EVOLUTION-MANAGER

Edit File: xtradb_mrr.result

drop table if exists t1,t2,t3,t4; set @save_storage_engine= @@storage_engine; set storage_engine=InnoDB; set @innodb_mrr_tmp=@@optimizer_switch; set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on'; create table t1(a int); show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); create table t2(a int); insert into t2 select A.a + 10*(B.a + 10*C.a) from t1 A, t1 B, t1 C; create table t3 ( a char(8) not null, b char(8) not null, filler char(200), key(a) ); insert into t3 select @a:=concat('c-', 1000+ A.a, '=w'), @a, 'filler' from t2 A; insert into t3 select concat('c-', 1000+A.a, '=w'), concat('c-', 2000+A.a, '=w'), 'filler-1' from t2 A; insert into t3 select concat('c-', 1000+A.a, '=w'), concat('c-', 3000+A.a, '=w'), 'filler-2' from t2 A; select a,filler from t3 where a >= 'c-9011=w'; a filler select a,filler from t3 where a >= 'c-1011=w' and a <= 'c-1015=w'; a filler c-1011=w filler c-1012=w filler c-1013=w filler c-1014=w filler c-1015=w filler c-1011=w filler-1 c-1012=w filler-1 c-1013=w filler-1 c-1014=w filler-1 c-1015=w filler-1 c-1011=w filler-2 c-1012=w filler-2 c-1013=w filler-2 c-1014=w filler-2 c-1015=w filler-2 select a,filler from t3 where (a>='c-1011=w' and a <= 'c-1013=w') or (a>='c-1014=w' and a <= 'c-1015=w'); a filler c-1011=w filler c-1012=w filler c-1013=w filler c-1014=w filler c-1015=w filler c-1011=w filler-1 c-1012=w filler-1 c-1013=w filler-1 c-1014=w filler-1 c-1015=w filler-1 c-1011=w filler-2 c-1012=w filler-2 c-1013=w filler-2 c-1014=w filler-2 c-1015=w filler-2 insert into t3 values ('c-1013=z', 'c-1013=z', 'err'); insert into t3 values ('a-1014=w', 'a-1014=w', 'err'); select a,filler from t3 where (a>='c-1011=w' and a <= 'c-1013=w') or (a>='c-1014=w' and a <= 'c-1015=w'); a filler c-1011=w filler c-1012=w filler c-1013=w filler c-1014=w filler c-1015=w filler c-1011=w filler-1 c-1012=w filler-1 c-1013=w filler-1 c-1014=w filler-1 c-1015=w filler-1 c-1011=w filler-2 c-1012=w filler-2 c-1013=w filler-2 c-1014=w filler-2 c-1015=w filler-2 delete from t3 where b in ('c-1013=z', 'a-1014=w'); select a,filler from t3 where a='c-1011=w' or a='c-1012=w' or a='c-1013=w' or a='c-1014=w' or a='c-1015=w'; a filler c-1011=w filler c-1012=w filler c-1013=w filler c-1014=w filler c-1015=w filler c-1011=w filler-1 c-1012=w filler-1 c-1013=w filler-1 c-1014=w filler-1 c-1015=w filler-1 c-1011=w filler-2 c-1012=w filler-2 c-1013=w filler-2 c-1014=w filler-2 c-1015=w filler-2 insert into t3 values ('c-1013=w', 'del-me', 'inserted'); select a,filler from t3 where a='c-1011=w' or a='c-1012=w' or a='c-1013=w' or a='c-1014=w' or a='c-1015=w'; a filler c-1011=w filler c-1012=w filler c-1013=w filler c-1014=w filler c-1015=w filler c-1011=w filler-1 c-1012=w filler-1 c-1013=w filler-1 c-1014=w filler-1 c-1015=w filler-1 c-1011=w filler-2 c-1012=w filler-2 c-1013=w filler-2 c-1014=w filler-2 c-1015=w filler-2 c-1013=w inserted delete from t3 where b='del-me'; alter table t3 add primary key(b); select b,filler from t3 where (b>='c-1011=w' and b<= 'c-1018=w') or b IN ('c-1019=w', 'c-1020=w', 'c-1021=w', 'c-1022=w', 'c-1023=w', 'c-1024=w'); b filler c-1011=w filler c-1012=w filler c-1013=w filler c-1014=w filler c-1015=w filler c-1016=w filler c-1017=w filler c-1018=w filler c-1019=w filler c-1020=w filler c-1021=w filler c-1022=w filler c-1023=w filler c-1024=w filler select b,filler from t3 where (b>='c-1011=w' and b<= 'c-1020=w') or b IN ('c-1021=w', 'c-1022=w', 'c-1023=w'); b filler c-1011=w filler c-1012=w filler c-1013=w filler c-1014=w filler c-1015=w filler c-1016=w filler c-1017=w filler c-1018=w filler c-1019=w filler c-1020=w filler c-1021=w filler c-1022=w filler c-1023=w filler select b,filler from t3 where (b>='c-1011=w' and b<= 'c-1018=w') or b IN ('c-1019=w', 'c-1020=w') or (b>='c-1021=w' and b<= 'c-1023=w'); b filler c-1011=w filler c-1012=w filler c-1013=w filler c-1014=w filler c-1015=w filler c-1016=w filler c-1017=w filler c-1018=w filler c-1019=w filler 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; insert into t4 (a,b,c,filler) select 'b-1',NULL,'c-1', concat('NULL-', 15-a) from t2 order by a limit 15; insert into t4 (a,b,c,filler) select 'b-1',NULL,'c-222', concat('NULL-', 15-a) from t2 order by a limit 15; insert into t4 (a,b,c,filler) select 'bb-1',NULL,'cc-2', concat('NULL-', 15-a) from t2 order by a limit 15; insert into t4 (a,b,c,filler) select 'zz-1',NULL,'cc-2', 'filler-data' from t2 order by a limit 500; explain select * from t4 where a IS NULL and b IS NULL and (c IS NULL or c='no-such-row1' or c='no-such-row2'); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t4 range idx1 idx1 29 NULL 16 Using index condition; Using where; Rowid-ordered scan select * from t4 where a IS NULL and b IS NULL and (c IS NULL or c='no-such-row1' or c='no-such-row2'); a b c filler NULL NULL NULL NULL-15 NULL NULL NULL NULL-14 NULL NULL NULL NULL-13 NULL NULL NULL NULL-12 NULL NULL NULL NULL-11 NULL NULL NULL NULL-10 NULL NULL NULL NULL-9 NULL NULL NULL NULL-8 NULL NULL NULL NULL-7 NULL NULL NULL NULL-6 NULL NULL NULL NULL-5 NULL NULL NULL NULL-4 NULL NULL NULL NULL-3 NULL NULL NULL NULL-2 NULL NULL NULL NULL-1 explain select * from t4 where (a ='b-1' or a='bb-1') and b IS NULL and (c='c-1' or c='cc-2'); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t4 range idx1 idx1 29 NULL 32 Using index condition; Using where; Rowid-ordered scan select * from t4 where (a ='b-1' or a='bb-1') and b IS NULL and (c='c-1' or c='cc-2'); a b c filler b-1 NULL c-1 NULL-15 b-1 NULL c-1 NULL-14 b-1 NULL c-1 NULL-13 b-1 NULL c-1 NULL-12 b-1 NULL c-1 NULL-11 b-1 NULL c-1 NULL-10 b-1 NULL c-1 NULL-9 b-1 NULL c-1 NULL-8 b-1 NULL c-1 NULL-7 b-1 NULL c-1 NULL-6 b-1 NULL c-1 NULL-5 b-1 NULL c-1 NULL-4 b-1 NULL c-1 NULL-3 b-1 NULL c-1 NULL-2 b-1 NULL c-1 NULL-1 bb-1 NULL cc-2 NULL-15 bb-1 NULL cc-2 NULL-14 bb-1 NULL cc-2 NULL-13 bb-1 NULL cc-2 NULL-12 bb-1 NULL cc-2 NULL-11 bb-1 NULL cc-2 NULL-10 bb-1 NULL cc-2 NULL-9 bb-1 NULL cc-2 NULL-8 bb-1 NULL cc-2 NULL-7 bb-1 NULL cc-2 NULL-6 bb-1 NULL cc-2 NULL-5 bb-1 NULL cc-2 NULL-4 bb-1 NULL cc-2 NULL-3 bb-1 NULL cc-2 NULL-2 bb-1 NULL cc-2 NULL-1 select * from t4 ignore index(idx1) where (a ='b-1' or a='bb-1') and b IS NULL and (c='c-1' or c='cc-2'); a b c filler b-1 NULL c-1 NULL-15 b-1 NULL c-1 NULL-14 b-1 NULL c-1 NULL-13 b-1 NULL c-1 NULL-12 b-1 NULL c-1 NULL-11 b-1 NULL c-1 NULL-10 b-1 NULL c-1 NULL-9 b-1 NULL c-1 NULL-8 b-1 NULL c-1 NULL-7 b-1 NULL c-1 NULL-6 b-1 NULL c-1 NULL-5 b-1 NULL c-1 NULL-4 b-1 NULL c-1 NULL-3 b-1 NULL c-1 NULL-2 b-1 NULL c-1 NULL-1 bb-1 NULL cc-2 NULL-15 bb-1 NULL cc-2 NULL-14 bb-1 NULL cc-2 NULL-13 bb-1 NULL cc-2 NULL-12 bb-1 NULL cc-2 NULL-11 bb-1 NULL cc-2 NULL-10 bb-1 NULL cc-2 NULL-9 bb-1 NULL cc-2 NULL-8 bb-1 NULL cc-2 NULL-7 bb-1 NULL cc-2 NULL-6 bb-1 NULL cc-2 NULL-5 bb-1 NULL cc-2 NULL-4 bb-1 NULL cc-2 NULL-3 bb-1 NULL cc-2 NULL-2 bb-1 NULL cc-2 NULL-1 drop table t1, t2, t3, t4; create table t1 (a int, b int not null,unique key (a,b),index(b)); insert ignore into t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(null,7),(9,9),(8,8),(7,7),(null,9),(null,9),(6,6); Warnings: Warning 1062 Duplicate entry '6-6' for key 'a' create table t2 like t1; insert into t2 select * from t1; alter table t1 modify b blob not null, add c int not null, drop key a, add unique key (a,b(20),c), drop key b, add key (b(10)); select * from t1 where a is null; a b c NULL 7 0 NULL 9 0 NULL 9 0 select * from t1 where (a is null or a > 0 and a < 3) and b > 7 limit 3; a b c NULL 9 0 NULL 9 0 select * from t1 where a is null and b=9 or a is null and b=7 limit 3; a b c NULL 7 0 NULL 9 0 NULL 9 0 drop table t1, t2; set storage_engine= @save_storage_engine; set @mrr_buffer_size_save= @@mrr_buffer_size; set mrr_buffer_size=64; Warnings: Warning 1292 Truncated incorrect mrr_buffer_size value: '64' create table t1(a int); insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); create table t2(a char(8), b char(8), c char(8), filler char(100), key(a,b,c) ) engine=InnoDB; insert into t2 select concat('a-', 1000 + A.a, '-a'), concat('b-', 1000 + B.a, '-b'), concat('c-', 1000 + C.a, '-c'), 'filler' from t1 A, t1 B, t1 C; explain select count(length(a) + length(filler)) from t2 force index (a) where a>='a-1000-a' and a <'a-1001-a'; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 range a a 9 NULL 100 Using index condition; Rowid-ordered scan select count(length(a) + length(filler)) from t2 force index (a) where a>='a-1000-a' and a <'a-1001-a'; count(length(a) + length(filler)) 100 drop table t2; create table t2 (a char(100), b char(100), c char(100), d int, filler char(10), key(d), primary key (a,b,c)) engine= innodb; insert into t2 select A.a, B.a, B.a, A.a, 'filler' from t1 A, t1 B; explain select * from t2 force index (d) where d < 10; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 range d d 5 NULL # Using index condition; Rowid-ordered scan drop table t2; drop table t1; set @@mrr_buffer_size= @mrr_buffer_size_save; create table t1 (f1 int not null, f2 int not null,f3 int not null, f4 char(1), primary key (f1,f2), key ix(f3))Engine=InnoDB; select * from t1 where (f3>=5 and f3<=10) or (f3>=1 and f3<=4); f1 f2 f3 f4 1 1 1 A 2 2 2 A 3 3 3 A 4 4 4 A 5 5 5 A 6 6 6 A 7 7 7 A 8 8 8 A 9 9 9 A 10 10 10 A drop table t1; BUG#37977: Wrong result returned on GROUP BY + OR + Innodb CREATE TABLE t1 ( `pk` int(11) NOT NULL AUTO_INCREMENT, `int_nokey` int(11) NOT NULL, `int_key` int(11) NOT NULL, `date_key` date NOT NULL, `date_nokey` date NOT NULL, `time_key` time NOT NULL, `time_nokey` time NOT NULL, `datetime_key` datetime NOT NULL, `datetime_nokey` datetime NOT NULL, `varchar_key` varchar(5) DEFAULT NULL, `varchar_nokey` varchar(5) DEFAULT NULL, PRIMARY KEY (`pk`), KEY `int_key` (`int_key`), KEY `date_key` (`date_key`), KEY `time_key` (`time_key`), KEY `datetime_key` (`datetime_key`), KEY `varchar_key` (`varchar_key`) ) ENGINE=InnoDB; INSERT INTO t1 VALUES (1,5,5,'2009-10-16','2009-10-16','09:28:15','09:28:15','2007-09-14 05:34:08','2007-09-14 05:34:08','qk','qk'), (2,6,6,'0000-00-00','0000-00-00','23:06:39','23:06:39','0000-00-00 00:00:00','0000-00-00 00:00:00','j','j'), (3,10,10,'2000-12-18','2000-12-18','22:16:19','22:16:19','2006-11-04 15:42:50','2006-11-04 15:42:50','aew','aew'), (4,0,0,'2001-09-18','2001-09-18','00:00:00','00:00:00','2004-03-23 13:23:35','2004-03-23 13:23:35',NULL,NULL), (5,6,6,'2007-08-16','2007-08-16','22:13:38','22:13:38','2004-08-19 11:01:28','2004-08-19 11:01:28','qu','qu'); select pk from t1 WHERE `varchar_key` > 'kr' group by pk; pk 1 5 select pk from t1 WHERE `int_nokey` IS NULL OR `varchar_key` > 'kr' group by pk; pk 1 5 drop table t1; # # BUG#39447: Error with NOT NULL condition and LIMIT 1 # CREATE TABLE t1 ( id int(11) NOT NULL, parent_id int(11) DEFAULT NULL, name varchar(10) DEFAULT NULL, PRIMARY KEY (id), KEY ind_parent_id (parent_id) ) ENGINE=InnoDB; insert into t1 (id, parent_id, name) values (10,NULL,'A'), (20,10,'B'), (30,10,'C'), (40,NULL,'D'), (50,40,'E'), (60,40,'F'), (70,NULL,'J'); SELECT id FROM t1 WHERE parent_id IS NOT NULL ORDER BY id DESC LIMIT 1; id 60 This must show type=index, extra=Using where explain SELECT * FROM t1 FORCE INDEX (PRIMARY) WHERE parent_id IS NOT NULL ORDER BY id DESC LIMIT 1; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index NULL PRIMARY 4 NULL 1 Using where SELECT * FROM t1 WHERE parent_id IS NOT NULL ORDER BY id DESC LIMIT 1; id parent_id name 60 40 F drop table t1; # # BUG#628785: multi_range_read.cc:430: int DsMrr_impl::dsmrr_init(): Assertion `do_sort_keys || do_rowid_fetch' failed # set @save_join_cache_level= @@join_cache_level; set @save_optimizer_switch= @@optimizer_switch; SET SESSION join_cache_level=9; Warnings: Warning 1292 Truncated incorrect join_cache_level value: '9' SET SESSION optimizer_switch='mrr_sort_keys=off'; CREATE TABLE `t1` ( `pk` int(11) NOT NULL AUTO_INCREMENT, `col_int_nokey` int(11) DEFAULT NULL, `col_int_key` int(11) DEFAULT NULL, `col_varchar_key` varchar(1) DEFAULT NULL, `col_varchar_nokey` varchar(1) DEFAULT NULL, PRIMARY KEY (`pk`), KEY `col_varchar_key` (`col_varchar_key`,`col_int_key`) ) ENGINE=InnoDB AUTO_INCREMENT=101 DEFAULT CHARSET=latin1; INSERT INTO `t1` VALUES (1,6,NULL,'r','r'); INSERT INTO `t1` VALUES (2,8,0,'c','c'); INSERT INTO `t1` VALUES (97,7,0,'z','z'); INSERT INTO `t1` VALUES (98,1,1,'j','j'); INSERT INTO `t1` VALUES (99,7,8,'c','c'); INSERT INTO `t1` VALUES (100,2,5,'f','f'); SELECT table1 .`col_varchar_key` FROM t1 table1 STRAIGHT_JOIN ( t1 table3 JOIN t1 table4 ON table4 .`pk` = table3 .`col_int_nokey` ) ON table4 .`col_varchar_nokey` ; col_varchar_key Warnings: Warning 1292 Truncated incorrect DOUBLE value: 'r' Warning 1292 Truncated incorrect DOUBLE value: 'r' Warning 1292 Truncated incorrect DOUBLE value: 'r' Warning 1292 Truncated incorrect DOUBLE value: 'r' Warning 1292 Truncated incorrect DOUBLE value: 'r' Warning 1292 Truncated incorrect DOUBLE value: 'r' Warning 1292 Truncated incorrect DOUBLE value: 'c' Warning 1292 Truncated incorrect DOUBLE value: 'c' Warning 1292 Truncated incorrect DOUBLE value: 'c' Warning 1292 Truncated incorrect DOUBLE value: 'c' Warning 1292 Truncated incorrect DOUBLE value: 'c' Warning 1292 Truncated incorrect DOUBLE value: 'c' DROP TABLE t1; set join_cache_level=@save_join_cache_level; set optimizer_switch=@save_optimizer_switch; # # BUG#623300: Query with join_cache_level = 6 returns extra rows in maria-5.3-dsmrr-cpk # CREATE TABLE t1 ( pk int(11) NOT NULL AUTO_INCREMENT, col_int_nokey int(11) DEFAULT NULL, PRIMARY KEY (pk) ) ENGINE=InnoDB; INSERT INTO t1 VALUES (10,7); INSERT INTO t1 VALUES (11,1); INSERT INTO t1 VALUES (12,5); INSERT INTO t1 VALUES (13,3); INSERT INTO t1 VALUES (14,6); INSERT INTO t1 VALUES (15,92); INSERT INTO t1 VALUES (16,7); INSERT INTO t1 VALUES (17,NULL); INSERT INTO t1 VALUES (18,3); INSERT INTO t1 VALUES (19,5); INSERT INTO t1 VALUES (20,1); INSERT INTO t1 VALUES (21,2); INSERT INTO t1 VALUES (22,NULL); INSERT INTO t1 VALUES (23,1); INSERT INTO t1 VALUES (24,0); INSERT INTO t1 VALUES (25,210); INSERT INTO t1 VALUES (26,8); INSERT INTO t1 VALUES (27,7); INSERT INTO t1 VALUES (28,5); INSERT INTO t1 VALUES (29,NULL); CREATE TABLE t2 ( pk int(11) NOT NULL AUTO_INCREMENT, col_int_nokey int(11) DEFAULT NULL, PRIMARY KEY (pk) ) ENGINE=InnoDB; INSERT INTO t2 VALUES (1,NULL); INSERT INTO t2 VALUES (2,7); INSERT INTO t2 VALUES (3,9); INSERT INTO t2 VALUES (4,7); INSERT INTO t2 VALUES (5,4); INSERT INTO t2 VALUES (6,2); INSERT INTO t2 VALUES (7,6); INSERT INTO t2 VALUES (8,8); INSERT INTO t2 VALUES (9,NULL); INSERT INTO t2 VALUES (10,5); INSERT INTO t2 VALUES (11,NULL); INSERT INTO t2 VALUES (12,6); INSERT INTO t2 VALUES (13,188); INSERT INTO t2 VALUES (14,2); INSERT INTO t2 VALUES (15,1); INSERT INTO t2 VALUES (16,1); INSERT INTO t2 VALUES (17,0); INSERT INTO t2 VALUES (18,9); INSERT INTO t2 VALUES (19,NULL); INSERT INTO t2 VALUES (20,4); set @my_save_join_cache_level= @@join_cache_level; SET join_cache_level = 0; SELECT table2.col_int_nokey FROM t1 table1 JOIN t2 table2 ON table2.pk = table1.col_int_nokey WHERE table1.pk ; col_int_nokey 2 4 4 4 6 6 6 7 8 9 9 NULL NULL NULL SET join_cache_level = 6; SELECT table2.col_int_nokey FROM t1 table1 JOIN t2 table2 ON table2.pk = table1.col_int_nokey WHERE table1.pk ; col_int_nokey 2 4 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; # # BUG#623315: Query returns less rows when run with join_cache_level=6 on maria-5.3-dsmrr-cpk # CREATE TABLE t1 ( pk int(11) NOT NULL AUTO_INCREMENT, col_int_nokey int(11) DEFAULT NULL, col_int_key int(11) DEFAULT NULL, col_varchar_key varchar(1) DEFAULT 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 t1 VALUES (10,7,8,'v'); INSERT INTO t1 VALUES (11,1,9,'r'); INSERT INTO t1 VALUES (12,5,9,'a'); INSERT INTO t1 VALUES (13,3,186,'m'); INSERT INTO t1 VALUES (14,6,NULL,'y'); INSERT INTO t1 VALUES (15,92,2,'j'); 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'); INSERT INTO t1 VALUES (20,1,8,'b'); INSERT INTO t1 VALUES (21,2,5,'s'); INSERT INTO t1 VALUES (22,NULL,5,'e'); INSERT INTO t1 VALUES (23,1,8,'j'); INSERT INTO t1 VALUES (24,0,6,'e'); INSERT INTO t1 VALUES (25,210,51,'f'); INSERT INTO t1 VALUES (26,8,4,'v'); INSERT INTO t1 VALUES (27,7,7,'x'); INSERT INTO t1 VALUES (28,5,6,'m'); INSERT INTO t1 VALUES (29,NULL,4,'c'); set @my_save_join_cache_level= @@join_cache_level; SET join_cache_level=6; select count(*) from (SELECT table2.pk FROM t1 LEFT JOIN t1 table2 JOIN t1 table3 ON table3.col_varchar_key = table2.col_varchar_key ON table3.col_int_nokey) foo; count(*) 480 SET join_cache_level=0; select count(*) from (SELECT table2.pk FROM t1 LEFT JOIN t1 table2 JOIN t1 table3 ON table3.col_varchar_key = table2.col_varchar_key ON table3.col_int_nokey) foo; count(*) 480 set join_cache_level= @my_save_join_cache_level; drop table t1; # # BUG#671340: Diverging results in with mrr_sort_keys=ON|OFF and join_cache_level=5 # 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_int_key (col_int_key), KEY col_varchar_key (col_varchar_key,col_int_key) ) ENGINE=InnoDB; 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'); 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 Warnings: Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' Warning 1292 Truncated incorrect DOUBLE value: 'v' 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=1536; 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; # # BUG#665669: Result differences on query re-execution # create table t1 (pk int primary key, b int, c int default 0, index idx(b)) engine=innodb; insert into t1(pk,b) values (3, 30), (2, 20), (9, 90), (7, 70), (4, 40), (5, 50), (10, 100), (12, 120); set @bug665669_tmp=@@optimizer_switch; set optimizer_switch='mrr=off'; explain select * from t1 where b > 1000; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range idx idx 5 NULL 1 Using index condition # The following two must produce indentical results: select * from t1 where pk < 2 or pk between 3 and 4; pk b c 3 30 0 4 40 0 select * from t1 where pk < 2 or pk between 3 and 4; pk b c 3 30 0 4 40 0 drop table t1; set optimizer_switch = @bug665669_tmp; # # Bug#43360 - Server crash with a simple multi-table update # CREATE TABLE t1 ( a CHAR(2) NOT NULL PRIMARY KEY, b VARCHAR(20) NOT NULL, KEY (b) ) ENGINE=InnoDB; CREATE TABLE t2 ( a CHAR(2) NOT NULL PRIMARY KEY, b VARCHAR(20) NOT NULL, KEY (b) ) ENGINE=InnoDB; INSERT INTO t1 VALUES ('AB','MySQLAB'), ('JA','Sun Microsystems'), ('MS','Microsoft'), ('IB','IBM- Inc.'), ('GO','Google Inc.'); INSERT IGNORE INTO t2 VALUES ('AB','Sweden'), ('JA','USA'), ('MS','United States of America'), ('IB','North America'), ('GO','South America'); Warnings: Warning 1265 Data truncated for column 'b' at row 3 UPDATE t1,t2 SET t1.b=UPPER(t1.b) WHERE t1.b LIKE 'United%'; SELECT * FROM t1; a b GO Google Inc. IB IBM- Inc. MS Microsoft AB MySQLAB JA Sun Microsystems SELECT * FROM t2; a b IB North America GO South America AB Sweden MS United States of Ame JA USA DROP TABLE t1,t2; # # Testcase backport: Bug#43249 # (Note: Fixed by patch for BUG#42580) # CREATE TABLE t1(c1 TIME NOT NULL, c2 TIME NULL, c3 DATE, PRIMARY KEY(c1), UNIQUE INDEX(c2)) engine=innodb; INSERT INTO t1 VALUES('8:29:45',NULL,'2009-02-01'); SELECT * FROM t1 WHERE c2 <=> NULL ORDER BY c2 LIMIT 2; c1 c2 c3 08:29:45 NULL 2009-02-01 SELECT * FROM t1 WHERE c2 <=> NULL ORDER BY c2 LIMIT 2; c1 c2 c3 08:29:45 NULL 2009-02-01 drop table `t1`; # # BUG#707925: Wrong result with join_cache_level=6 optimizer_use_mrr = # force (incremental, BKA join) # set @_save_join_cache_level= @@join_cache_level; set join_cache_level = 6; CREATE TABLE t1 ( f1 int(11), f2 int(11), f3 varchar(1), f4 varchar(1), PRIMARY KEY (f1), KEY (f3), KEY (f2) ) ENGINE=InnoDB; INSERT INTO t1 VALUES ('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 ( SELECT alias1.f2 FROM t1 AS alias1 JOIN ( t1 AS alias2 FORCE KEY (f3) JOIN t1 AS alias3 FORCE KEY (f2) ON alias3.f2 = alias2.f2 AND alias3.f4 = alias2.f3 ) ON alias3.f1 <= alias2.f1 ) X; count(*) 361 set join_cache_level=@_save_join_cache_level; set optimizer_switch= @innodb_mrr_tmp; drop table t1;