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(Part#2) MDEV-13049 Querying INFORMATION_SCHEMA becomes slow in MariaDB 10.1

This is a 10.3 specific part of MDEV-13049.
It disables automatic sorting for
"SELECT .. FROM INFORMATION_SCHEMA.{SCHEMATA|TABLES}"
and adjusts the affected tests accordingly.
This commit is contained in:
Alexander Barkov
2017-10-31 13:00:20 +04:00
parent 835cbbcc7b
commit 5d3ed9acdd
64 changed files with 380 additions and 226 deletions

View File

@ -3,7 +3,8 @@
CREATE TEMPORARY TABLE table_list (id INT AUTO_INCREMENT, PRIMARY KEY (id)) AS
SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA='performance_schema';
WHERE TABLE_SCHEMA='performance_schema'
ORDER BY TABLE_NAME;
SELECT COUNT(*) FROM table_list INTO @table_count;
# For each table in the performance schema, attempt HANDLER...OPEN,
@ -67,11 +68,11 @@ SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=34;
HANDLER performance_schema.mutex_instances OPEN;
ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`mutex_instances` doesn't have this option
SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=33;
HANDLER performance_schema.hosts OPEN;
ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`hosts` doesn't have this option
SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=32;
HANDLER performance_schema.host_cache OPEN;
ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`host_cache` doesn't have this option
SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=32;
HANDLER performance_schema.hosts OPEN;
ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`hosts` doesn't have this option
SELECT TABLE_NAME INTO @table_name FROM table_list WHERE id=31;
HANDLER performance_schema.file_summary_by_instance OPEN;
ERROR HY000: Storage engine PERFORMANCE_SCHEMA of the table `performance_schema`.`file_summary_by_instance` doesn't have this option