SET @save_stats_persistent=@@GLOBAL.innodb_stats_persistent; SET GLOBAL innodb_stats_persistent=0; CREATE TABLE t1 (id int(11) NOT NULL PRIMARY KEY, name varchar(20), INDEX (name)) ENGINE=InnoDB; CREATE TABLE t2 (id int(11) NOT NULL PRIMARY KEY, fkey int(11), FOREIGN KEY (fkey) REFERENCES t2(id)) ENGINE=InnoDB; INSERT INTO t1 VALUES (1,'A1'),(2,'A2'),(3,'B'); INSERT INTO t2 VALUES (1,1),(2,2),(3,2),(4,3),(5,3); EXPLAIN SELECT COUNT(*) FROM t2 LEFT JOIN t1 ON t2.fkey = t1.id WHERE t1.name LIKE 'A%'; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range PRIMARY,name name 23 NULL 2 Using where; Using index 1 SIMPLE t2 ref fkey fkey 5 test.t1.id 1 Using index EXPLAIN SELECT COUNT(*) FROM t2 LEFT JOIN t1 ON t2.fkey = t1.id WHERE t1.name LIKE 'A%' OR FALSE; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range PRIMARY,name name 23 NULL 2 Using where; Using index 1 SIMPLE t2 ref fkey fkey 5 test.t1.id 1 Using index DROP TABLE t1,t2; # # BUG#58456: Assertion 0 in QUICK_INDEX_MERGE_SELECT::need_sorted_output # in opt_range.h # CREATE TABLE t1 ( col_int INT, col_int_key INT, pk INT NOT NULL, PRIMARY KEY (pk), KEY col_int_key (col_int_key) ) ENGINE=InnoDB; INSERT INTO t1 VALUES (NULL,1,1), (6,2,2), (5,3,3), (NULL,4,4); INSERT INTO t1 VALUES (1,NULL,6), (8,5,7), (NULL,8,8), (8,NULL,5); CREATE TABLE t2 ( pk INT PRIMARY KEY ) ENGINE=InnoDB; EXPLAIN SELECT t1.pk FROM t2 LEFT JOIN t1 ON t2.pk = t1.col_int WHERE t1.col_int_key BETWEEN 5 AND 6 AND t1.pk IS NULL OR t1.pk IN (5) ORDER BY pk; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables SELECT t1.pk FROM t2 LEFT JOIN t1 ON t2.pk = t1.col_int WHERE t1.col_int_key BETWEEN 5 AND 6 AND t1.pk IS NULL OR t1.pk IN (5) ORDER BY pk; pk DROP TABLE t1,t2; # End BUG#58456 CREATE TABLE t1(a int, b int, KEY (a), PRIMARY KEY (b)) ENGINE=InnoDB; CREATE TABLE t2 (b int, PRIMARY KEY (b)); INSERT INTO t2 VALUES (4),(9); SELECT STRAIGHT_JOIN t1.a FROM t1 RIGHT JOIN t2 ON t1.b = t2.b WHERE (t1.b NOT BETWEEN 1 AND 7 OR t1.a IS NULL AND t1.b = t2.b) AND t2.b = 4 GROUP BY 1; a DROP TABLE t1,t2; # Bug #59487: WRONG RESULT WITH STRAIGHT_JOIN AND RIGHT JOIN # CREATE TABLE t1 ( pk int(11) NOT NULL, col_varchar_10_latin1_key varchar(10) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1; INSERT INTO t1 VALUES (1,'1'); CREATE TABLE t2 ( pk int(11) NOT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1; INSERT INTO t2 VALUES (1); CREATE TABLE t3 ( pk int(11) NOT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1; INSERT INTO t3 VALUES (1); CREATE TABLE t4 ( pk int(11) NOT NULL, col_int int(11) DEFAULT NULL, col_int_key int(11) DEFAULT NULL, col_varchar_10_latin1_key varchar(10) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1; INSERT INTO t4 VALUES (1,1,1,'1'); CREATE TABLE t5 ( col_int int(11) DEFAULT NULL, col_varchar_10_utf8_key varchar(10) CHARACTER SET utf8 DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1; INSERT INTO t5 VALUES (1,'1'); CREATE TABLE t6 ( col_int_key int(11) DEFAULT NULL, col_varchar_10_latin1_key varchar(10) DEFAULT NULL, pk int(11) NOT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1; INSERT INTO t6 VALUES (1,'1',1); SELECT STRAIGHT_JOIN t6a.pk, t2.pk FROM t6 AS t6a LEFT JOIN ( t2 RIGHT JOIN ( (t1 LEFT JOIN (t4 JOIN t3 ON t4.col_int) ON t4.col_int_key = t1.pk) LEFT JOIN (t5 JOIN t6 AS t6b ON t5.col_varchar_10_utf8_key = t6b.col_varchar_10_latin1_key) ON t1.pk = t5.col_int ) ON t4.col_varchar_10_latin1_key = t1.col_varchar_10_latin1_key AND t5.col_varchar_10_utf8_key = 0 ) ON t6a.pk IS TRUE WHERE t6b.col_int_key IS TRUE; pk pk 1 NULL EXPLAIN SELECT STRAIGHT_JOIN t6a.pk, t2.pk FROM t6 AS t6a LEFT JOIN ( t2 RIGHT JOIN ( (t1 LEFT JOIN (t4 JOIN t3 ON t4.col_int) ON t4.col_int_key = t1.pk) LEFT JOIN (t5 JOIN t6 AS t6b ON t5.col_varchar_10_utf8_key = t6b.col_varchar_10_latin1_key) ON t1.pk = t5.col_int ) ON t4.col_varchar_10_latin1_key = t1.col_varchar_10_latin1_key AND t5.col_varchar_10_utf8_key = 0 ) ON t6a.pk IS TRUE WHERE t6b.col_int_key IS TRUE; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t6a ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t1 ALL NULL NULL NULL NULL 1 Using join buffer (flat, BNL join) 1 SIMPLE t4 ALL NULL NULL NULL NULL 1 Using where; Using join buffer (incremental, BNL join) 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using join buffer (incremental, BNL join) 1 SIMPLE t5 ALL NULL NULL NULL NULL 1 Using where; Using join buffer (incremental, BNL join) 1 SIMPLE t6b ALL NULL NULL NULL NULL 1 Using where; Using join buffer (incremental, BNL join) 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where; Using join buffer (incremental, BNL join) SELECT t6a.pk, t2.pk FROM t6 AS t6a LEFT JOIN ( t2 RIGHT JOIN ( (t1 LEFT JOIN (t4 JOIN t3 ON t4.col_int) ON t4.col_int_key = t1.pk) LEFT JOIN (t5 JOIN t6 AS t6b ON t5.col_varchar_10_utf8_key = t6b.col_varchar_10_latin1_key) ON t1.pk = t5.col_int ) ON t4.col_varchar_10_latin1_key = t1.col_varchar_10_latin1_key AND t5.col_varchar_10_utf8_key = 0 ) ON t6a.pk IS TRUE WHERE t6b.col_int_key IS TRUE; pk pk 1 NULL EXPLAIN SELECT t6a.pk, t2.pk FROM t6 AS t6a LEFT JOIN ( t2 RIGHT JOIN ( (t1 LEFT JOIN (t4 JOIN t3 ON t4.col_int) ON t4.col_int_key = t1.pk) LEFT JOIN (t5 JOIN t6 AS t6b ON t5.col_varchar_10_utf8_key = t6b.col_varchar_10_latin1_key) ON t1.pk = t5.col_int ) ON t4.col_varchar_10_latin1_key = t1.col_varchar_10_latin1_key AND t5.col_varchar_10_utf8_key = 0 ) ON t6a.pk IS TRUE WHERE t6b.col_int_key IS TRUE; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t6a ALL NULL NULL NULL NULL 1 Using where 1 SIMPLE t1 ALL NULL NULL NULL NULL 1 Using join buffer (flat, BNL join) 1 SIMPLE t4 ALL NULL NULL NULL NULL 1 Using where; Using join buffer (incremental, BNL join) 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 Using join buffer (incremental, BNL join) 1 SIMPLE t5 ALL NULL NULL NULL NULL 1 Using where; Using join buffer (incremental, BNL join) 1 SIMPLE t6b ALL NULL NULL NULL NULL 1 Using where; Using join buffer (incremental, BNL join) 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where; Using join buffer (incremental, BNL join) drop table t1,t2,t3,t4,t5,t6; # Bug mdev-4318: view over a complex query with outer joins # CREATE TABLE t1 ( a1 int NOT NULL, a2 int NOT NULL, a3 int DEFAULT NULL, a4 tinyint NOT NULL, a5 int NOT NULL, a6 tinyint NOT NULL, a7 tinyint(4) DEFAULT NULL, a8 smallint(6) DEFAULT NULL, a9 smallint(6) DEFAULT NULL, a10 tinyint NOT NULL, PRIMARY KEY (a1), KEY a2 (a2), KEY a3 (a3), KEY a4 (a4), KEY a6 (a6), KEY a5 (a5), KEY a7 (a7), KEY a8 (a8), KEY a9 (a9) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; INSERT IGNORE INTO t1 VALUES (3360,5684,2219,1,316832,1,0,NULL,NULL,NULL), (3362,2754,597,2,316844,1,0,NULL,NULL,NULL), (3363,369,NULL,1,317295,1,0,NULL,NULL,NULL); Warnings: Warning 1048 Column 'a10' cannot be null Warning 1048 Column 'a10' cannot be null Warning 1048 Column 'a10' cannot be null CREATE TABLE t2 ( b1 int NOT NULL, b2 int NOT NULL, PRIMARY KEY (b1,b2), KEY b2 (b2) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; CREATE TABLE t3 ( c1 int NOT NULL, PRIMARY KEY (c1) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; INSERT INTO t3 VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12), (1000),(1001),(1002),(1003),(9999); CREATE TABLE t4 ( d1 int NOT NULL, PRIMARY KEY (d1) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; INSERT INTO t4 VALUES (5674),(5676),(5680),(5684),(5685); CREATE TABLE t5 ( e1 int NOT NULL, e2 varchar(64) NOT NULL, PRIMARY KEY (e1) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; INSERT INTO t5 VALUES (5684,'51a5de7a9f56314e082094d78f58be082c3cf0c1'), (5685,'754dc8292cb9f5eb9ade126fe7e961c62412a349'), (5686,'75eeb33f1c819bac21f6d023b4c5b24185eeda5c'); CREATE TABLE t6 ( f1 int NOT NULL, PRIMARY KEY (f1) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; INSERT INTO t6 VALUES (5542),(5620),(5686); CREATE TABLE t7 ( g1 tinyint NOT NULL DEFAULT '0', g2 varchar(20) NOT NULL, PRIMARY KEY (g1) ) ENGINE=InnoDB DEFAULT CHARSET=latin1; INSERT INTO t7 VALUES (1,'60feec2b20ed19f55ad0'),(3,'9ddb18bff7fcbd1e3133'), (5,'a05599df9222bb160d11'),(7,'e31bae372f7d01df0589'), (9,'8f8372dd7fc8eb46c8a3'),(11,'f8d0e28529e990a09309'); CREATE TABLE t8 ( h1 tinyint NOT NULL, h2 varchar(128) DEFAULT NULL, PRIMARY KEY (h1) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; INSERT INTO t8 VALUES (1,'b'),(2,'c'),(3,'d'),(4,'e'); CREATE TABLE t9 ( i1 tinyint NOT NULL, i2 varchar(7) NOT NULL, i3 varchar(128) NOT NULL, PRIMARY KEY (i1,i2), KEY i2 (i2), KEY i3 (i3) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; INSERT INTO t9 VALUES (2,'a','07630d223c7e5f7b1feb19b3caafb0833fd028eb'), (3,'b','1ca53dcc50b68af86f4b1b4676dbed917b543c30'), (1,'b','2c01ac36c1ce9a7de66be89f85d8aa5f0052e2e8'), (4,'a','496c486b3a9edc439477fef7d34cbefdebba86df'), (3,'a','98bf72d8d467201058a5f69bd7709bfc74a8637e'), (2,'b','9a45425f6160fb59d7f8a02c721498d4ce945302'), (4,'b','9c9a7300f3e708f8e430f9f3376d966f5951f583'), (1,'a','c0af3f076b905f31cbb51af304b9c7ad539e0861'); CREATE TABLE t10 ( j1 tinyint NOT NULL, j2 varchar(20) NOT NULL, PRIMARY KEY (j1) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; INSERT INTO t10 VALUES (1,'b'),(2,'c'),(3,'d'); CREATE TABLE t11 ( k1 int NOT NULL, k2 datetime DEFAULT NULL, k3 int DEFAULT NULL, k4 int DEFAULT NULL, PRIMARY KEY (k1), KEY k3 (k3), KEY k4 (k4) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; INSERT INTO t11 VALUES (317422,'2013-03-18 11:43:03',1,NULL),(317423,'2013-03-18 11:43:11',1,NULL), (317424,'2013-03-18 11:52:01',1,1),(317425,'2013-03-18 11:52:01',1,1), (317426,'2013-03-18 11:56:38',1,1),(317427,'2013-03-18 12:18:25',1,NULL), (317428,'2013-03-18 12:46:28',1,NULL),(317429,'2013-03-18 12:46:28',1,NULL), (317430,'2013-03-18 12:46:28',1,NULL),(317431,'2013-03-18 12:46:28',1,NULL), (317432,'2013-03-18 12:46:28',1,NULL),(317433,'2013-03-18 12:46:28',1,NULL), (317434,'2013-03-18 12:46:28',1,NULL),(317435,'2013-03-18 12:46:28',1,NULL), (317436,'2013-03-18 12:46:28',1,NULL),(317437,'2013-03-18 12:46:28',1,NULL), (317438,'2013-03-18 12:46:28',1,NULL),(317439,'2013-03-18 12:46:28',1,NULL), (317440,'2013-03-18 12:55:20',1,NULL),(317441,'2013-03-18 12:58:29',1,NULL), (317442,'2013-03-18 13:06:02',1,NULL),(317443,'2013-03-18 15:23:18',21,NULL); CREATE TABLE t12 ( l1 int NOT NULL, l2 varchar(64) NOT NULL, PRIMARY KEY (l1) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; INSERT INTO t12 VALUES (552,'59a498252ef59f96fbdc13a414abe244d8e8bc30'), (554,'c6025c7cb2d9dfb1be7ce4a61f35b45bb9e61ba3'), (555,'b245bcc672082bb6d10794b2b4ac972dd14b1cf5'); CREATE TABLE t13 ( m1 int NOT NULL, m2 int NOT NULL, m3 int NOT NULL, PRIMARY KEY (m1,m2,m3), KEY m3 (m3), KEY m2 (m2) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; INSERT INTO t13 VALUES (3324,43,4),(3332,263,1),(3348,27,3); CREATE TABLE t14 ( n1 smallint NOT NULL, n2 varchar(64) NOT NULL, PRIMARY KEY (n1) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; INSERT INTO t14 VALUES (21,'685bf7ca576af964c7cff564d5e4473b81499b8b'), (23,'b8e42dab1ab952406b3accfb47089c61478138a8'), (25,'3fea441e411db8c70bf039b50c8f18f59515be53'), (27,'998aecc30fd0e0b8a1cac6590e5eccc2d7822223'); CREATE TABLE t15 ( o1 smallint NOT NULL, PRIMARY KEY (o1) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; INSERT INTO t15 VALUES (1),(3); CREATE TABLE t16 ( p1 smallint NOT NULL, p2 varchar(7) NOT NULL, p3 varchar(64) NOT NULL, PRIMARY KEY (p1,p2) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; INSERT INTO t16 VALUES (1,'a','66bdbb389456f3ae97206da115a7b397c31400e8'), (1,'b','66bdbb389456f3ae97206da115a7b397c31400e8'), (3,'a','386c10e454278c6e27feb16258089166422f79b4'), (3,'b','386c10e454278c6e27feb16258089166422f79b4'); create view v1 as select t3.c1,t5.e2,t1.a1,t14.n2,t16.p3,t10.j2,t7.g2,t11.k2,l3.l2, t9.i3,t12.l2 AS l_l2,l2.l2 AS l2_l2,l4.l1 AS l4_l1,t6.f1 from ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( t1 left join t2 on t1.a1 = t2.b1 ) left join t3 on t2.b2 = t3.c1 ) left join t4 on t1.a2 = t4.d1 ) left join t5 on t4.d1 = t5.e1 ) left join t6 on t1.a3 = t6.f1 ) left join t5 e2 on t6.f1 = e2.e1 ) join t7 on t1.a7 = t7.g1 ) join t8 on t1.a4 = t8.h1 ) join t9 on t8.h1 = t9.i1 ) join t10 on t1.a6 = t10.j1 ) join t11 on t1.a5 = t11.k1 ) left join t12 on t11.k3 = t12.l1 ) left join t12 l2 on t11.k4 = l2.l1 ) left join t13 on t1.a1 = t13.m1 and t13.m3 = 4 ) left join t12 l4 on l4.l1 = t13.m2 ) left join t13 m2 on t1.a1 = m2.m1 and m2.m3 = 3 ) left join t12 l3 on l3.l1 = m2.m2 ) left join t14 on t1.a8 = t14.n1 ) left join t15 on t1.a9 = t15.o1 ) left join t16 on t15.o1 = t16.p1 where t1.a10 = 1; explain select t3.c1,t5.e2,t1.a1,t14.n2,t16.p3,t10.j2,t7.g2,t11.k2,l3.l2, t9.i3,t12.l2 AS l_l2,l2.l2 AS l2_l2,l4.l1 AS l4_l1,t6.f1 from ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( t1 left join t2 on t1.a1 = t2.b1 ) left join t3 on t2.b2 = t3.c1 ) left join t4 on t1.a2 = t4.d1 ) left join t5 on t4.d1 = t5.e1 ) left join t6 on t1.a3 = t6.f1 ) left join t5 e2 on t6.f1 = e2.e1 ) join t7 on t1.a7 = t7.g1 ) join t8 on t1.a4 = t8.h1 ) join t9 on t8.h1 = t9.i1 ) join t10 on t1.a6 = t10.j1 ) join t11 on t1.a5 = t11.k1 ) left join t12 on t11.k3 = t12.l1 ) left join t12 l2 on t11.k4 = l2.l1 ) left join t13 on t1.a1 = t13.m1 and t13.m3 = 4 ) left join t12 l4 on l4.l1 = t13.m2 ) left join t13 m2 on t1.a1 = m2.m1 and m2.m3 = 3 ) left join t12 l3 on l3.l1 = m2.m2 ) left join t14 on t1.a8 = t14.n1 ) left join t15 on t1.a9 = t15.o1 ) left join t16 on t15.o1 = t16.p1 where t1.a10 = 1; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL a4,a6,a5,a7 NULL NULL NULL 3 Using where 1 SIMPLE t2 ref PRIMARY PRIMARY 4 test.t1.a1 1 Using index 1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.b2 1 Using where; Using index 1 SIMPLE t8 eq_ref PRIMARY PRIMARY 1 test.t1.a4 1 Using index 1 SIMPLE t4 eq_ref PRIMARY PRIMARY 4 test.t1.a2 1 Using index 1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.d1 1 Using where 1 SIMPLE t6 eq_ref PRIMARY PRIMARY 4 test.t1.a3 1 Using where; Using index 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 1 test.t1.a7 1 1 SIMPLE t11 eq_ref PRIMARY PRIMARY 4 test.t1.a5 1 1 SIMPLE t12 eq_ref PRIMARY PRIMARY 4 test.t11.k3 1 Using where 1 SIMPLE l2 eq_ref PRIMARY PRIMARY 4 test.t11.k4 1 Using where 1 SIMPLE t9 ref PRIMARY PRIMARY 1 test.t1.a4 1 1 SIMPLE t13 ref PRIMARY,m3 m3 8 const,test.t1.a1 1 Using index 1 SIMPLE l4 eq_ref PRIMARY PRIMARY 4 test.t13.m2 1 Using where; Using index 1 SIMPLE m2 ref PRIMARY,m3 m3 8 const,test.t1.a1 1 Using index 1 SIMPLE l3 eq_ref PRIMARY PRIMARY 4 test.m2.m2 1 Using where 1 SIMPLE t14 eq_ref PRIMARY PRIMARY 2 test.t1.a8 1 Using where 1 SIMPLE t15 eq_ref PRIMARY PRIMARY 2 test.t1.a9 1 Using where; Using index 1 SIMPLE t16 ref PRIMARY PRIMARY 2 test.t15.o1 1 Using where 1 SIMPLE t10 ALL PRIMARY NULL NULL NULL 3 Using where; Using join buffer (flat, BNL join) explain select * from v1; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL a4,a6,a5,a7 NULL NULL NULL 3 Using where 1 SIMPLE t2 ref PRIMARY PRIMARY 4 test.t1.a1 1 Using index 1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.b2 1 Using where; Using index 1 SIMPLE t8 eq_ref PRIMARY PRIMARY 1 test.t1.a4 1 Using index 1 SIMPLE t4 eq_ref PRIMARY PRIMARY 4 test.t1.a2 1 Using index 1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.d1 1 Using where 1 SIMPLE t6 eq_ref PRIMARY PRIMARY 4 test.t1.a3 1 Using where; Using index 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 1 test.t1.a7 1 1 SIMPLE t11 eq_ref PRIMARY PRIMARY 4 test.t1.a5 1 1 SIMPLE t12 eq_ref PRIMARY PRIMARY 4 test.t11.k3 1 Using where 1 SIMPLE l2 eq_ref PRIMARY PRIMARY 4 test.t11.k4 1 Using where 1 SIMPLE t9 ref PRIMARY PRIMARY 1 test.t1.a4 1 1 SIMPLE t13 ref PRIMARY,m3 m3 8 const,test.t1.a1 1 Using index 1 SIMPLE l4 eq_ref PRIMARY PRIMARY 4 test.t13.m2 1 Using where; Using index 1 SIMPLE m2 ref PRIMARY,m3 m3 8 const,test.t1.a1 1 Using index 1 SIMPLE l3 eq_ref PRIMARY PRIMARY 4 test.m2.m2 1 Using where 1 SIMPLE t14 eq_ref PRIMARY PRIMARY 2 test.t1.a8 1 Using where 1 SIMPLE t15 eq_ref PRIMARY PRIMARY 2 test.t1.a9 1 Using where; Using index 1 SIMPLE t16 ref PRIMARY PRIMARY 2 test.t15.o1 1 Using where 1 SIMPLE t10 ALL PRIMARY NULL NULL NULL 3 Using where; Using join buffer (flat, BNL join) drop view v1; drop table t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13,t14,t15,t16; # # MDEV-4270: crash in fix_semijoin_strategies_for_picked_join_order # drop table if exists t1,t2,t3; Warnings: Note 1051 Unknown table 'test.t1,test.t2,test.t3' create table t2(a int,unique key (a)) engine=innodb; create table t3(b int) engine=innodb; create table t1(c int,b int)engine=innodb; set @mdev4270_opl= @@optimizer_prune_level; set @mdev4270_osd= @@optimizer_search_depth; set optimizer_prune_level=0; set optimizer_search_depth=2; select 1 from t1 join t2 a natural left join t2 b natural right outer join t3; 1 drop table t1,t2,t3; set optimizer_prune_level=@mdev4270_opl; set optimizer_search_depth=@mdev4270_osd; # # Bug #20939184:INNODB: UNLOCK ROW COULD NOT FIND A 2 MODE LOCK ON THE # RECORD # CREATE TABLE t1 (c1 INT, c2 INT, c3 INT, PRIMARY KEY (c1,c2) ) engine=innodb; CREATE TABLE t2 (c1 INT, c2 INT, c3 INT, PRIMARY KEY (c1), KEY (c2)) engine=innodb; INSERT INTO t1 VALUES (1,2,3),(2,3,4),(3,4,5); INSERT INTO t2 SELECT * FROM t1; SET TRANSACTION ISOLATION LEVEL READ COMMITTED; START TRANSACTION; SELECT * FROM t1 LEFT JOIN t2 ON t1.c2=t2.c2 AND t2.c1=1 FOR UPDATE; c1 c2 c3 c1 c2 c3 1 2 3 1 2 3 2 3 4 NULL NULL NULL 3 4 5 NULL NULL NULL UPDATE t1 LEFT JOIN t2 ON t1.c1 = t2.c2 AND t2.c1 = 3 SET t1.c3 = RAND()*10; COMMIT; SET TRANSACTION ISOLATION LEVEL REPEATABLE READ; DROP TABLE t1,t2; SET GLOBAL innodb_stats_persistent=@save_stats_persistent;