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MDEV-29067 Online alter ignores check constraint violation

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This commit is contained in:
Sergei Golubchik
2022-07-15 09:08:52 +02:00
parent 472c3d082f
commit aa1a2507f5
3 changed files with 248 additions and 0 deletions
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104
mysql-test/main/alter_table_online_debug.test
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@ -717,6 +717,30 @@ drop table t1;
drop table t2;
drop table t3;
#
# Lossy alter, Update_row_log_event cannot find 'abcde2' in the new table
#
create table t1 (a char(6), b int) engine=innodb;
insert t1 values ('abcde1',1),('abcde2',2);
--send set debug_sync= 'now wait_for downgraded'
--connection con2
set sql_mode='';
set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
--send alter table t1 modify a char(4), algorithm=copy, lock=none
--connection default
--reap
update t1 set b=b+10 where a='abcde2';
select * from t1;
set debug_sync= 'now signal goforit';
--connection con2
--reap
set sql_mode=default;
--connection default
show create table t1;
select * from t1;
drop table t1;
set debug_sync= 'reset';
--echo #
--echo # MDEV-28930 ALTER TABLE Deadlocks with parallel TL_WRITE
--echo #
@ -930,6 +954,86 @@ set sql_mode= default;
drop table t1;
set debug_sync= reset;
--echo #
--echo # MDEV-29067 Online alter ignores check constraint violation
--echo #
--echo ## CHECK, INSERT
create table t1 (a int);
insert t1 values (1),(2);
--send set debug_sync= 'now wait_for downgraded'
--connection con2
set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
--send alter table t1 add check (a<10), algorithm=copy, lock=none
--connection default
--reap
insert t1 values (11),(12);
set debug_sync= 'now signal goforit';
--connection con2
--error ER_CONSTRAINT_FAILED
--reap
--connection default
show create table t1;
select * from t1;
drop table t1;
--echo ## DEFAULT, INSERT
create table t1 (a int);
insert t1 values (1),(2);
--send set debug_sync= 'now wait_for downgraded'
--connection con2
set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
--send alter table t1 add b int default(a+10), algorithm=copy, lock=none
--connection default
--reap
insert t1 values (11),(12);
set debug_sync= 'now signal goforit';
--connection con2
--reap
--connection default
show create table t1;
select * from t1;
drop table t1;
set debug_sync= 'reset';
--echo ## CHECK, UPDATE
create table t1 (a int) engine=innodb;
insert t1 values (1),(2),(3),(4);
--send set debug_sync= 'now wait_for downgraded'
--connection con2
set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
--send alter table t1 add check (a<10), algorithm=copy, lock=none
--connection default
--reap
update t1 set a=a+10 where a > 2;
set debug_sync= 'now signal goforit';
--connection con2
--error ER_CONSTRAINT_FAILED
--reap
--connection default
show create table t1;
select * from t1;
drop table t1;
--echo ## DEFAULT, UPDATE
create table t1 (a int) engine=innodb;
insert t1 values (1),(2),(3),(4);
--send set debug_sync= 'now wait_for downgraded'
--connection con2
set debug_sync= 'alter_table_online_downgraded signal downgraded wait_for goforit';
--send alter table t1 add b int default(a+10), algorithm=copy, lock=none
--connection default
--reap
update t1 set a=a+10 where a > 2;
set debug_sync= 'now signal goforit';
--connection con2
--reap
--connection default
show create table t1;
select * from t1;
drop table t1;
set debug_sync= 'reset';
--echo #
--echo # End of 11.2 tests
--echo #