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

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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
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3
mysql-test/suite/perfschema/t/dml_handler.test
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@ -18,7 +18,8 @@
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;