Viewing all changes in revision 3602.1.1.
- Committer: Igor Babaev
- Date: 2012-11-22 05:55:04 UTC
- mto: This revision was merged to the branch mainline in revision 3604.
- Revision ID: igor@askmonty.org-20121122055504-vdyz74a9d7n48x0o
Fixed LP bug #1002146 (bug mdev-645).
If the setting of system variables does not allow to use join buffer
for a join query with GROUP BY <f1,...> / ORDER BY <f1,...> then
filesort is not needed if the first joined table is scanned in
the order compatible with order specified by the list <f1,...>.
If the setting of system variables does not allow to use join buffer
for a join query with GROUP BY <f1,...> / ORDER BY <f1,...> then
filesort is not needed if the first joined table is scanned in
the order compatible with order specified by the list <f1,...>.
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