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drop table if exists t1,t2,t3,t4,t5;
set debug_sync='RESET';
set debug_sync='create_table_select_before_create SIGNAL parked WAIT_FOR go';
create table t1 select 1 as i;;
set debug_sync='now WAIT_FOR parked';
create table t1 (j char(5));;
set debug_sync='now SIGNAL go';
ERROR 42S01: Table 't1' already exists
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`i` int(1) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
set debug_sync='create_table_select_before_create SIGNAL parked WAIT_FOR go';
create table t1 select 1 as i;;
set debug_sync='now WAIT_FOR parked';
create table t1 select 'Test' as j;;
set debug_sync='now SIGNAL go';
ERROR 42S01: Table 't1' already exists
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`i` int(1) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t3 (j char(5));
set debug_sync='create_table_select_before_create SIGNAL parked WAIT_FOR go';
create table t1 select 1 as i;;
set debug_sync='now WAIT_FOR parked';
create table t1 like t3;;
set debug_sync='now SIGNAL go';
ERROR 42S01: Table 't1' already exists
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`i` int(1) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
set debug_sync='create_table_select_before_create SIGNAL parked WAIT_FOR go';
create table t1 select 1 as i;;
set debug_sync='now WAIT_FOR parked';
rename table t3 to t1;;
set debug_sync='now SIGNAL go';
ERROR 42S01: Table 't1' already exists
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`i` int(1) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
set debug_sync='create_table_select_before_create SIGNAL parked WAIT_FOR go';
create table t1 select 1 as i;;
set debug_sync='now WAIT_FOR parked';
alter table t3 rename to t1;
set debug_sync='now SIGNAL go';
ERROR 42S01: Table 't1' already exists
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`i` int(1) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
set debug_sync='create_table_select_before_create SIGNAL parked WAIT_FOR go';
create table t1 select 1 as i;;
set debug_sync='now WAIT_FOR parked';
alter table t3 rename to t1, add k int;
set debug_sync='now SIGNAL go';
ERROR 42S01: Table 't1' already exists
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`i` int(1) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1,t3;
set debug_sync='create_table_select_before_open SIGNAL parked WAIT_FOR go';
set debug_sync='create_table_select_before_open SIGNAL parked WAIT_FOR go';
create table t1 select 1 as i;;
set debug_sync='now WAIT_FOR parked';
drop table t1;;
set debug_sync='now SIGNAL go';
set debug_sync='create_table_select_before_create SIGNAL parked WAIT_FOR go';
create table t1 select 1 as i;;
set debug_sync='now WAIT_FOR parked';
rename table t1 to t2;;
set debug_sync='now SIGNAL go';
drop table t2;
set debug_sync='create_table_select_before_create SIGNAL parked WAIT_FOR go';
create table t1 select 1 as i;;
set debug_sync='now WAIT_FOR parked';
select * from t1;;
set debug_sync='now SIGNAL go';
i
1
drop table t1;
set debug_sync='create_table_select_before_create SIGNAL parked WAIT_FOR go';
create table t1 select 1 as i;;
set debug_sync='now WAIT_FOR parked';
insert into t1 values (2);;
set debug_sync='now SIGNAL go';
select * from t1;
i
1
2
drop table t1;
set @a:=0;
set debug_sync='create_table_select_before_create SIGNAL parked WAIT_FOR go';
create table t1 select 1 as i;;
set debug_sync='now WAIT_FOR parked';
create trigger t1_bi before insert on t1 for each row set @a:=1;;
set debug_sync='now SIGNAL go';
select @a;
@a
0
drop table t1;
set debug_sync='create_table_select_before_lock SIGNAL parked WAIT_FOR go';
create table t1 select 1 as i;;
set debug_sync='now WAIT_FOR parked';
drop table t1;;
set debug_sync='now SIGNAL go';
set debug_sync='create_table_select_before_lock SIGNAL parked WAIT_FOR go';
create table t1 select 1 as i;;
set debug_sync='now WAIT_FOR parked';
rename table t1 to t2;;
set debug_sync='now SIGNAL go';
drop table t2;
set debug_sync='create_table_select_before_lock SIGNAL parked WAIT_FOR go';
create table t1 select 1 as i;;
set debug_sync='now WAIT_FOR parked';
select * from t1;;
set debug_sync='now SIGNAL go';
i
1
drop table t1;
set debug_sync='create_table_select_before_lock SIGNAL parked WAIT_FOR go';
create table t1 select 1 as i;;
set debug_sync='now WAIT_FOR parked';
insert into t1 values (2);;
set debug_sync='now SIGNAL go';
select * from t1;
i
1
2
drop table t1;
set @a:=0;
set debug_sync='create_table_select_before_lock SIGNAL parked WAIT_FOR go';
create table t1 select 1 as i;;
set debug_sync='now WAIT_FOR parked';
create trigger t1_bi before insert on t1 for each row set @a:=1;;
set debug_sync='now SIGNAL go';
select @a;
@a
0
drop table t1;
set debug_sync='create_table_select_before_check_if_exists SIGNAL parked WAIT_FOR go';
create table if not exists t1 select 1 as i;;
set debug_sync='now WAIT_FOR parked';
drop table t1;;
set debug_sync='now SIGNAL go';
create table t1 (i int);
set @a:=0;
set debug_sync='create_table_select_before_check_if_exists SIGNAL parked WAIT_FOR go';
create table if not exists t1 select 1 as i;;
set debug_sync='now WAIT_FOR parked';
create trigger t1_bi before insert on t1 for each row set @a:=1;;
set debug_sync='now SIGNAL go';
Warnings:
Note 1050 Table 't1' already exists
select @a;
@a
0
select * from t1;
i
drop table t1;
drop table if exists t1,t2;
set debug_sync='RESET';
create table t1 (i int);
set debug_sync='create_table_like_after_open SIGNAL parked WAIT_FOR go';
reset master;
create table t2 like t1;;
set debug_sync='now WAIT_FOR parked';
insert into t1 values (1);
drop table t1;;
set debug_sync='now SIGNAL go';
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`i` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t2;
include/show_binlog_events.inc
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # Gtid # # BEGIN GTID #-#-#
master-bin.000001 # Query # # use `test`; insert into t1 values (1)
master-bin.000001 # Query # # COMMIT
master-bin.000001 # Gtid # # GTID #-#-#
master-bin.000001 # Query # # use `test`; create table t2 like t1
master-bin.000001 # Gtid # # GTID #-#-#
master-bin.000001 # Query # # use `test`; DROP TABLE `t1` /* generated by server */
master-bin.000001 # Gtid # # GTID #-#-#
master-bin.000001 # Query # # use `test`; DROP TABLE `t2` /* generated by server */
create table t1 (i int);
set debug_sync='create_table_like_before_binlog SIGNAL parked WAIT_FOR go';
reset master;
create table t2 like t1;;
set debug_sync='now WAIT_FOR parked';
insert into t2 values (1);;
set debug_sync='now SIGNAL go';
drop table t2;
set debug_sync='create_table_like_before_binlog SIGNAL parked WAIT_FOR go';
create table t2 like t1;;
set debug_sync='now WAIT_FOR parked';
drop table t2;;
set debug_sync='now SIGNAL go';
set debug_sync='create_table_like_before_binlog SIGNAL parked WAIT_FOR go';
create table t2 like t1;;
set debug_sync='now WAIT_FOR parked';
drop table t1;;
set debug_sync='now SIGNAL go';
drop table t2;
set debug_sync='RESET';
include/show_binlog_events.inc
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # Gtid # # GTID #-#-#
master-bin.000001 # Query # # use `test`; create table t2 like t1
master-bin.000001 # Gtid # # BEGIN GTID #-#-#
master-bin.000001 # Query # # use `test`; insert into t2 values (1)
master-bin.000001 # Query # # COMMIT
master-bin.000001 # Gtid # # GTID #-#-#
master-bin.000001 # Query # # use `test`; DROP TABLE `t2` /* generated by server */
master-bin.000001 # Gtid # # GTID #-#-#
master-bin.000001 # Query # # use `test`; create table t2 like t1
master-bin.000001 # Gtid # # GTID #-#-#
master-bin.000001 # Query # # use `test`; DROP TABLE `t2` /* generated by server */
master-bin.000001 # Gtid # # GTID #-#-#
master-bin.000001 # Query # # use `test`; create table t2 like t1
master-bin.000001 # Gtid # # GTID #-#-#
master-bin.000001 # Query # # use `test`; DROP TABLE `t1` /* generated by server */
master-bin.000001 # Gtid # # GTID #-#-#
master-bin.000001 # Query # # use `test`; DROP TABLE `t2` /* generated by server */
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