Details
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Bug
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    Status: Closed (View Workflow)
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Major
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    Resolution: Fixed
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    10.0.0
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    None
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    None
 
Description
In MySQL 5.6.7 mysql.host table was removed:
					branch: mysql-server/5.6
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					Â  | 
		
					revno: 4215 [merge]
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					committer: Marc Alff <marc.alff@oracle.com>
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					branch nick: mysql-5.6-cleanup
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					timestamp: Fri 2012-08-31 23:07:56 +0200
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					message:
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					  Local merge
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					    ------------------------------------------------------------
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					    revno: 4213.1.1
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					    committer: Harin Vadodaria<harin.vadodaria@oracle.com>
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					    branch nick: mysql-56
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					    timestamp: Sat 2012-09-01 02:21:54 +0530
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					    message:
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					      wl#6443 : Deprecate features in mysql-5.6-rc - SrvGen
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					      Description : Backporting from mysql-trunk to mysql-5.6.
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					                    Introduced deprecation warnings for
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					                    time_format, date_format, datetime_format
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					                    and max_tmp_tables.
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					                    Introduced deprecation warnings for
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					                    --plugin-xyz options.
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					                    Removed host table creation and introduced
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					                    deprecation warning in mysql_upgrade for
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					                    a non-empty host table.
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An attempt to start MariaDB 10.0 on a datadir from MySQL 5.6.7 fails due to the non-existing mysql.host table, before mysql_upgrade can be run. If we don't backport this change (or somehow else solve this problem), crossgrade from 5.6.7 to 10.0 will be impossible.