stop slave; drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9; reset master; reset slave; drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9; start slave; reset master; CREATE USER ''@localhost; SET @save_select_limit=@@session.sql_select_limit; SET @@session.sql_select_limit=10, @@session.pseudo_thread_id=100; ERROR 42000: Access denied; you need (at least one of) the SUPER privilege(s) for this operation SELECT @@session.sql_select_limit = @save_select_limit; @@session.sql_select_limit = @save_select_limit 1 SET @@session.sql_select_limit=10, @@session.sql_log_bin=0; ERROR 42000: Access denied; you need (at least one of) the SUPER privilege(s) for this operation SELECT @@session.sql_select_limit = @save_select_limit; @@session.sql_select_limit = @save_select_limit 1 SET @@session.pseudo_thread_id=100; SET @@session.pseudo_thread_id=connection_id(); SET @@session.sql_log_bin=0; SET @@session.sql_log_bin=1; drop table if exists t1,t2; create table t1(f int); create table t2(f int); insert into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10); create temporary table t3(f int); insert into t3 select * from t1 where f<6; create temporary table t3(f int); insert into t2 select count(*) from t3; insert into t3 select * from t1 where f>=4; drop temporary table t3; insert into t2 select count(*) from t3; drop temporary table t3; select * from t2 ORDER BY f; f 5 7 drop table t1, t2; use test; SET TIMESTAMP=1040323920; create table t1(f int); SET TIMESTAMP=1040323931; create table t2(f int); SET TIMESTAMP=1040323938; insert into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10); SET TIMESTAMP=1040323945; SET @@session.pseudo_thread_id=1; create temporary table t3(f int); SET TIMESTAMP=1040323952; SET @@session.pseudo_thread_id=1; insert into t3 select * from t1 where f<6; SET TIMESTAMP=1040324145; SET @@session.pseudo_thread_id=2; create temporary table t3(f int); SET TIMESTAMP=1040324186; SET @@session.pseudo_thread_id=1; insert into t2 select count(*) from t3; SET TIMESTAMP=1040324200; SET @@session.pseudo_thread_id=2; insert into t3 select * from t1 where f>=4; SET TIMESTAMP=1040324211; SET @@session.pseudo_thread_id=1; drop temporary table t3; SET TIMESTAMP=1040324219; SET @@session.pseudo_thread_id=2; insert into t2 select count(*) from t3; SET TIMESTAMP=1040324224; SET @@session.pseudo_thread_id=2; drop temporary table t3; select * from t2 ORDER BY f; f 5 7 drop table t1,t2; create temporary table t3 (f int); create temporary table t4 (f int); create table t5 (f int); select id from information_schema.processlist where command='Binlog Dump' into @id; kill @id; insert into t5 select * from t4; select * from t5 /* must be 1 after reconnection */; f drop temporary table t4; drop table t5; set @@session.pseudo_thread_id=100; create temporary table t101 (id int); create temporary table t102 (id int); set @@session.pseudo_thread_id=200; create temporary table t201 (id int); create temporary table `t``201` (id int); create temporary table `#sql_not_user_table202` (id int); set @@session.pseudo_thread_id=300; create temporary table t301 (id int); create temporary table t302 (id int); create temporary table `#sql_not_user_table303` (id int); DROP USER ''@localhost; create table t1(f int); insert into t1 values (1); select * from t1 /* must be 1 */; f 1 drop table t1; select * from t1; a 1 drop table t1;