Hi Nirbhay,
Looks good, thanks!
On Fri, Jul 01, 2016 at 02:47:29PM -0400, Nirbhay Choubey wrote:
> revision-id: 3bbf3d2e246da1a2fd458b634f30cbe35afb5668 (mariadb-10.2.0-142-g3bbf3d2)
> parent(s): 76f492e26d8d45c678c570be2cf4ca5d238edceb
> author: Nirbhay Choubey
> committer: Nirbhay Choubey
> timestamp: 2016-07-01 14:47:27 -0400
> message:
>
> MDEV-10216: Assertion `strcmp(share->unique_file_name,filename) ||
>
> .. share->last_version' failed in myisam/mi_open.c:67: test_if_reopen
>
> During the RENAME operation since the renamed temporary table is also
> opened and added to myisam_open_list/maria_open_list, resetting the
> last_version at the end of operation (HA_EXTRA_PREPARE_FOR_RENAME)
> will cause an assertion failure when a subsequent query tries to open
> an additional temporary table instance and thus attempts to reuse it
> from the open table list.
>
> This commit fixes the issue by skipping flush/close operations executed
> toward the end of ALTER for temporary tables. It also enables a shortcut
> for simple ALTERs (like rename, disable/enable keys) on temporary
> tables.
>
> As safety checks, added some assertions at code points that should not
> be hit for temporary tables.
...
Regards,
Sergey
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