|
||||
ERROR HY000: Unknown key cache 'key_cache_none'
|
||||
# The bug crashed the server at LOAD INDEX below. Now it will succeed
|
||||
# since the default cache is used due to CACHE INDEX failed for
|
||||
# key_cache_none.
|
||||
LOAD INDEX INTO CACHE t1;
|
||||
Table Op Msg_type Msg_text
|
||||
test.t1 preload_keys status OK
|
||||
DROP TABLE t1;
|
||||
set global key_buffer_size=@save_key_buffer_size;
|
||||
set global key_cache_block_size=@save_key_cache_block_size;
|
||||
select @@key_buffer_size;
|
||||
@ -817,19 +833,3 @@ set global keycache1.key_buffer_size=0;
|
||||
set global keycache2.key_buffer_size=0;
|
||||
set global key_buffer_size=@save_key_buffer_size;
|
||||
set global key_cache_segments=@save_key_cache_segments;
|
||||
#
|
||||
# Bug#12361113: crash when load index into cache
|
||||
#
|
||||
# Note that this creates an empty disabled key cache!
|
||||
SET GLOBAL key_cache_none.key_cache_block_size = 1024;
|
||||
CREATE TABLE t1 (a INT, b INTEGER NOT NULL, KEY (b) ) ENGINE = MYISAM;
|
||||
INSERT INTO t1 VALUES (1, 1);
|
||||
CACHE INDEX t1 in key_cache_none;
|
||||
ERROR HY000: Unknown key cache 'key_cache_none'
|
||||
# The bug crashed the server at LOAD INDEX below. Now it will succeed
|
||||
# since the default cache is used due to CACHE INDEX failed for
|
||||
# key_cache_none.
|
||||
LOAD INDEX INTO CACHE t1;
|
||||
Table Op Msg_type Msg_text
|
||||
test.t1 preload_keys status OK
|
||||
DROP TABLE t1;
|
||||
|
||||
@ -814,5 +814,32 @@ COUNT(*)
|
||||
1478
|
||||
SET optimizer_switch=@save_optimizer_switch;
|
||||
DROP TABLE t1,t2;
|
||||
# check "Handler_pushed" status varuiables
|
||||
CREATE TABLE t1 (
|
||||
c1 CHAR(1),
|
||||
c2 CHAR(1),
|
||||
KEY (c1)
|
||||
);
|
||||
INSERT INTO t1 VALUES ('3', '3'),('4','4'),('5','5');
|
||||
flush status;
|
||||
show status like "Handler_pushed%";
|
||||
Variable_name Value
|
||||
Handler_pushed_index_cond_checks 0
|
||||
Handler_pushed_index_cond_filtered 0
|
||||
SELECT * FROM t1 FORCE INDEX(c1) WHERE (c1='3' or c1='4') and c1 % 2 = 0 ;
|
||||
c1 c2
|
||||
4 4
|
||||
show status like "Handler_pushed%";
|
||||
Variable_name Value
|
||||
Handler_pushed_index_cond_checks 2
|
||||
Handler_pushed_index_cond_filtered 1
|
||||
SELECT * FROM t1 WHERE (c2='3' or c2='4') and c2 % 2 = 0 ;
|
||||
c1 c2
|
||||
4 4
|
||||
show status like "Handler_pushed%";
|
||||
Variable_name Value
|
||||
Handler_pushed_index_cond_checks 2
|
||||
Handler_pushed_index_cond_filtered 1
|
||||
DROP TABLE t1;
|
||||
set storage_engine= @save_storage_engine;
|
||||
set optimizer_switch=@maria_icp_tmp;
|
||||
|
||||
@ -812,6 +812,33 @@ COUNT(*)
|
||||
1478
|
||||
SET optimizer_switch=@save_optimizer_switch;
|
||||
DROP TABLE t1,t2;
|
||||
# check "Handler_pushed" status varuiables
|
||||
CREATE TABLE t1 (
|
||||
c1 CHAR(1),
|
||||
c2 CHAR(1),
|
||||
KEY (c1)
|
||||
);
|
||||
INSERT INTO t1 VALUES ('3', '3'),('4','4'),('5','5');
|
||||
flush status;
|
||||
show status like "Handler_pushed%";
|
||||
Variable_name Value
|
||||
Handler_pushed_index_cond_checks 0
|
||||
Handler_pushed_index_cond_filtered 0
|
||||
SELECT * FROM t1 FORCE INDEX(c1) WHERE (c1='3' or c1='4') and c1 % 2 = 0 ;
|
||||
c1 c2
|
||||
4 4
|
||||
show status like "Handler_pushed%";
|
||||
Variable_name Value
|
||||
Handler_pushed_index_cond_checks 2
|
||||
Handler_pushed_index_cond_filtered 1
|
||||
SELECT * FROM t1 WHERE (c2='3' or c2='4') and c2 % 2 = 0 ;
|
||||
c1 c2
|
||||
4 4
|
||||
show status like "Handler_pushed%";
|
||||
Variable_name Value
|
||||
Handler_pushed_index_cond_checks 2
|
||||
Handler_pushed_index_cond_filtered 1
|
||||
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
|
||||
@ -887,4 +914,19 @@ Warning 1292 Truncated incorrect DOUBLE value: 'c'
|
||||
Warning 1292 Truncated incorrect DOUBLE value: 'c'
|
||||
SET optimizer_switch=@save_optimizer_switch;
|
||||
DROP TABLE t1,t2,t3,t4;
|
||||
#
|
||||
# BUG#933412: Server crashes in _mi_put_key_in_record on KILL QUERY with ICP, STRAIGHT_JOIN
|
||||
#
|
||||
CREATE TABLE t1 (
|
||||
b INT,
|
||||
c VARCHAR(1) NOT NULL,
|
||||
d DATETIME,
|
||||
KEY (c, b)
|
||||
) ENGINE=MyISAM;
|
||||
# INSERT some data
|
||||
CREATE TABLE t2 ( a INT ) ENGINE=MyISAM;
|
||||
INSERT INTO t2 VALUES
|
||||
(7),(3),(7),(3);
|
||||
# Now run a number of ICP queries while trying to kill them
|
||||
DROP TABLE t1,t2;
|
||||
set optimizer_switch=@myisam_icp_tmp;
|
||||
|
||||
@ -1769,6 +1769,21 @@ SELECT * FROM t1, t1 as t2 WHERE t1.i4 BETWEEN t2.pk AND t2.pk;
|
||||
pk i4 pk i4
|
||||
DROP TABLE t1;
|
||||
End of 5.1 tests
|
||||
#
|
||||
# LP Bug #533117: Wrong use_count in SEL_ARG trees
|
||||
# (Bug #58731)
|
||||
#
|
||||
create table t1 (a int, b int, c int, key idx (a,b,c));
|
||||
insert into t1 values (0,0,0), (2,2,0), (1,1,1), (2,2,1);
|
||||
explain
|
||||
select * from t1 force index (idx) where a >=1 and c <= 1 and a=b and b > 1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 range idx idx 5 NULL 3 Using where; Using index
|
||||
select * from t1 force index (idx) where a >=1 and c <= 1 and a=b and b > 1;
|
||||
a b c
|
||||
2 2 0
|
||||
2 2 1
|
||||
drop table t1;
|
||||
create table t1 (f1 datetime, key (f1));
|
||||
insert into t1 values ('2000-03-09 15:56:59'),('2000-05-05 23:24:28'),('2000-06-13 13:12:06');
|
||||
select min(f1) from t1 where f1 >= '2006-05-25 07:00:20' and f1 between '2003-11-23 10:00:09' and '2010-01-01 01:01:01' and f1 > '2001-01-01 01:01:01';
|
||||
|
||||
@ -1771,6 +1771,21 @@ SELECT * FROM t1, t1 as t2 WHERE t1.i4 BETWEEN t2.pk AND t2.pk;
|
||||
pk i4 pk i4
|
||||
DROP TABLE t1;
|
||||
End of 5.1 tests
|
||||
#
|
||||
# LP Bug #533117: Wrong use_count in SEL_ARG trees
|
||||
# (Bug #58731)
|
||||
#
|
||||
create table t1 (a int, b int, c int, key idx (a,b,c));
|
||||
insert into t1 values (0,0,0), (2,2,0), (1,1,1), (2,2,1);
|
||||
explain
|
||||
select * from t1 force index (idx) where a >=1 and c <= 1 and a=b and b > 1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 range idx idx 5 NULL 3 Using where; Using index
|
||||
select * from t1 force index (idx) where a >=1 and c <= 1 and a=b and b > 1;
|
||||
a b c
|
||||
2 2 0
|
||||
2 2 1
|
||||
drop table t1;
|
||||
create table t1 (f1 datetime, key (f1));
|
||||
insert into t1 values ('2000-03-09 15:56:59'),('2000-05-05 23:24:28'),('2000-06-13 13:12:06');
|
||||
select min(f1) from t1 where f1 >= '2006-05-25 07:00:20' and f1 between '2003-11-23 10:00:09' and '2010-01-01 01:01:01' and f1 > '2001-01-01 01:01:01';
|
||||
|
||||
@ -328,15 +328,15 @@ 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 20 Using index condition; Using where
|
||||
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 20 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 200 Using index condition; 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
|
||||
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 1198 Using index condition; Using where
|
||||
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 1198 Using where
|
||||
EXPLAIN
|
||||
SELECT * FROM City WHERE Country > 'A' AND Country < 'ARG';
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
@ -355,7 +355,7 @@ 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 20 Using index condition; Using where
|
||||
1 SIMPLE City range PRIMARY,Population,Country,Name PRIMARY 4 NULL 20 Using where
|
||||
EXPLAIN
|
||||
SELECT * FROM City
|
||||
WHERE ((ID < 800) AND (Name LIKE 'Ha%' 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 200 Using index condition; 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
|
||||
@ -601,11 +601,11 @@ id select_type table type possible_keys key key_len ref rows Extra
|
||||
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 400 Using index condition
|
||||
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 400 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
|
||||
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
|
||||
@ -765,27 +765,27 @@ id select_type table type possible_keys key key_len ref rows Extra
|
||||
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
|
||||
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
|
||||
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
|
||||
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 300 Using index condition
|
||||
1 SIMPLE City range PRIMARY PRIMARY 4 NULL 300 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
|
||||
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
|
||||
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
|
||||
@ -1422,7 +1422,7 @@ SELECT * FROM t1
|
||||
WHERE t1.a>300 AND t1.c!=0 AND t1.b>=350 AND t1.b<=400 AND
|
||||
(t1.c=0 OR t1.a=500);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 range PRIMARY,idx PRIMARY 4 NULL 1 Using index condition; Using where
|
||||
1 SIMPLE t1 range PRIMARY,idx PRIMARY 4 NULL 1 Using where
|
||||
SELECT * FROM t1
|
||||
WHERE t1.a>300 AND t1.c!=0 AND t1.b>=350 AND t1.b<=400 AND
|
||||
(t1.c=0 OR t1.a=500);
|
||||
|
||||
@ -276,6 +276,8 @@ Handler_commit 0
|
||||
Handler_delete 0
|
||||
Handler_discover 0
|
||||
Handler_prepare 0
|
||||
Handler_pushed_index_cond_checks 0
|
||||
Handler_pushed_index_cond_filtered 0
|
||||
Handler_read_first 0
|
||||
Handler_read_key 4
|
||||
Handler_read_last 0
|
||||
@ -298,7 +300,7 @@ Created_tmp_files 0
|
||||
Created_tmp_tables 2
|
||||
Handler_tmp_update 2
|
||||
Handler_tmp_write 7
|
||||
Rows_tmp_read 36
|
||||
Rows_tmp_read 38
|
||||
drop table t1;
|
||||
CREATE TABLE t1 (i int(11) DEFAULT NULL, KEY i (i) ) ENGINE=MyISAM;
|
||||
insert into t1 values (1),(2),(3),(4),(5);
|
||||
@ -312,6 +314,8 @@ Handler_commit 0
|
||||
Handler_delete 0
|
||||
Handler_discover 0
|
||||
Handler_prepare 0
|
||||
Handler_pushed_index_cond_checks 0
|
||||
Handler_pushed_index_cond_filtered 0
|
||||
Handler_read_first 0
|
||||
Handler_read_key 2
|
||||
Handler_read_last 0
|
||||
|
||||
@ -101,6 +101,8 @@ Handler_commit 19
|
||||
Handler_delete 1
|
||||
Handler_discover 0
|
||||
Handler_prepare 18
|
||||
Handler_pushed_index_cond_checks 0
|
||||
Handler_pushed_index_cond_filtered 0
|
||||
Handler_read_first 0
|
||||
Handler_read_key 3
|
||||
Handler_read_last 0
|
||||
|
||||
@ -1848,6 +1848,19 @@ a b
|
||||
7 5
|
||||
3 3
|
||||
drop table t1,t2;
|
||||
#
|
||||
# BUG#933407: Valgrind warnings in mark_as_null_row with materialization+semijoin, STRAIGHT_JOIN, impossible WHERE
|
||||
#
|
||||
CREATE TABLE t1 (a INT);
|
||||
INSERT INTO t1 VALUES (0),(8);
|
||||
SELECT STRAIGHT_JOIN MIN(a) FROM t1
|
||||
WHERE a IN (
|
||||
SELECT a FROM t1
|
||||
WHERE 'condition'='impossible'
|
||||
);
|
||||
MIN(a)
|
||||
NULL
|
||||
DROP TABLE t1;
|
||||
# This must be at the end:
|
||||
set optimizer_switch=@subselect_sj_mat_tmp;
|
||||
set join_cache_level=@save_join_cache_level;
|
||||
|
||||
@ -2763,6 +2763,129 @@ DROP table t1, t2;
|
||||
set @@optimizer_switch= @os_912513;
|
||||
set @@join_cache_level= @jcl_912513;
|
||||
# End
|
||||
#
|
||||
# BUG#934342: outer join + semijoin materialization
|
||||
# + join_cache_level > 2
|
||||
#
|
||||
CREATE TABLE t1 (a varchar(1), b varchar(1), INDEX idx_a(a) );
|
||||
INSERT INTO t1 VALUES ('v','v'), ('w','w'), ('t','t');
|
||||
CREATE TABLE t2 (c varchar(1), INDEX idx_c(c) );
|
||||
INSERT INTO t2 VALUES ('v'), ('v'), ('s'), ('j');
|
||||
CREATE TABLE t3 (c varchar(1), d varchar(1), INDEX idx_c(c) );
|
||||
INSERT INTO t3 VALUES ('v','v'), ('v','v'), ('s','s'), ('j','j');
|
||||
INSERT INTO t3 VALUES ('m','m'), ('d','d'), ('k','k'), ('m','m');
|
||||
set @tmp_otimizer_switch= @@optimizer_switch;
|
||||
set @tmp_join_cache_level=@@join_cache_level;
|
||||
set optimizer_switch = 'materialization=on,semijoin=on,join_cache_hashed=on';
|
||||
set join_cache_level=0;
|
||||
EXPLAIN
|
||||
SELECT * FROM t1 LEFT JOIN t2 ON (c = b)
|
||||
WHERE (a, b) IN (SELECT a, b FROM t1 t);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t1 ALL idx_a NULL NULL NULL 3
|
||||
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 10 func,func 1
|
||||
1 PRIMARY t2 ref idx_c idx_c 4 test.t1.b 2 Using where; Using index
|
||||
2 MATERIALIZED t ALL idx_a NULL NULL NULL 3
|
||||
SELECT * FROM t1 LEFT JOIN t2 ON (c = b)
|
||||
WHERE (a, b) IN (SELECT a, b FROM t1 t);
|
||||
a b c
|
||||
v v v
|
||||
v v v
|
||||
w w NULL
|
||||
t t NULL
|
||||
EXPLAIN
|
||||
SELECT * FROM t1 LEFT JOIN t3 ON (c = b)
|
||||
WHERE (a, b) IN (SELECT a, b FROM t1 t);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t1 ALL idx_a NULL NULL NULL 3
|
||||
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 10 func,func 1
|
||||
1 PRIMARY t3 ref idx_c idx_c 4 test.t1.b 2 Using where
|
||||
2 MATERIALIZED t ALL idx_a NULL NULL NULL 3
|
||||
SELECT * FROM t1 LEFT JOIN t3 ON (c = b)
|
||||
WHERE (a, b) IN (SELECT a, b FROM t1 t);
|
||||
a b c d
|
||||
v v v v
|
||||
v v v v
|
||||
w w NULL NULL
|
||||
t t NULL NULL
|
||||
set join_cache_level=6;
|
||||
EXPLAIN
|
||||
SELECT * FROM t1 LEFT JOIN t2 ON (c = b)
|
||||
WHERE (a, b) IN (SELECT a, b FROM t1 t);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t1 ALL idx_a NULL NULL NULL 3
|
||||
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 10 func,func 1
|
||||
1 PRIMARY t2 ref idx_c idx_c 4 test.t1.b 2 Using where; Using index
|
||||
2 MATERIALIZED t ALL idx_a NULL NULL NULL 3
|
||||
SELECT * FROM t1 LEFT JOIN t2 ON (c = b)
|
||||
WHERE (a, b) IN (SELECT a, b FROM t1 t);
|
||||
a b c
|
||||
v v v
|
||||
v v v
|
||||
w w NULL
|
||||
t t NULL
|
||||
EXPLAIN
|
||||
SELECT * FROM t1 LEFT JOIN t3 ON (c = b)
|
||||
WHERE (a, b) IN (SELECT a, b FROM t1 t);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t1 ALL idx_a NULL NULL NULL 3
|
||||
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 10 func,func 1
|
||||
1 PRIMARY t3 ref idx_c idx_c 4 test.t1.b 2 Using where; Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
|
||||
2 MATERIALIZED t ALL idx_a NULL NULL NULL 3
|
||||
SELECT * FROM t1 LEFT JOIN t3 ON (c = b)
|
||||
WHERE (a, b) IN (SELECT a, b FROM t1 t);
|
||||
a b c d
|
||||
v v v v
|
||||
v v v v
|
||||
w w NULL NULL
|
||||
t t NULL NULL
|
||||
set optimizer_switch=@tmp_optimizer_switch;
|
||||
set join_cache_level=@tmp_join_cache_level;
|
||||
DROP TABLE t1,t2,t3;
|
||||
# End
|
||||
#
|
||||
# BUG#934348: GROUP BY with HAVING + semijoin materialization
|
||||
# + join_cache_level > 2
|
||||
#
|
||||
CREATE TABLE t1 (a varchar(1), INDEX idx_a(a));
|
||||
INSERT INTO t1 VALUES ('c'), ('v'), ('c');
|
||||
CREATE TABLE t2 (b varchar(1));
|
||||
INSERT INTO t2 VALUES ('v'), ('c');
|
||||
set @tmp_otimizer_switch= @@optimizer_switch;
|
||||
set @tmp_join_cache_level=@@join_cache_level;
|
||||
set optimizer_switch = 'materialization=on,semijoin=on,join_cache_hashed=on';
|
||||
set join_cache_level=0;
|
||||
EXPLAIN
|
||||
SELECT a FROM t1 t WHERE a IN (SELECT b FROM t1, t2 WHERE b = a)
|
||||
GROUP BY a HAVING a != 'z';
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 2 Using temporary; Using filesort
|
||||
1 PRIMARY t ref idx_a idx_a 4 test.t2.b 2 Using index
|
||||
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 Using where
|
||||
2 MATERIALIZED t1 ref idx_a idx_a 4 test.t2.b 2 Using index
|
||||
SELECT a FROM t1 t WHERE a IN (SELECT b FROM t1, t2 WHERE b = a)
|
||||
GROUP BY a HAVING a != 'z';
|
||||
a
|
||||
c
|
||||
v
|
||||
set join_cache_level=6;
|
||||
EXPLAIN
|
||||
SELECT a FROM t1 t WHERE a IN (SELECT b FROM t1, t2 WHERE b = a)
|
||||
GROUP BY a HAVING a != 'z';
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 2 Using temporary; Using filesort
|
||||
1 PRIMARY t ref idx_a idx_a 4 test.t2.b 2 Using index
|
||||
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 Using where
|
||||
2 MATERIALIZED t1 ref idx_a idx_a 4 test.t2.b 2 Using index
|
||||
SELECT a FROM t1 t WHERE a IN (SELECT b FROM t1, t2 WHERE b = a)
|
||||
GROUP BY a HAVING a != 'z';
|
||||
a
|
||||
c
|
||||
v
|
||||
set optimizer_switch=@tmp_optimizer_switch;
|
||||
set join_cache_level=@tmp_join_cache_level;
|
||||
DROP TABLE t1,t2;
|
||||
# End
|
||||
set join_cache_level=default;
|
||||
show variables like 'join_cache_level';
|
||||
Variable_name Value
|
||||
|
||||
@ -1885,6 +1885,19 @@ a b
|
||||
7 5
|
||||
3 3
|
||||
drop table t1,t2;
|
||||
#
|
||||
# BUG#933407: Valgrind warnings in mark_as_null_row with materialization+semijoin, STRAIGHT_JOIN, impossible WHERE
|
||||
#
|
||||
CREATE TABLE t1 (a INT);
|
||||
INSERT INTO t1 VALUES (0),(8);
|
||||
SELECT STRAIGHT_JOIN MIN(a) FROM t1
|
||||
WHERE a IN (
|
||||
SELECT a FROM t1
|
||||
WHERE 'condition'='impossible'
|
||||
);
|
||||
MIN(a)
|
||||
NULL
|
||||
DROP TABLE t1;
|
||||
# This must be at the end:
|
||||
set optimizer_switch=@subselect_sj_mat_tmp;
|
||||
set join_cache_level=@save_join_cache_level;
|
||||
|
||||
@ -2933,26 +2933,6 @@ a
|
||||
DROP TABLE t1,t2;
|
||||
End of 5.3 tests
|
||||
#
|
||||
# Test for bug #39932 "create table fails if column for FK is in different
|
||||
# case than in corr index".
|
||||
#
|
||||
drop tables if exists t1, t2;
|
||||
create table t1 (pk int primary key) engine=InnoDB;
|
||||
# Even although the below statement uses uppercased field names in
|
||||
# foreign key definition it still should be able to find explicitly
|
||||
# created supporting index. So it should succeed and should not
|
||||
# create any additional supporting indexes.
|
||||
create table t2 (fk int, key x (fk),
|
||||
constraint x foreign key (FK) references t1 (PK)) engine=InnoDB;
|
||||
show create table t2;
|
||||
Table Create Table
|
||||
t2 CREATE TABLE `t2` (
|
||||
`fk` int(11) DEFAULT NULL,
|
||||
KEY `x` (`fk`),
|
||||
CONSTRAINT `x` FOREIGN KEY (`fk`) REFERENCES `t1` (`pk`)
|
||||
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
||||
drop table t2, t1;
|
||||
#
|
||||
# Test for bug #11762012 - "54553: INNODB ASSERTS IN HA_INNOBASE::
|
||||
# UPDATE_ROW, TEMPORARY TABLE, TABLE LOCK".
|
||||
#
|
||||
|
||||
@ -19,6 +19,7 @@
|
||||
# #
|
||||
#######################################################################
|
||||
|
||||
-- source include/have_innodb.inc
|
||||
let $MYSQLD_DATADIR= `select @@datadir`;
|
||||
let collation=utf8_unicode_ci;
|
||||
--source include/have_collation.inc
|
||||
|
||||
@ -1100,24 +1100,6 @@ DROP TABLE t1,t2;
|
||||
|
||||
--echo End of 5.3 tests
|
||||
|
||||
--echo #
|
||||
--echo # Test for bug #39932 "create table fails if column for FK is in different
|
||||
--echo # case than in corr index".
|
||||
--echo #
|
||||
--disable_warnings
|
||||
drop tables if exists t1, t2;
|
||||
--enable_warnings
|
||||
create table t1 (pk int primary key) engine=InnoDB;
|
||||
--echo # Even although the below statement uses uppercased field names in
|
||||
--echo # foreign key definition it still should be able to find explicitly
|
||||
--echo # created supporting index. So it should succeed and should not
|
||||
--echo # create any additional supporting indexes.
|
||||
create table t2 (fk int, key x (fk),
|
||||
constraint x foreign key (FK) references t1 (PK)) engine=InnoDB;
|
||||
show create table t2;
|
||||
drop table t2, t1;
|
||||
|
||||
|
||||
--echo #
|
||||
--echo # Test for bug #11762012 - "54553: INNODB ASSERTS IN HA_INNOBASE::
|
||||
--echo # UPDATE_ROW, TEMPORARY TABLE, TABLE LOCK".
|
||||
|
||||
@ -152,7 +152,7 @@ a b c
|
||||
2 -2 -2
|
||||
explain select * from t3 where a between 1 and 2;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t3 range PRIMARY PRIMARY 4 NULL 2 Using index condition
|
||||
1 SIMPLE t3 range PRIMARY PRIMARY 4 NULL 2 Using where
|
||||
# SELECT * FROM tbl_name WHERE <non-indexed vcol expr>
|
||||
select * from t3 where b between -2 and -1;
|
||||
a b c
|
||||
@ -176,7 +176,7 @@ a b c
|
||||
1 -1 -1
|
||||
explain select * from t3 where a between 1 and 2 order by b;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t3 range PRIMARY PRIMARY 4 NULL 2 Using index condition; Using filesort
|
||||
1 SIMPLE t3 range PRIMARY PRIMARY 4 NULL 2 Using where; Using filesort
|
||||
# SELECT * FROM tbl_name WHERE <non-vcol expr> ORDER BY <indexed vcol>
|
||||
select * from t3 where a between 1 and 2 order by c;
|
||||
a b c
|
||||
@ -184,7 +184,7 @@ a b c
|
||||
1 -1 -1
|
||||
explain select * from t3 where a between 1 and 2 order by c;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t3 range PRIMARY PRIMARY 4 NULL 2 Using index condition; Using filesort
|
||||
1 SIMPLE t3 range PRIMARY PRIMARY 4 NULL 2 Using where; Using filesort
|
||||
# SELECT * FROM tbl_name WHERE <non-indexed vcol expr> ORDER BY <non-vcol>
|
||||
select * from t3 where b between -2 and -1 order by a;
|
||||
a b c
|
||||
|
||||
@ -1526,12 +1526,14 @@ insert into t2 values (3,1, 'qwerty'),(3,4, 'qwerty');
|
||||
insert into t2 values (4,1, 'qwerty'),(4,2, 'qwerty'),(4,3, 'qwerty'),
|
||||
(4,4, 'qwerty');
|
||||
|
||||
flush status;
|
||||
set join_cache_level=5;
|
||||
select t2.f1, t2.f2, t2.f3 from t1,t2
|
||||
where t1.f1=t2.f1 and t2.f2 between t1.f1 and t1.f2 and t2.f2 + 1 >= t1.f1 + 1;
|
||||
|
||||
explain select t2.f1, t2.f2, t2.f3 from t1,t2
|
||||
where t1.f1=t2.f1 and t2.f2 between t1.f1 and t2.f2;
|
||||
show status like "Handler_pushed%";
|
||||
|
||||
set join_cache_level=6;
|
||||
select t2.f1, t2.f2, t2.f3 from t1,t2
|
||||
@ -1539,6 +1541,7 @@ where t1.f1=t2.f1 and t2.f2 between t1.f1 and t1.f2 and t2.f2 + 1 >= t1.f1 + 1;
|
||||
|
||||
explain select t2.f1, t2.f2, t2.f3 from t1,t2
|
||||
where t1.f1=t2.f1 and t2.f2 between t1.f1 and t2.f2;
|
||||
show status like "Handler_pushed%";
|
||||
|
||||
set join_cache_level=7;
|
||||
select t2.f1, t2.f2, t2.f3 from t1,t2
|
||||
@ -1546,6 +1549,7 @@ where t1.f1=t2.f1 and t2.f2 between t1.f1 and t1.f2 and t2.f2 + 1 >= t1.f1 + 1;
|
||||
|
||||
explain select t2.f1, t2.f2, t2.f3 from t1,t2
|
||||
where t1.f1=t2.f1 and t2.f2 between t1.f1 and t2.f2;
|
||||
show status like "Handler_pushed%";
|
||||
|
||||
set join_cache_level=8;
|
||||
select t2.f1, t2.f2, t2.f3 from t1,t2
|
||||
@ -1553,6 +1557,7 @@ where t1.f1=t2.f1 and t2.f2 between t1.f1 and t1.f2 and t2.f2 + 1 >= t1.f1 + 1;
|
||||
|
||||
explain select t2.f1, t2.f2, t2.f3 from t1,t2
|
||||
where t1.f1=t2.f1 and t2.f2 between t1.f1 and t2.f2;
|
||||
show status like "Handler_pushed%";
|
||||
|
||||
drop table t1,t2;
|
||||
set join_cache_level=default;
|
||||
|
||||
@ -254,6 +254,22 @@ DROP TABLE t1;
|
||||
|
||||
# End of 4.1 tests
|
||||
|
||||
--echo #
|
||||
--echo # Bug#12361113: crash when load index into cache
|
||||
--echo #
|
||||
|
||||
--echo # Note that this creates an empty disabled key cache!
|
||||
SET GLOBAL key_cache_none.key_cache_block_size = 1024;
|
||||
CREATE TABLE t1 (a INT, b INTEGER NOT NULL, KEY (b) ) ENGINE = MYISAM;
|
||||
INSERT INTO t1 VALUES (1, 1);
|
||||
--error ER_UNKNOWN_KEY_CACHE
|
||||
CACHE INDEX t1 in key_cache_none;
|
||||
--echo # The bug crashed the server at LOAD INDEX below. Now it will succeed
|
||||
--echo # since the default cache is used due to CACHE INDEX failed for
|
||||
--echo # key_cache_none.
|
||||
LOAD INDEX INTO CACHE t1;
|
||||
DROP TABLE t1;
|
||||
|
||||
# End of 5.1 tests
|
||||
|
||||
#
|
||||
@ -522,19 +538,3 @@ set global key_buffer_size=@save_key_buffer_size;
|
||||
set global key_cache_segments=@save_key_cache_segments;
|
||||
|
||||
# End of 5.2 tests
|
||||
|
||||
--echo #
|
||||
--echo # Bug#12361113: crash when load index into cache
|
||||
--echo #
|
||||
|
||||
--echo # Note that this creates an empty disabled key cache!
|
||||
SET GLOBAL key_cache_none.key_cache_block_size = 1024;
|
||||
CREATE TABLE t1 (a INT, b INTEGER NOT NULL, KEY (b) ) ENGINE = MYISAM;
|
||||
INSERT INTO t1 VALUES (1, 1);
|
||||
--error ER_UNKNOWN_KEY_CACHE
|
||||
CACHE INDEX t1 in key_cache_none;
|
||||
--echo # The bug crashed the server at LOAD INDEX below. Now it will succeed
|
||||
--echo # since the default cache is used due to CACHE INDEX failed for
|
||||
--echo # key_cache_none.
|
||||
LOAD INDEX INTO CACHE t1;
|
||||
DROP TABLE t1;
|
||||
|
||||
@ -262,4 +262,133 @@ SET optimizer_switch=@save_optimizer_switch;
|
||||
|
||||
DROP TABLE t1,t2,t3,t4;
|
||||
|
||||
--echo #
|
||||
--echo # BUG#933412: Server crashes in _mi_put_key_in_record on KILL QUERY with ICP, STRAIGHT_JOIN
|
||||
--echo #
|
||||
CREATE TABLE t1 (
|
||||
b INT,
|
||||
c VARCHAR(1) NOT NULL,
|
||||
d DATETIME,
|
||||
KEY (c, b)
|
||||
) ENGINE=MyISAM;
|
||||
--echo # INSERT some data
|
||||
--disable_query_log
|
||||
INSERT INTO t1 ( b, d, c ) VALUES
|
||||
(4,'2005-01-08 00:00:00','f'),
|
||||
(1,'2004-05-20 10:45:51','c'),(2,'2006-08-11 21:33:49','e'),
|
||||
(5,'2003-05-19 00:20:40','a'),(3,'2005-01-03 06:18:39','a'),
|
||||
(7,'2008-11-25 18:18:14','b'),(6,'2008-11-09 15:53:46','b'),
|
||||
(9,'2003-03-01 03:40:36','c'),(8,'2003-09-25 23:14:09','d'),
|
||||
(0,'2007-01-17 09:18:31','f'),(9,'2008-09-08 09:52:24','c'),
|
||||
(2,'2008-03-10 00:00:00','a'),(0,'2003-03-14 09:31:07','c'),
|
||||
(4,'2005-04-25 00:00:00','h'),(6,'2001-08-01 05:55:55','e'),
|
||||
(3,'2005-04-09 01:22:48','f'),(7,'2009-11-12 13:27:22','r'),
|
||||
(0,'2009-03-28 05:05:28','h'),(15,'2005-05-16 04:35:41','f'),
|
||||
(7,'2006-03-26 05:19:58','c'),(9,'2002-10-06 02:17:00','g'),
|
||||
(4,'2007-01-28 03:28:20','b'),(1,'2009-04-22 10:16:40','c'),
|
||||
(2,'2003-01-01 19:39:00','f'),(0,'2008-05-03 19:16:29','t'),
|
||||
(2,'2005-01-28 00:00:00','j'),(8,'2004-01-10 00:00:00','w'),
|
||||
(8,'2000-06-13 21:56:37','a'),(5,'2001-03-21 19:24:49','o'),
|
||||
(99,'2003-12-20 21:29:06','f'),(0,'1900-01-01 00:00:00','w'),
|
||||
(7,'2000-12-19 00:00:00','c'),(0,'2000-03-03 06:10:19','l'),
|
||||
(3,'2000-08-11 00:00:00','q'),(0,'2007-05-25 03:46:41','e'),
|
||||
(241,'2005-05-17 00:00:00','j'),(4,'2005-11-02 00:44:06','r'),
|
||||
(43,'2001-07-11 00:00:00','a'),(1,'2008-12-01 18:30:27','z'),
|
||||
(4,'2004-10-25 00:00:00','i'),(5,'2000-04-08 12:12:01','c'),
|
||||
(0,'1900-01-01 00:00:00','f'),(9,'2002-05-13 22:47:02','p'),
|
||||
(1,'2008-10-09 15:39:40','d'),(3,'2004-06-24 00:00:00','d'),
|
||||
(0,'2008-03-06 00:00:00','r'),(9,'2007-04-16 18:40:03','i'),
|
||||
(3,'2008-03-16 19:49:37','t'),(7,'2003-07-15 08:11:21','d'),
|
||||
(8,'2005-02-11 00:04:53','r'),(0,'2002-09-21 00:00:00','y'),
|
||||
(3,'2004-11-03 00:37:21','z'),(6,'2007-10-18 00:00:00','e'),
|
||||
(6,'2007-01-21 10:42:56','o'),(5,'2000-03-26 21:21:04','b'),
|
||||
(9,'2001-03-15 08:08:21','e'),(1,'2001-10-16 12:56:59','a'),
|
||||
(6,'2004-05-01 23:45:55','o'),(4,'2000-03-04 00:00:00','f'),
|
||||
(9,'2002-12-03 16:48:28','e'),(8,'2003-01-09 00:36:07','m'),
|
||||
(1,'2006-06-22 04:32:41','s'),(8,'2008-09-20 05:01:48','q'),
|
||||
(4,'2006-06-02 22:15:31','g'),(2,'2002-05-14 07:07:42','e'),
|
||||
(7,'2005-06-05 01:30:42','r'),(127,'2004-05-11 01:56:48','a'),
|
||||
(210,'2003-11-05 00:41:34','z'),(5,'1900-01-01 00:00:00','h'),
|
||||
(1,'2006-04-16 00:00:00','f'),(7,'2000-12-17 00:00:00','x'),
|
||||
(8,'2009-05-09 20:43:07','b'),(175,'2008-11-26 16:33:09','p'),
|
||||
(0,'2002-05-09 21:18:44','v'),(8,'2002-06-01 11:32:25','k'),
|
||||
(1,'2008-11-09 23:56:00','a'),(0,'2008-01-08 10:18:46','c'),
|
||||
(2,'2005-04-16 00:00:00','o'),(5,'2002-08-25 00:00:00','b'),
|
||||
(64,'2005-12-05 21:51:52','b'),(4,'2005-08-10 00:00:00','i'),
|
||||
(6,'2006-03-23 00:00:00','d'),(9,'2007-01-27 00:00:00','i'),
|
||||
(8,'2008-08-16 00:00:00','a'),(7,'2003-01-16 12:13:18','k'),
|
||||
(0,'2003-06-22 00:00:00','v'),(5,'2008-06-20 05:43:56','u'),
|
||||
(8,'2004-09-23 18:57:17','e'),(1,'2000-12-26 00:00:00','y'),
|
||||
(4,'2009-06-01 13:00:28','e'),(1,'2009-11-18 06:28:48','m'),
|
||||
(0,'2004-06-12 10:01:10','e'),(2,'2005-10-16 01:48:55','e'),
|
||||
(5,'2001-12-23 09:50:21','l'),(6,'1900-01-01 00:00:00','a'),
|
||||
(1,'2001-10-28 00:00:00','d'),(1,'2008-07-12 23:30:19','s'),
|
||||
(0,'2002-10-11 16:51:16','r'),(4,'2007-09-18 06:27:10','x'),
|
||||
(1,'2007-02-21 12:28:14','e'),(6,'2001-09-16 00:00:00','f'),
|
||||
(0,'2007-09-20 02:25:45','c'),(0,'2006-08-07 03:25:56','j'),
|
||||
(8,'2006-12-04 20:20:32','t'),(7,'2007-09-05 10:13:10','i'),
|
||||
(9,'2006-04-12 17:59:57','t'),(2,'2009-04-28 00:06:09','b'),
|
||||
(8,'2000-01-07 00:00:00','b'),(7,'2000-03-25 10:04:41','k'),
|
||||
(4,'2000-07-10 00:44:55','w'),(9,'2007-09-22 14:26:26','j'),
|
||||
(9,'2003-09-11 22:41:17','a'),(0,'2004-06-07 13:52:32','c'),
|
||||
(8,'2008-10-09 00:00:00','p'),(1,'2007-04-01 00:00:00','c'),
|
||||
(9,'2000-12-05 00:00:00','i'),(3,'1900-01-01 00:00:00','a'),
|
||||
(3,'2005-12-24 21:50:54','e'),(8,'2009-07-21 19:34:55','n'),
|
||||
(9,'2005-11-13 17:57:56','d'),(7,'2004-10-07 06:41:39','l'),
|
||||
(1,'2004-11-20 08:05:08','u'),(3,'2005-05-25 00:00:00','r'),
|
||||
(1,'2006-09-02 14:16:41','u'),(8,'2006-01-07 00:00:00','a'),
|
||||
(9,'2003-04-05 00:54:20','w'),(2,'2003-12-22 00:00:00','a'),
|
||||
(9,'2006-04-16 17:31:40','e'),(6,'2005-02-10 14:22:46','e'),
|
||||
(7,'2004-04-27 05:54:52','p'),(1,'2005-12-07 00:00:00','t'),
|
||||
(5,'2004-04-03 20:56:28','d'),(4,'2000-09-07 05:17:16','h'),
|
||||
(2,'2004-08-04 16:10:42','i'),(1,'2007-03-04 00:00:00','b'),
|
||||
(9,'1900-01-01 00:00:00','d'),(1,'2000-05-12 23:02:50','m'),
|
||||
(2,'1900-01-01 00:00:00','l'),(1,'1900-01-01 00:00:00','k'),
|
||||
(4,'2000-07-14 01:25:18','d'),(5,'2009-08-21 00:00:00','w'),
|
||||
(6,'2009-05-25 13:33:54','f'),(7,'2006-06-13 00:00:00','e'),
|
||||
(8,'1900-01-01 00:00:00','a'),(6,'2004-02-24 00:00:00','j'),
|
||||
(0,'2003-05-21 07:03:46','k'),(9,'1900-01-01 00:00:00','e'),
|
||||
(2,'1900-01-01 00:00:00','y'),(2,'2000-12-22 00:00:00','e'),
|
||||
(3,'2003-09-26 00:00:00','f'),(2,'2001-01-13 08:20:19','h'),
|
||||
(9,'2008-09-23 20:03:28','n'),(5,'2007-03-20 02:41:38','s'),
|
||||
(1,'2009-02-14 10:27:18','a'),(0,'2001-08-10 17:44:05','s'),
|
||||
(3,'2008-01-20 12:49:54','v'),(1,'2001-05-05 09:09:59','r');
|
||||
--enable_query_log
|
||||
CREATE TABLE t2 ( a INT ) ENGINE=MyISAM;
|
||||
INSERT INTO t2 VALUES
|
||||
(7),(3),(7),(3);
|
||||
|
||||
# 'con2' will be the connection that will run all the KILLable statements
|
||||
--connect (con2,127.0.0.1,root,,test)
|
||||
|
||||
--let $run = 300
|
||||
--let $con_id = `SELECT CONNECTION_ID()`
|
||||
|
||||
--echo # Now run a number of ICP queries while trying to kill them
|
||||
--disable_query_log
|
||||
--disable_result_log
|
||||
while ($run)
|
||||
{
|
||||
--send
|
||||
SELECT * FROM t1 AS alias1 STRAIGHT_JOIN t1 AS alias2
|
||||
ON alias2.c = alias1.c
|
||||
WHERE alias2.b >= 9;
|
||||
|
||||
--connect (con1,127.0.0.1,root,,test)
|
||||
--eval KILL QUERY $con_id
|
||||
--disconnect con1
|
||||
|
||||
--dec $run
|
||||
|
||||
--connection con2
|
||||
--error 0,ER_QUERY_INTERRUPTED
|
||||
--reap
|
||||
}
|
||||
--enable_result_log
|
||||
--enable_query_log
|
||||
--disconnect con2
|
||||
--connection default
|
||||
DROP TABLE t1,t2;
|
||||
|
||||
set optimizer_switch=@myisam_icp_tmp;
|
||||
|
||||
|
||||
@ -1406,6 +1406,20 @@ DROP TABLE t1;
|
||||
|
||||
--echo End of 5.1 tests
|
||||
|
||||
--echo #
|
||||
--echo # LP Bug #533117: Wrong use_count in SEL_ARG trees
|
||||
--echo # (Bug #58731)
|
||||
--echo #
|
||||
|
||||
create table t1 (a int, b int, c int, key idx (a,b,c));
|
||||
insert into t1 values (0,0,0), (2,2,0), (1,1,1), (2,2,1);
|
||||
|
||||
explain
|
||||
select * from t1 force index (idx) where a >=1 and c <= 1 and a=b and b > 1;
|
||||
select * from t1 force index (idx) where a >=1 and c <= 1 and a=b and b > 1;
|
||||
|
||||
drop table t1;
|
||||
|
||||
#
|
||||
# lp:750117 Bogus warning with aggregate and datetime column
|
||||
#
|
||||
@ -1459,4 +1473,3 @@ SELECT * FROM t1 ignore index(d) WHERE d = 'q' OR d >= 'q' OR (d IN ( 'j' , 's'
|
||||
SELECT * FROM t1 force index(d) WHERE d = 'q' OR d >= 'q' OR (d IN ( 'j' , 's' , 'i' ) AND ( b = 102 ));
|
||||
|
||||
DROP TABLE t1;
|
||||
|
||||
|
||||
@ -116,6 +116,98 @@ set @@join_cache_level= @jcl_912513;
|
||||
|
||||
--echo # End
|
||||
|
||||
--echo #
|
||||
--echo # BUG#934342: outer join + semijoin materialization
|
||||
--echo # + join_cache_level > 2
|
||||
--echo #
|
||||
|
||||
CREATE TABLE t1 (a varchar(1), b varchar(1), INDEX idx_a(a) );
|
||||
INSERT INTO t1 VALUES ('v','v'), ('w','w'), ('t','t');
|
||||
|
||||
CREATE TABLE t2 (c varchar(1), INDEX idx_c(c) );
|
||||
INSERT INTO t2 VALUES ('v'), ('v'), ('s'), ('j');
|
||||
|
||||
CREATE TABLE t3 (c varchar(1), d varchar(1), INDEX idx_c(c) );
|
||||
INSERT INTO t3 VALUES ('v','v'), ('v','v'), ('s','s'), ('j','j');
|
||||
INSERT INTO t3 VALUES ('m','m'), ('d','d'), ('k','k'), ('m','m');
|
||||
|
||||
set @tmp_otimizer_switch= @@optimizer_switch;
|
||||
set @tmp_join_cache_level=@@join_cache_level;
|
||||
set optimizer_switch = 'materialization=on,semijoin=on,join_cache_hashed=on';
|
||||
|
||||
set join_cache_level=0;
|
||||
|
||||
EXPLAIN
|
||||
SELECT * FROM t1 LEFT JOIN t2 ON (c = b)
|
||||
WHERE (a, b) IN (SELECT a, b FROM t1 t);
|
||||
SELECT * FROM t1 LEFT JOIN t2 ON (c = b)
|
||||
WHERE (a, b) IN (SELECT a, b FROM t1 t);
|
||||
|
||||
EXPLAIN
|
||||
SELECT * FROM t1 LEFT JOIN t3 ON (c = b)
|
||||
WHERE (a, b) IN (SELECT a, b FROM t1 t);
|
||||
SELECT * FROM t1 LEFT JOIN t3 ON (c = b)
|
||||
WHERE (a, b) IN (SELECT a, b FROM t1 t);
|
||||
|
||||
set join_cache_level=6;
|
||||
|
||||
EXPLAIN
|
||||
SELECT * FROM t1 LEFT JOIN t2 ON (c = b)
|
||||
WHERE (a, b) IN (SELECT a, b FROM t1 t);
|
||||
SELECT * FROM t1 LEFT JOIN t2 ON (c = b)
|
||||
WHERE (a, b) IN (SELECT a, b FROM t1 t);
|
||||
|
||||
EXPLAIN
|
||||
SELECT * FROM t1 LEFT JOIN t3 ON (c = b)
|
||||
WHERE (a, b) IN (SELECT a, b FROM t1 t);
|
||||
SELECT * FROM t1 LEFT JOIN t3 ON (c = b)
|
||||
WHERE (a, b) IN (SELECT a, b FROM t1 t);
|
||||
|
||||
set optimizer_switch=@tmp_optimizer_switch;
|
||||
set join_cache_level=@tmp_join_cache_level;
|
||||
|
||||
DROP TABLE t1,t2,t3;
|
||||
|
||||
--echo # End
|
||||
|
||||
--echo #
|
||||
--echo # BUG#934348: GROUP BY with HAVING + semijoin materialization
|
||||
--echo # + join_cache_level > 2
|
||||
--echo #
|
||||
|
||||
CREATE TABLE t1 (a varchar(1), INDEX idx_a(a));
|
||||
INSERT INTO t1 VALUES ('c'), ('v'), ('c');
|
||||
|
||||
CREATE TABLE t2 (b varchar(1));
|
||||
INSERT INTO t2 VALUES ('v'), ('c');
|
||||
|
||||
set @tmp_otimizer_switch= @@optimizer_switch;
|
||||
set @tmp_join_cache_level=@@join_cache_level;
|
||||
set optimizer_switch = 'materialization=on,semijoin=on,join_cache_hashed=on';
|
||||
|
||||
set join_cache_level=0;
|
||||
|
||||
EXPLAIN
|
||||
SELECT a FROM t1 t WHERE a IN (SELECT b FROM t1, t2 WHERE b = a)
|
||||
GROUP BY a HAVING a != 'z';
|
||||
SELECT a FROM t1 t WHERE a IN (SELECT b FROM t1, t2 WHERE b = a)
|
||||
GROUP BY a HAVING a != 'z';
|
||||
|
||||
set join_cache_level=6;
|
||||
|
||||
EXPLAIN
|
||||
SELECT a FROM t1 t WHERE a IN (SELECT b FROM t1, t2 WHERE b = a)
|
||||
GROUP BY a HAVING a != 'z';
|
||||
SELECT a FROM t1 t WHERE a IN (SELECT b FROM t1, t2 WHERE b = a)
|
||||
GROUP BY a HAVING a != 'z';
|
||||
|
||||
set optimizer_switch=@tmp_optimizer_switch;
|
||||
set join_cache_level=@tmp_join_cache_level;
|
||||
|
||||
DROP TABLE t1,t2;
|
||||
|
||||
--echo # End
|
||||
|
||||
set join_cache_level=default;
|
||||
show variables like 'join_cache_level';
|
||||
|
||||
|
||||
@ -1545,6 +1545,19 @@ select * from t1 where t1.a in (select a from t2 where t2.a=7 or t2.b<=1);
|
||||
|
||||
drop table t1,t2;
|
||||
|
||||
--echo #
|
||||
--echo # BUG#933407: Valgrind warnings in mark_as_null_row with materialization+semijoin, STRAIGHT_JOIN, impossible WHERE
|
||||
--echo #
|
||||
CREATE TABLE t1 (a INT);
|
||||
INSERT INTO t1 VALUES (0),(8);
|
||||
|
||||
SELECT STRAIGHT_JOIN MIN(a) FROM t1
|
||||
WHERE a IN (
|
||||
SELECT a FROM t1
|
||||
WHERE 'condition'='impossible'
|
||||
);
|
||||
|
||||
DROP TABLE t1;
|
||||
|
||||
--echo # This must be at the end:
|
||||
set optimizer_switch=@subselect_sj_mat_tmp;
|
||||
|
||||
Reference in New Issue
Block a user