mirror of
https://github.com/MariaDB/server.git
synced 2025-12-09 08:01:34 +03:00
Merge DS-MRR/CPK improvements into 5.3-main
This commit is contained in:
Sergey Petrunya
@@ -168,6 +168,7 @@ c-1020=w filler
|
||||
c-1021=w filler
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c-1022=w filler
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||||
c-1023=w filler
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||||
drop table if exists t4;
|
||||
create table t4 (a varchar(10), b int, c char(10), filler char(200),
|
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key idx1 (a, b, c));
|
||||
insert into t4 (filler) select concat('NULL-', 15-a) from t2 order by a limit 15;
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||||
@@ -402,3 +403,260 @@ SELECT * FROM t1 WHERE parent_id IS NOT NULL ORDER BY id DESC LIMIT 1;
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id parent_id name
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60 40 F
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drop table t1;
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||||
#
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# BUG#628785: multi_range_read.cc:430: int DsMrr_impl::dsmrr_init(): Assertion `do_sort_keys || do_rowid_fetch' failed
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#
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set @save_join_cache_level= @@join_cache_level;
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set @save_optimizer_switch= @@optimizer_switch;
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SET SESSION join_cache_level=9;
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||||
Warnings:
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Warning 1292 Truncated incorrect join_cache_level value: '9'
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SET SESSION optimizer_switch='mrr_sort_keys=off';
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||||
CREATE TABLE `t1` (
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`pk` int(11) NOT NULL AUTO_INCREMENT,
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||||
`col_int_nokey` int(11) DEFAULT NULL,
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||||
`col_int_key` int(11) DEFAULT NULL,
|
||||
`col_varchar_key` varchar(1) DEFAULT NULL,
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||||
`col_varchar_nokey` varchar(1) DEFAULT NULL,
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PRIMARY KEY (`pk`),
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KEY `col_varchar_key` (`col_varchar_key`,`col_int_key`)
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||||
) ENGINE=InnoDB AUTO_INCREMENT=101 DEFAULT CHARSET=latin1;
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||||
INSERT INTO `t1` VALUES (1,6,NULL,'r','r');
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||||
INSERT INTO `t1` VALUES (2,8,0,'c','c');
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||||
INSERT INTO `t1` VALUES (97,7,0,'z','z');
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||||
INSERT INTO `t1` VALUES (98,1,1,'j','j');
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||||
INSERT INTO `t1` VALUES (99,7,8,'c','c');
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INSERT INTO `t1` VALUES (100,2,5,'f','f');
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SELECT table1 .`col_varchar_key`
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FROM t1 table1 STRAIGHT_JOIN ( t1 table3 JOIN t1 table4 ON table4 .`pk` = table3 .`col_int_nokey` ) ON table4 .`col_varchar_nokey` ;
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col_varchar_key
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DROP TABLE t1;
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set join_cache_level=@save_join_cache_level;
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set optimizer_switch=@save_optimizer_switch;
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||||
#
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# BUG#623300: Query with join_cache_level = 6 returns extra rows in maria-5.3-dsmrr-cpk
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#
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CREATE TABLE t1 (
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pk int(11) NOT NULL AUTO_INCREMENT,
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col_int_nokey int(11) DEFAULT NULL,
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PRIMARY KEY (pk)
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) ENGINE=InnoDB;
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||||
INSERT INTO t1 VALUES (10,7);
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||||
INSERT INTO t1 VALUES (11,1);
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INSERT INTO t1 VALUES (12,5);
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||||
INSERT INTO t1 VALUES (13,3);
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||||
INSERT INTO t1 VALUES (14,6);
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||||
INSERT INTO t1 VALUES (15,92);
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||||
INSERT INTO t1 VALUES (16,7);
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||||
INSERT INTO t1 VALUES (17,NULL);
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||||
INSERT INTO t1 VALUES (18,3);
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INSERT INTO t1 VALUES (19,5);
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||||
INSERT INTO t1 VALUES (20,1);
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INSERT INTO t1 VALUES (21,2);
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||||
INSERT INTO t1 VALUES (22,NULL);
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||||
INSERT INTO t1 VALUES (23,1);
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||||
INSERT INTO t1 VALUES (24,0);
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||||
INSERT INTO t1 VALUES (25,210);
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INSERT INTO t1 VALUES (26,8);
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INSERT INTO t1 VALUES (27,7);
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INSERT INTO t1 VALUES (28,5);
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INSERT INTO t1 VALUES (29,NULL);
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CREATE TABLE t2 (
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pk int(11) NOT NULL AUTO_INCREMENT,
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col_int_nokey int(11) DEFAULT NULL,
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PRIMARY KEY (pk)
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||||
) ENGINE=InnoDB;
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||||
INSERT INTO t2 VALUES (1,NULL);
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INSERT INTO t2 VALUES (2,7);
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||||
INSERT INTO t2 VALUES (3,9);
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||||
INSERT INTO t2 VALUES (4,7);
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||||
INSERT INTO t2 VALUES (5,4);
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||||
INSERT INTO t2 VALUES (6,2);
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||||
INSERT INTO t2 VALUES (7,6);
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||||
INSERT INTO t2 VALUES (8,8);
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||||
INSERT INTO t2 VALUES (9,NULL);
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||||
INSERT INTO t2 VALUES (10,5);
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INSERT INTO t2 VALUES (11,NULL);
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INSERT INTO t2 VALUES (12,6);
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INSERT INTO t2 VALUES (13,188);
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INSERT INTO t2 VALUES (14,2);
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||||
INSERT INTO t2 VALUES (15,1);
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||||
INSERT INTO t2 VALUES (16,1);
|
||||
INSERT INTO t2 VALUES (17,0);
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||||
INSERT INTO t2 VALUES (18,9);
|
||||
INSERT INTO t2 VALUES (19,NULL);
|
||||
INSERT INTO t2 VALUES (20,4);
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||||
set @my_save_join_cache_level= @@join_cache_level;
|
||||
SET join_cache_level = 0;
|
||||
SELECT table2.col_int_nokey
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FROM t1 table1 JOIN t2 table2 ON table2.pk = table1.col_int_nokey
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||||
WHERE table1.pk ;
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||||
col_int_nokey
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||||
2
|
||||
4
|
||||
4
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||||
4
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||||
6
|
||||
6
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||||
6
|
||||
7
|
||||
8
|
||||
9
|
||||
9
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||||
NULL
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||||
NULL
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||||
NULL
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||||
SET join_cache_level = 6;
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SELECT table2.col_int_nokey
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FROM t1 table1 JOIN t2 table2 ON table2.pk = table1.col_int_nokey
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WHERE table1.pk ;
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col_int_nokey
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||||
2
|
||||
4
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||||
4
|
||||
4
|
||||
6
|
||||
6
|
||||
6
|
||||
7
|
||||
8
|
||||
9
|
||||
9
|
||||
NULL
|
||||
NULL
|
||||
NULL
|
||||
set join_cache_level= @my_save_join_cache_level;
|
||||
drop table t1, t2;
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||||
#
|
||||
# BUG#623315: Query returns less rows when run with join_cache_level=6 on maria-5.3-dsmrr-cpk
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#
|
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CREATE TABLE t1 (
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pk int(11) NOT NULL AUTO_INCREMENT,
|
||||
col_int_nokey int(11) DEFAULT NULL,
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col_int_key int(11) DEFAULT NULL,
|
||||
col_varchar_key varchar(1) DEFAULT NULL,
|
||||
PRIMARY KEY (pk),
|
||||
KEY col_int_key (col_int_key),
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||||
KEY col_varchar_key (col_varchar_key,col_int_key)
|
||||
) ENGINE=InnoDB;
|
||||
INSERT INTO t1 VALUES (10,7,8,'v');
|
||||
INSERT INTO t1 VALUES (11,1,9,'r');
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||||
INSERT INTO t1 VALUES (12,5,9,'a');
|
||||
INSERT INTO t1 VALUES (13,3,186,'m');
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||||
INSERT INTO t1 VALUES (14,6,NULL,'y');
|
||||
INSERT INTO t1 VALUES (15,92,2,'j');
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||||
INSERT INTO t1 VALUES (16,7,3,'d');
|
||||
INSERT INTO t1 VALUES (17,NULL,0,'z');
|
||||
INSERT INTO t1 VALUES (18,3,133,'e');
|
||||
INSERT INTO t1 VALUES (19,5,1,'h');
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||||
INSERT INTO t1 VALUES (20,1,8,'b');
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||||
INSERT INTO t1 VALUES (21,2,5,'s');
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||||
INSERT INTO t1 VALUES (22,NULL,5,'e');
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||||
INSERT INTO t1 VALUES (23,1,8,'j');
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||||
INSERT INTO t1 VALUES (24,0,6,'e');
|
||||
INSERT INTO t1 VALUES (25,210,51,'f');
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||||
INSERT INTO t1 VALUES (26,8,4,'v');
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||||
INSERT INTO t1 VALUES (27,7,7,'x');
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||||
INSERT INTO t1 VALUES (28,5,6,'m');
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||||
INSERT INTO t1 VALUES (29,NULL,4,'c');
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||||
set @my_save_join_cache_level= @@join_cache_level;
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||||
SET join_cache_level=6;
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||||
select count(*) from
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(SELECT table2.pk FROM
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t1 LEFT JOIN t1 table2 JOIN t1 table3 ON table3.col_varchar_key = table2.col_varchar_key
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ON table3.col_int_nokey) foo;
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count(*)
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480
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||||
SET join_cache_level=0;
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select count(*) from
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(SELECT table2.pk FROM
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||||
t1 LEFT JOIN t1 table2 JOIN t1 table3 ON table3.col_varchar_key = table2.col_varchar_key
|
||||
ON table3.col_int_nokey) foo;
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||||
count(*)
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||||
480
|
||||
set join_cache_level= @my_save_join_cache_level;
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||||
drop table t1;
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||||
#
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||||
# BUG#671340: Diverging results in with mrr_sort_keys=ON|OFF and join_cache_level=5
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||||
#
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||||
CREATE TABLE t1 (
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||||
pk int(11) NOT NULL AUTO_INCREMENT,
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||||
col_int_key int(11) NOT NULL,
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||||
col_varchar_key varchar(1) NOT NULL,
|
||||
col_varchar_nokey varchar(1) NOT NULL,
|
||||
PRIMARY KEY (pk),
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KEY col_int_key (col_int_key),
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KEY col_varchar_key (col_varchar_key,col_int_key)
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||||
) ENGINE=InnoDB;
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||||
INSERT INTO t1 VALUES
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||||
(10,8,'v','v'),
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||||
(11,8,'f','f'),
|
||||
(12,5,'v','v'),
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||||
(13,8,'s','s'),
|
||||
(14,8,'a','a'),
|
||||
(15,6,'p','p'),
|
||||
(16,7,'z','z'),
|
||||
(17,2,'a','a'),
|
||||
(18,5,'h','h'),
|
||||
(19,7,'h','h'),
|
||||
(20,2,'v','v'),
|
||||
(21,9,'v','v'),
|
||||
(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');
|
||||
CREATE TABLE t2 (
|
||||
pk int(11) NOT NULL AUTO_INCREMENT,
|
||||
col_int_key int(11) NOT NULL,
|
||||
col_varchar_key varchar(1) NOT NULL,
|
||||
col_varchar_nokey varchar(1) NOT NULL,
|
||||
PRIMARY KEY (pk),
|
||||
KEY col_int_key (col_int_key),
|
||||
KEY col_varchar_key (col_varchar_key,col_int_key)
|
||||
) ENGINE=InnoDB;
|
||||
INSERT INTO t2 VALUES
|
||||
(1,9,'x','x'),
|
||||
(2,5,'g','g'),
|
||||
(3,1,'o','o'),
|
||||
(4,0,'g','g'),
|
||||
(5,1,'v','v'),
|
||||
(6,190,'m','m'),
|
||||
(7,6,'x','x'),
|
||||
(8,3,'c','c'),
|
||||
(9,4,'z','z'),
|
||||
(10,3,'i','i'),
|
||||
(11,186,'x','x'),
|
||||
(12,1,'g','g'),
|
||||
(13,8,'q','q'),
|
||||
(14,226,'m','m'),
|
||||
(15,133,'p','p'),
|
||||
(16,6,'e','e'),
|
||||
(17,3,'t','t'),
|
||||
(18,8,'j','j'),
|
||||
(19,5,'h','h'),
|
||||
(20,7,'w','w');
|
||||
SELECT count(*), sum(table1.col_int_key*table2.pk)
|
||||
FROM
|
||||
t2 AS table1, t1 AS table2, t2 AS table3
|
||||
WHERE
|
||||
table3.col_varchar_nokey = table2.col_varchar_key AND table3.pk > table2.col_varchar_nokey ;
|
||||
count(*) sum(table1.col_int_key*table2.pk)
|
||||
240 185955
|
||||
set @my_save_join_cache_level= @@join_cache_level;
|
||||
set @my_save_join_buffer_size= @@join_buffer_size;
|
||||
set join_cache_level=6;
|
||||
set join_buffer_size=1500;
|
||||
SELECT count(*), sum(table1.col_int_key*table2.pk)
|
||||
FROM
|
||||
t2 AS table1, t1 AS table2, t2 AS table3
|
||||
WHERE
|
||||
table3.col_varchar_nokey = table2.col_varchar_key AND table3.pk > table2.col_varchar_nokey ;
|
||||
count(*) sum(table1.col_int_key*table2.pk)
|
||||
240 185955
|
||||
drop table t1,t2;
|
||||
set join_cache_level=@my_save_join_cache_level;
|
||||
set join_buffer_size=@my_save_join_buffer_size;
|
||||
|
||||
148
mysql-test/r/innodb_mrr_cpk.result
Normal file
148
mysql-test/r/innodb_mrr_cpk.result
Normal file
@@ -0,0 +1,148 @@
|
||||
drop table if exists t0,t1,t2,t3;
|
||||
set @save_join_cache_level=@@join_cache_level;
|
||||
set join_cache_level=6;
|
||||
set @save_storage_engine=@@storage_engine;
|
||||
set storage_engine=innodb;
|
||||
create table t0(a int);
|
||||
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
|
||||
create table t1(a char(8), b char(8), filler char(100), primary key(a));
|
||||
show create table t1;
|
||||
Table Create Table
|
||||
t1 CREATE TABLE `t1` (
|
||||
`a` char(8) NOT NULL DEFAULT '',
|
||||
`b` char(8) DEFAULT NULL,
|
||||
`filler` char(100) DEFAULT NULL,
|
||||
PRIMARY KEY (`a`)
|
||||
) ENGINE=InnoDB DEFAULT CHARSET=latin1
|
||||
insert into t1 select
|
||||
concat('a-', 1000 + A.a + B.a*10 + C.a*100, '=A'),
|
||||
concat('b-', 1000 + A.a + B.a*10 + C.a*100, '=B'),
|
||||
'filler'
|
||||
from t0 A, t0 B, t0 C;
|
||||
create table t2 (a char(8));
|
||||
insert into t2 values ('a-1010=A'), ('a-1030=A'), ('a-1020=A');
|
||||
This should use join buffer:
|
||||
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 t2 ALL NULL NULL NULL NULL 3 Using where
|
||||
1 SIMPLE t1 eq_ref PRIMARY PRIMARY 8 test.t2.a 1 Using join buffer (flat, BKA join)
|
||||
This output must be sorted by value of t1.a:
|
||||
select * from t1, t2 where t1.a=t2.a;
|
||||
a b filler a
|
||||
a-1010=A b-1010=B filler a-1010=A
|
||||
a-1020=A b-1020=B filler a-1020=A
|
||||
a-1030=A b-1030=B filler a-1030=A
|
||||
drop table t1, t2;
|
||||
create table t1(
|
||||
a char(8) character set utf8, b int, filler char(100),
|
||||
primary key(a,b)
|
||||
);
|
||||
insert into t1 select
|
||||
concat('a-', 1000 + A.a + B.a*10 + C.a*100, '=A'),
|
||||
1000 + A.a + B.a*10 + C.a*100,
|
||||
'filler'
|
||||
from t0 A, t0 B, t0 C;
|
||||
create table t2 (a char(8) character set utf8, b int);
|
||||
insert into t2 values ('a-1010=A', 1010), ('a-1030=A', 1030), ('a-1020=A', 1020);
|
||||
explain select * from t1, t2 where t1.a=t2.a and t1.b=t2.b;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 Using where
|
||||
1 SIMPLE t1 eq_ref PRIMARY PRIMARY 28 test.t2.a,test.t2.b 1 Using join buffer (flat, BKA join)
|
||||
select * from t1, t2 where t1.a=t2.a and t1.b=t2.b;
|
||||
a b filler a b
|
||||
a-1010=A 1010 filler a-1010=A 1010
|
||||
a-1020=A 1020 filler a-1020=A 1020
|
||||
a-1030=A 1030 filler a-1030=A 1030
|
||||
insert into t2 values ('a-1030=A', 1030), ('a-1020=A', 1020);
|
||||
explain select * from t1, t2 where t1.a=t2.a and t1.b=t2.b;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t2 ALL NULL NULL NULL NULL 5 Using where
|
||||
1 SIMPLE t1 eq_ref PRIMARY PRIMARY 28 test.t2.a,test.t2.b 1 Using join buffer (flat, BKA join)
|
||||
select * from t1, t2 where t1.a=t2.a and t1.b=t2.b;
|
||||
a b filler a b
|
||||
a-1010=A 1010 filler a-1010=A 1010
|
||||
a-1020=A 1020 filler a-1020=A 1020
|
||||
a-1020=A 1020 filler a-1020=A 1020
|
||||
a-1030=A 1030 filler a-1030=A 1030
|
||||
a-1030=A 1030 filler a-1030=A 1030
|
||||
drop table t1, t2;
|
||||
create table t1(
|
||||
a varchar(8) character set utf8, b int, filler char(100),
|
||||
primary key(a,b)
|
||||
);
|
||||
insert into t1 select
|
||||
concat('a-', 1000 + A.a + B.a*10 + C.a*100, '=A'),
|
||||
1000 + A.a + B.a*10 + C.a*100,
|
||||
'filler'
|
||||
from t0 A, t0 B, t0 C;
|
||||
create table t2 (a char(8) character set utf8, b int);
|
||||
insert into t2 values ('a-1010=A', 1010), ('a-1030=A', 1030), ('a-1020=A', 1020);
|
||||
explain select * from t1, t2 where t1.a=t2.a and t1.b=t2.b;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 Using where
|
||||
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)
|
||||
select * from t1, t2 where t1.a=t2.a and t1.b=t2.b;
|
||||
a b filler a b
|
||||
a-1010=A 1010 filler a-1010=A 1010
|
||||
a-1020=A 1020 filler a-1020=A 1020
|
||||
a-1030=A 1030 filler a-1030=A 1030
|
||||
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 t2 ALL NULL NULL NULL NULL 3 Using where
|
||||
1 SIMPLE t1 ref PRIMARY PRIMARY 26 test.t2.a 1 Using index condition(BKA); Using join buffer (flat, BKA join)
|
||||
select * from t1, t2 where t1.a=t2.a;
|
||||
a b filler a b
|
||||
a-1010=A 1010 filler a-1010=A 1010
|
||||
a-1020=A 1020 filler a-1020=A 1020
|
||||
a-1030=A 1030 filler a-1030=A 1030
|
||||
drop table t1, t2;
|
||||
create table t1 (a int, b int, c int, filler char(100), primary key(a,b,c));
|
||||
insert into t1 select A.a, B.a, C.a, 'filler' from t0 A, t0 B, t0 C;
|
||||
insert into t1 values (11, 11, 11, 'filler');
|
||||
insert into t1 values (11, 11, 12, 'filler');
|
||||
insert into t1 values (11, 11, 13, 'filler');
|
||||
insert into t1 values (11, 22, 1234, 'filler');
|
||||
insert into t1 values (11, 33, 124, 'filler');
|
||||
insert into t1 values (11, 33, 125, 'filler');
|
||||
create table t2 (a int, b int);
|
||||
insert into t2 values (11,33), (11,22), (11,11);
|
||||
explain select * from t1, t2 where t1.a=t2.a and t1.b=t2.b;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 Using where
|
||||
1 SIMPLE t1 ref PRIMARY PRIMARY 8 test.t2.a,test.t2.b 1 Using join buffer (flat, BKA join)
|
||||
select * from t1, t2 where t1.a=t2.a and t1.b=t2.b;
|
||||
a b c filler a b
|
||||
11 11 11 filler 11 11
|
||||
11 11 12 filler 11 11
|
||||
11 11 13 filler 11 11
|
||||
11 22 1234 filler 11 22
|
||||
11 33 124 filler 11 33
|
||||
11 33 125 filler 11 33
|
||||
set join_cache_level=0;
|
||||
select * from t1, t2 where t1.a=t2.a and t1.b=t2.b;
|
||||
a b c filler a b
|
||||
11 33 124 filler 11 33
|
||||
11 33 125 filler 11 33
|
||||
11 22 1234 filler 11 22
|
||||
11 11 11 filler 11 11
|
||||
11 11 12 filler 11 11
|
||||
11 11 13 filler 11 11
|
||||
set join_cache_level=6;
|
||||
explain select * from t1, t2 where t1.a=t2.a and t2.b + t1.b > 100;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 Using where
|
||||
1 SIMPLE t1 ref PRIMARY PRIMARY 4 test.t2.a 1 Using index condition(BKA); Using join buffer (flat, BKA join)
|
||||
select * from t1, t2 where t1.a=t2.a and t2.b + t1.b > 100;
|
||||
a b c filler a b
|
||||
set optimizer_switch='index_condition_pushdown=off';
|
||||
explain select * from t1, t2 where t1.a=t2.a and t2.b + t1.b > 100;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 Using where
|
||||
1 SIMPLE t1 ref PRIMARY PRIMARY 4 test.t2.a 1 Using where; Using join buffer (flat, BKA join)
|
||||
select * from t1, t2 where t1.a=t2.a and t2.b + t1.b > 100;
|
||||
a b c filler a b
|
||||
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;
|
||||
drop table t0;
|
||||
@@ -1,4 +1,5 @@
|
||||
drop table if exists t1,t2,t3,t4;
|
||||
set @mrr_buffer_size_save= @@mrr_buffer_size;
|
||||
set @save_storage_engine= @@storage_engine;
|
||||
set storage_engine=aria;
|
||||
create table t1(a int);
|
||||
@@ -168,6 +169,7 @@ c-1020=w filler
|
||||
c-1021=w filler
|
||||
c-1022=w filler
|
||||
c-1023=w filler
|
||||
drop table if exists t4;
|
||||
create table t4 (a varchar(10), b int, c char(10), filler char(200),
|
||||
key idx1 (a, b, c));
|
||||
insert into t4 (filler) select concat('NULL-', 15-a) from t2 order by a limit 15;
|
||||
@@ -292,6 +294,35 @@ NULL 9 0
|
||||
NULL 9 0
|
||||
drop table t1, t2;
|
||||
set storage_engine= @save_storage_engine;
|
||||
set @@mrr_buffer_size= @mrr_buffer_size_save;
|
||||
#
|
||||
# Crash in quick_range_seq_next() in maria-5.3-dsmrr-cpk with join_cache_level = {8,1}
|
||||
#
|
||||
set @save_join_cache_level= @@join_cache_level;
|
||||
SET SESSION join_cache_level = 8;
|
||||
CREATE TABLE `t1` (
|
||||
`col_int_key` int(11) DEFAULT NULL,
|
||||
`col_datetime_key` datetime DEFAULT NULL,
|
||||
`col_varchar_key` varchar(1) DEFAULT NULL,
|
||||
`col_varchar_nokey` varchar(1) DEFAULT NULL,
|
||||
KEY `col_varchar_key` (`col_varchar_key`,`col_int_key`)
|
||||
) ENGINE=MARIA DEFAULT CHARSET=latin1 PAGE_CHECKSUM=1;
|
||||
INSERT INTO `t1` VALUES (6,'2005-10-07 00:00:00','e','e');
|
||||
INSERT INTO `t1` VALUES (51,'2000-07-15 05:00:34','f','f');
|
||||
CREATE TABLE `t2` (
|
||||
`col_int_key` int(11) DEFAULT NULL,
|
||||
`col_datetime_key` datetime DEFAULT NULL,
|
||||
`col_varchar_key` varchar(1) DEFAULT NULL,
|
||||
`col_varchar_nokey` varchar(1) DEFAULT NULL,
|
||||
KEY `col_varchar_key` (`col_varchar_key`,`col_int_key`)
|
||||
) ENGINE=MARIA DEFAULT CHARSET=latin1 PAGE_CHECKSUM=1;
|
||||
INSERT INTO `t2` VALUES (2,'2004-10-11 18:13:16','w','w');
|
||||
INSERT INTO `t2` VALUES (2,'1900-01-01 00:00:00','d','d');
|
||||
SELECT table2 .`col_datetime_key`
|
||||
FROM t2 JOIN ( t1 table2 JOIN t2 table3 ON table3 .`col_varchar_key` < table2 .`col_varchar_key` ) ON table3 .`col_varchar_nokey` ;
|
||||
col_datetime_key
|
||||
drop table t1, t2;
|
||||
set join_cache_level=@save_join_cache_level;
|
||||
CREATE TABLE t1(
|
||||
pk int NOT NULL, i int NOT NULL, v varchar(1) NOT NULL,
|
||||
PRIMARY KEY (pk), INDEX idx (v, i)
|
||||
@@ -336,109 +367,39 @@ id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t3 ref PRIMARY,idx idx 3 test.t2.v 2 Using index condition; Using where
|
||||
DROP TABLE t1,t2,t3;
|
||||
#
|
||||
# Bug #669420: MRR for Range checked for each record
|
||||
# BUG#671361: virtual int Mrr_ordered_index_reader::refill_buffer(): Assertion `!know_key_tuple_params
|
||||
# (works only on Maria because we need 1024-byte long key)
|
||||
#
|
||||
SET SESSION optimizer_use_mrr = 'force';
|
||||
SET SESSION join_cache_level = 6;
|
||||
SET SESSION join_buffer_size = 1024;
|
||||
CREATE TABLE t1 (
|
||||
pk int NOT NULL PRIMARY KEY,
|
||||
j int NOT NULL,
|
||||
i int NOT NULL,
|
||||
v varchar(1) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL,
|
||||
INDEX i (i),
|
||||
INDEX vi (v,i)
|
||||
) ENGINE=ARIA;
|
||||
INSERT INTO t1 VALUES (10,3,8,'v'),(11,3,8,'f');
|
||||
pk int(11) NOT NULL AUTO_INCREMENT,
|
||||
col_varchar_1024_latin1_key varchar(1024) DEFAULT NULL,
|
||||
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');
|
||||
CREATE TABLE t2 (
|
||||
pk int NOT NULL PRIMARY KEY,
|
||||
j int NOT NULL,
|
||||
i int NOT NULL,
|
||||
v varchar(1) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL,
|
||||
INDEX i (i),
|
||||
INDEX vi (v,i)
|
||||
) ENGINE=ARIA;
|
||||
INSERT INTO t2 VALUES (10,9,3,'i'),(11,101,186,'x'),(12,0,1,'g');
|
||||
SET SESSION join_cache_level=0;
|
||||
EXPLAIN
|
||||
SELECT t1.i, t2.i, t2.v, t3.pk, t3.v FROM t1, t2, t2 t3
|
||||
WHERE t2.i != 0 AND t3.pk >= t2.i AND t3.v >= t2.v;
|
||||
col_varchar_10_latin1 varchar(10) DEFAULT NULL
|
||||
) ENGINE=Aria;
|
||||
INSERT INTO t2 VALUES ('foo'), ('foo');
|
||||
EXPLAIN SELECT count(*)
|
||||
FROM t1 AS table1, t2 AS table2
|
||||
WHERE
|
||||
table1.col_varchar_1024_latin1_key = table2.col_varchar_10_latin1 AND table1.pk<>0 ;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 index NULL i 4 NULL 2 Using index
|
||||
1 SIMPLE t2 index i,vi vi 7 NULL 3 Using where; Using index
|
||||
1 SIMPLE t3 ALL PRIMARY,vi NULL NULL NULL 3 Range checked for each record (index map: 0x5)
|
||||
SELECT t1.i, t2.i, t2.v, t3.pk, t3.v FROM t1, t2, t2 t3
|
||||
WHERE t2.i != 0 AND t3.pk >= t2.i AND t3.v >= t2.v;
|
||||
i i v pk v
|
||||
8 1 g 10 i
|
||||
8 1 g 11 x
|
||||
8 1 g 12 g
|
||||
8 3 i 10 i
|
||||
8 3 i 11 x
|
||||
8 1 g 10 i
|
||||
8 1 g 11 x
|
||||
8 1 g 12 g
|
||||
8 3 i 10 i
|
||||
8 3 i 11 x
|
||||
SET SESSION join_cache_level=1;
|
||||
EXPLAIN
|
||||
SELECT t1.i, t2.i, t2.v, t3.pk, t3.v FROM t1, t2, t2 t3
|
||||
WHERE t2.i != 0 AND t3.pk >= t2.i AND t3.v >= t2.v;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 index NULL i 4 NULL 2 Using index
|
||||
1 SIMPLE t2 index i,vi vi 7 NULL 3 Using where; Using index; Using join buffer (flat, BNL join)
|
||||
1 SIMPLE t3 ALL PRIMARY,vi NULL NULL NULL 3 Range checked for each record (index map: 0x5)
|
||||
SELECT t1.i, t2.i, t2.v, t3.pk, t3.v FROM t1, t2, t2 t3
|
||||
WHERE t2.i != 0 AND t3.pk >= t2.i AND t3.v >= t2.v;
|
||||
i i v pk v
|
||||
8 3 i 10 i
|
||||
8 3 i 11 x
|
||||
8 3 i 10 i
|
||||
8 3 i 11 x
|
||||
8 1 g 10 i
|
||||
8 1 g 11 x
|
||||
8 1 g 12 g
|
||||
8 1 g 10 i
|
||||
8 1 g 11 x
|
||||
8 1 g 12 g
|
||||
SET SESSION join_cache_level=DEFAULT;
|
||||
DROP TABLE t1,t2;
|
||||
CREATE TABLE t1 (
|
||||
pk int NOT NULL PRIMARY KEY,
|
||||
j int NOT NULL,
|
||||
i int NOT NULL,
|
||||
v varchar(1) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL,
|
||||
INDEX i (i)
|
||||
) ENGINE=ARIA;
|
||||
INSERT INTO t1 VALUES
|
||||
(10,3,8,'v'),(11,3,8,'f'),(12,3,5,'v'),(13,2,8,'s'),(14,1,8,'a'),
|
||||
(15,0,6,'p'),(16,8,7,'z'),(17,5,2,'a'),(18,9,5,'h'),(19,5,7,'h'),
|
||||
(20,4,2,'v'),(21,2,9,'v'),(22,33,142,'b'),(23,5,3,'y'),(24,1,0,'v'),
|
||||
(25,9,3,'m'),(26,1,5,'z'),(27,3,9,'n'),(28,8,1,'d'),(29,231,107,'a');
|
||||
SET SESSION join_cache_level = 0;
|
||||
EXPLAIN
|
||||
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t ALL i NULL NULL NULL 20
|
||||
1 SIMPLE s ALL PRIMARY,i NULL NULL NULL 20 Range checked for each record (index map: 0x3)
|
||||
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j;
|
||||
f
|
||||
142
|
||||
142
|
||||
107
|
||||
EXPLAIN
|
||||
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j GROUP BY f;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t ALL i NULL NULL NULL 20 Using temporary; Using filesort
|
||||
1 SIMPLE s ALL PRIMARY,i NULL NULL NULL 20 Range checked for each record (index map: 0x3)
|
||||
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j GROUP BY f;
|
||||
f
|
||||
107
|
||||
142
|
||||
EXPLAIN
|
||||
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j GROUP BY f LIMIT 1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE s ALL PRIMARY,i NULL NULL NULL 20 Using temporary; Using filesort
|
||||
1 SIMPLE t ALL i NULL NULL NULL 20 Using where
|
||||
SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j GROUP BY f LIMIT 1;
|
||||
f
|
||||
107
|
||||
SET SESSION join_cache_level=DEFAULT;
|
||||
DROP TABLE t1;
|
||||
1 SIMPLE table2 ALL NULL NULL NULL NULL 2 Using where
|
||||
1 SIMPLE table1 ref PRIMARY,col_varchar_1024_latin1_key col_varchar_1024_latin1_key 1027 test.table2.col_varchar_10_latin1 2 Using index condition(BKA); Using where; Using join buffer (flat, BKA join)
|
||||
SELECT count(*)
|
||||
FROM t1 AS table1, t2 AS table2
|
||||
WHERE
|
||||
table1.col_varchar_1024_latin1_key = table2.col_varchar_10_latin1 AND table1.pk<>0 ;
|
||||
count(*)
|
||||
0
|
||||
drop table t1, t2;
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
drop table if exists t1, t2, t3;
|
||||
drop table if exists t0, t1, t2, t3;
|
||||
set @mrr_buffer_size_save= @@mrr_buffer_size;
|
||||
set mrr_buffer_size=79;
|
||||
Warnings:
|
||||
@@ -170,6 +170,7 @@ c-1020=w filler
|
||||
c-1021=w filler
|
||||
c-1022=w filler
|
||||
c-1023=w filler
|
||||
drop table if exists t4;
|
||||
create table t4 (a varchar(10), b int, c char(10), filler char(200),
|
||||
key idx1 (a, b, c));
|
||||
insert into t4 (filler) select concat('NULL-', 15-a) from t2 order by a limit 15;
|
||||
@@ -413,4 +414,97 @@ explain select * from t1 where a < 20;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 range a a 5 NULL 20 Using index condition; Using MRR
|
||||
set optimizer_switch=@save_optimizer_switch;
|
||||
#
|
||||
# BUG#629684: Unreachable code in multi_range_read.cc in maria-5.3-dsmrr-cpk
|
||||
#
|
||||
delete from t0 where a > 2;
|
||||
insert into t0 values (NULL),(NULL);
|
||||
insert into t1 values (NULL, 1234), (NULL, 5678);
|
||||
set @save_join_cache_level=@@join_cache_level;
|
||||
set @@join_cache_level=6;
|
||||
explain
|
||||
select * from t0, t1 where t0.a<=>t1.a;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 ALL NULL NULL NULL NULL 5
|
||||
1 SIMPLE t1 ref a a 5 test.t0.a 1 Using index condition(BKA); Using join buffer (flat, BKA join)
|
||||
select * from t0, t1 where t0.a<=>t1.a;
|
||||
a a b
|
||||
0 0 0
|
||||
1 1 1
|
||||
2 2 2
|
||||
NULL NULL 1234
|
||||
NULL NULL 1234
|
||||
NULL NULL 5678
|
||||
NULL NULL 5678
|
||||
set @@join_cache_level=@save_join_cache_level;
|
||||
drop table t0, t1;
|
||||
#
|
||||
# BUG#625841: Assertion `!table || (!table->read_set || bitmap_is_set
|
||||
# (table->read_set, field_index))' on REPLACE ... SELECT with MRR
|
||||
#
|
||||
create table t0 (a int);
|
||||
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
|
||||
create table t1 (
|
||||
key1 varchar(10),
|
||||
col1 char(255), col2 char(255),
|
||||
col3 char(244), col4 char(255),
|
||||
key(key1)
|
||||
);
|
||||
create table t2 like t1;
|
||||
insert into t1
|
||||
select
|
||||
1000+A.a+100*B.a + 10*C.a,
|
||||
'col1val', 'col2val',
|
||||
'col3val', 'col4val'
|
||||
from t0 A, t0 B, t0 C;
|
||||
REPLACE INTO t2(col2,col3,col4)
|
||||
SELECT col2,col3,col4
|
||||
FROM t1
|
||||
WHERE `key1` LIKE CONCAT( LEFT( '1' , 7 ) , '%' )
|
||||
ORDER BY col1 LIMIT 7;
|
||||
drop table t0, t1, t2;
|
||||
#
|
||||
# BUG#670417: Diverging results in maria-5.3-mwl128-dsmrr-cpk with join buffer (incremental, BKA join)
|
||||
#
|
||||
set @save_join_cache_level = @@join_cache_level;
|
||||
set join_cache_level = 6;
|
||||
set @save_join_buffer_size=@@join_buffer_size;
|
||||
set join_buffer_size = 136;
|
||||
CREATE TABLE t1 (
|
||||
pk int(11) NOT NULL AUTO_INCREMENT,
|
||||
col_int_key int(11) NOT NULL,
|
||||
col_varchar_key varchar(1) NOT NULL,
|
||||
col_varchar_nokey varchar(1) NOT NULL,
|
||||
PRIMARY KEY (pk),
|
||||
KEY col_varchar_key (col_varchar_key,col_int_key)
|
||||
);
|
||||
INSERT INTO t1 VALUES
|
||||
(10,8,'v','v'),(11,8,'f','f'), (12,5,'v','v'),
|
||||
(13,8,'s','s'),(14,8,'a','a'),(15,6,'p','p'),
|
||||
(16,7,'z','z'),(17,2,'a','a'),(18,5,'h','h'),
|
||||
(19,7,'h','h'),(20,2,'v','v'),(21,9,'v','v'),
|
||||
(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');
|
||||
SELECT COUNT(*)
|
||||
FROM
|
||||
t1 AS table2, t1 AS table3
|
||||
where
|
||||
table3.col_varchar_key = table2.col_varchar_key AND
|
||||
table3.col_varchar_key = table2.col_varchar_nokey AND
|
||||
table3.pk<>0;
|
||||
COUNT(*)
|
||||
50
|
||||
EXPLAIN SELECT COUNT(*)
|
||||
FROM
|
||||
t1 AS table2, t1 AS table3
|
||||
where
|
||||
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 index condition(BKA); Using where; Using join buffer (flat, BKA join)
|
||||
set join_cache_level= @save_join_cache_level;
|
||||
set join_buffer_size= @save_join_buffer_size;
|
||||
drop table t1;
|
||||
|
||||
@@ -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_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on
|
||||
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,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
|
||||
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_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on
|
||||
index_merge=off,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=on,index_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,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
|
||||
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_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on
|
||||
index_merge=off,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,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
|
||||
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_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on
|
||||
index_merge=on,index_merge_union=on,index_merge_sort_union=off,index_merge_intersection=on,index_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,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
|
||||
set optimizer_switch=4;
|
||||
ERROR 42000: Variable 'optimizer_switch' can't be set to the value of '4'
|
||||
set optimizer_switch=NULL;
|
||||
@@ -43,57 +43,57 @@ 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_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on
|
||||
index_merge=off,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=on,index_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,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
|
||||
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_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on
|
||||
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,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
|
||||
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_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on
|
||||
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,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
|
||||
#
|
||||
# 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_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on
|
||||
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,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
|
||||
|
||||
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_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on
|
||||
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,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
|
||||
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_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=off,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on
|
||||
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=off,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,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
|
||||
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_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=on,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on
|
||||
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=on,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,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
|
||||
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_condition_pushdown=on,firstmatch=on,loosescan=off,materialization=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on
|
||||
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_condition_pushdown=on,firstmatch=on,loosescan=off,materialization=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,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
|
||||
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_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=off,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on
|
||||
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=off,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,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
|
||||
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_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=off,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on
|
||||
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_condition_pushdown=on,firstmatch=on,loosescan=on,materialization=off,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,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
|
||||
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_condition_pushdown=on,firstmatch=on,loosescan=off,materialization=off,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on
|
||||
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_condition_pushdown=on,firstmatch=on,loosescan=off,materialization=off,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,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
|
||||
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_condition_pushdown=on,firstmatch=on,loosescan=off,materialization=on,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on
|
||||
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_condition_pushdown=on,firstmatch=on,loosescan=off,materialization=on,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,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
|
||||
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_condition_pushdown=on,firstmatch=on,loosescan=off,materialization=off,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on
|
||||
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_condition_pushdown=on,firstmatch=on,loosescan=off,materialization=off,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,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
|
||||
set optimizer_switch=default;
|
||||
|
||||
Reference in New Issue
Block a user