drop table if exists t1, t2; # # LP BUG#608744 # set @save_optimizer_switch=@@optimizer_switch; set @@optimizer_switch="materialization=on,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=off"; create table t1 (a1 char(1), a2 char(1)); insert into t1 values (NULL, 'b'); create table t2 (b1 char(1), b2 char(2)); insert into t2 values ('a','b'), ('c', 'd'); select * from t1 where (a1, a2) NOT IN (select b1, b2 from t2); a1 a2 drop table t1,t2; set @@optimizer_switch=@save_optimizer_switch; # # LP BUG#601156 # CREATE TABLE t1 (a1 int DEFAULT NULL, a2 int DEFAULT NULL); INSERT INTO t1 VALUES (NULL,2); INSERT INTO t1 VALUES (4,NULL); CREATE TABLE t2 (b1 int DEFAULT NULL, b2 int DEFAULT NULL); INSERT INTO t2 VALUES (6,NULL); INSERT INTO t2 VALUES (NULL,0); set @save_optimizer_switch=@@optimizer_switch; set @@optimizer_switch='materialization=on,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=on'; EXPLAIN EXTENDED SELECT * FROM (SELECT * FROM t1 WHERE a1 NOT IN (SELECT b2 FROM t2)) table1; id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where 3 SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Warnings: Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (not((`test`.`t1`.`a1`,`test`.`t1`.`a1` in ( (select `test`.`t2`.`b2` from `test`.`t2` ), (`test`.`t1`.`a1` in on distinct_key where ((`test`.`t1`.`a1` = ``.`b2`))))))) DROP TABLE t1, t2; set @@optimizer_switch=@save_optimizer_switch; # # LP BUG#613009 Crash in Ordered_key::get_field_idx # set @save_optimizer_switch=@@optimizer_switch; set @@optimizer_switch='materialization=on,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=off'; create table t1 (a1 char(3) DEFAULT NULL, a2 char(3) DEFAULT NULL); insert into t1 values (NULL, 'a21'), (NULL, 'a22'); explain select * from t1 where (a1, a2) not in (select a1, a2 from t1); id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where 2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 select * from t1 where (a1, a2) not in (select a1, a2 from t1); a1 a2 drop table t1; set @@optimizer_switch=@save_optimizer_switch; # # LP BUG#680058 void Ordered_key::add_key(rownum_t): # Assertion `key_buff_elements && cur_key_idx < key_buff_elements' failed # create table t1 (f1 char(1), f2 char(1)); insert into t1 values ('t', '0'), ('0', 't'); create table t2 (f3 char(1), f4 char(1)); insert into t2 values ('t', NULL), ('t', NULL), ('d', 'y'); set @save_optimizer_switch=@@optimizer_switch; SET @@optimizer_switch='materialization=on,partial_match_rowid_merge=on,partial_match_table_scan=off,semijoin=off'; select * from t1 where (f1, f2) not in (select * from t2); f1 f2 0 t set @@optimizer_switch=@save_optimizer_switch; drop table t1, t2;