Download [#MODULES-4428] Backup script try to backup sys database when

[MODULES-4428] Backup script try to backup sys database when
file_per_database is enabled. Created: 2017/02/21 Updated: 2017/02/21
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mysql
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Bug
Marco Nenciarini
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customfield_10700 true
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Ubuntu Xenial - mysql 5.7.17
Description
When file_per_database is enabled, the backup script try to backup the sys database, leading to
an error on recent mysql versions.
mysqldump: Couldn't execute 'SELECT /*!40001 SQL_NO_CACHE */ *
FROM `GLOBAL_STATUS`': The 'INFORMATION_SCHEMA.GLOBAL_STATUS'
feature is disabled; see the documentation for
'show_compatibility_56' (3167)
mysqldump: Couldn't execute 'SHOW FIELDS FROM `host_summary`':
execute command denied to user 'backup_user'@'localhost' for
routine 'sys.format_time' (1370)
The backup cronjob sent one email with that error for every invocation.
Disabling file_per_database solves the issue because mysqldump --all-databases knows
what to do and skip the system databases.
Generated at Fri May 12 03:13:39 PDT 2017 using JIRA 6.4.14#64029sha1:ae256fe0fbb912241490ff1cecfb323ea0905ca5.