PREPARE stmt1 FROM " SELECT table_name FROM information_schema.tables WHERE table_name = 't1_first' UNION ALL SELECT table_name FROM information_schema.tables WHERE table_name = 't1_second'"; execute stmt1; table_name execute stmt1; table_name create or replace table t1 (a int primary key, table_name char(40)); insert into t1 values(1,"t1_first"); insert into t1 values(2,"t1_second"); PREPARE stmt2 FROM " SELECT table_name FROM t1 WHERE table_name = 't1_first' UNION ALL SELECT table_name FROM t1 WHERE table_name = 't1_second'"; execute stmt2; table_name t1_first t1_second execute stmt2; table_name t1_first t1_second flush tables; execute stmt2; table_name t1_first t1_second alter table t1 add column b int; execute stmt2; table_name t1_first t1_second execute stmt2; table_name t1_first t1_second drop table t1; execute stmt2; ERROR 42S02: Table 'test.t1' doesn't exist create or replace table t1 (a int primary key, table_name char(40)); insert into t1 values(1,"t1_first"); execute stmt2; table_name t1_first deallocate prepare stmt1; deallocate prepare stmt2; drop table t1; # # MDEV-25808 PREPARE/EXECUTE makes signed integer out of unsigned # prepare p1 from 'select concat(?)'; execute p1 using 17864960750176564435; concat(?) 17864960750176564435 prepare p1 from 'select SQRT(?) is not null'; execute p1 using 17864960750176564435; SQRT(?) is not null 1 # # End of 10.3 tests # # # MDEV-17869 AddressSanitizer: use-after-poison in Item_change_list::rollback_item_tree_changes # create table t1 (pk int, v1 varchar(1)); insert t1 values (1,'v'),(2,'v'),(3,'c'); create table t2 (pk int, v1 varchar(1)); insert t2 values (1,'x'); create table t3 (pk int, i1 int, v1 varchar(1)); insert t3 values (10,8,9); execute immediate 'select straight_join 1 from (t1 join t2 on (t1.v1 = t2.v1)) where (3, 6) in (select tc.pk, t3.i1 from (t3 join t1 as tc on (tc.v1 = t3.v1)) having tc.pk > 1 );'; 1 drop table t1, t2, t3; # # End of 10.4 tests #