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