Details
Minor Description
A full dump created with
mysqldump --all-databases --add-drop-database ...
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can't be restored on a system that has general_log or slow_query_log
enabled as the DROP DATABASE command for the "mysql" database fails
with
ERROR 1580 (HY000): You cannot 'DROP' a log table if logging is enabled
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How to repeat:
Create a full dump with
mysqldump --all-databases --add-drop-database ... > dump.sql
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Then in mysql CLI:
SET GLOBAL slow_query_log=1;
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SOURCE dump.sql
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Suggested fix:
If bug#69953 / MDEV-4851 gets fixed first: extend DROP for "mysql" database with
/*!50106 SET @OLD_LOG_OUTPUT=@@LOG_OUTPUT*/;
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/*!50106 SET GLOBAL LOG_OUTPUT='NONE'*/;
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/*!40000 DROP DATABASE IF EXISTS `mysql`*/;
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/*!50106 SET GLOBAL LOG_OUTPUT=@OLD_LOG_OUTPUT*/;
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as this will cover all present and potential future log tables;
If bug #69953 / MDEV-4851 isn't fixed: explicitly disable general_log and
slow_query_log
/*!50106 SET @OLD_GENERAL_LOG=@@GENERAL_LOG*/;
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/*!50106 SET GLOBAL GENERAL_LOG=0*/;
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/*!50106 SET @OLD_SLOW_QUERY_LOG=@@SLOW_QUERY_LOG*/;
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/*!50106 SET GLOBAL SLOW_QUERY_LOG=0*/;
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/*!40000 DROP DATABASE IF EXISTS `mysql`*/;
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/*!50106 SET GLOBAL GENERAL_LOG=@OLD_GENERAL_LOG*/;
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/*!50106 SET GLOBAL SLOW_QUERY_LOG=@OLD_SLOW_QUERY_LOG*/;
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See also http://bugs.mysql.com/69970
Attachments
Issue Links
- relates to
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MDEV-8494 mysqldump ignore-table doesn't ignore mysql.slow_log or mysql.general_log
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- Closed
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- links to