mirror of
https://github.com/MariaDB/server.git
synced 2025-10-31 10:56:12 +01:00
30 lines
1.4 KiB
Text
30 lines
1.4 KiB
Text
|
|
--echo #
|
|
--echo # MDEV-4029 SELECT on information_schema using a subquery locks up the information_schema table due to incorrect mutexes handling
|
|
--echo #
|
|
select variable_name from information_schema.session_status where variable_name =
|
|
(select variable_name from information_schema.session_status where variable_name = 'uptime');
|
|
select variable_name from information_schema.session_variables where variable_name =
|
|
(select variable_name from information_schema.session_variables where variable_name = 'basedir');
|
|
|
|
--echo #
|
|
--echo # MDEV-8796 Delete with sub query with information_schema.TABLES deletes too many rows
|
|
--echo #
|
|
create table t1 (x int);
|
|
create table t2 (x int);
|
|
create table t3 (x int);
|
|
create table t4 AS select table_name from information_schema.TABLES where table_schema = database() and table_type = 'BASE TABLE' ;
|
|
delete from t4 where table_name not in (select table_name from information_schema.TABLES where table_schema = database() and table_type = 'BASE TABLE');
|
|
select * from t4 order by table_name;
|
|
drop table t1, t2, t3, t4;
|
|
|
|
--echo # End of 5.5 tests
|
|
|
|
--echo # INFORMATION_SCHEMA.STATISTICS doesn't show if the index is disabled
|
|
create table t1 (a int, key(a));
|
|
select index_name, comment from information_schema.statistics where table_schema='test' and table_name='t1';
|
|
alter table t1 disable keys;
|
|
select index_name, comment from information_schema.statistics where table_schema='test' and table_name='t1';
|
|
drop table t1;
|
|
|
|
--echo # End of 10.5 tests
|