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Fixed #26500 -- Added SKIP LOCKED support to select_for_update().

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Thanks Tim for the review.
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Simon Charette 2016-06-23 11:52:14 -04:00
parent 46509cf13d
commit b8e6e1b43b
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11 changed files with 98 additions and 27 deletions
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6
docs/ref/databases.txt
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@ -569,9 +569,9 @@ both MySQL and Django will attempt to convert the values from UTC to local time.
Row locking with ``QuerySet.select_for_update()``
-------------------------------------------------
MySQL does not support the ``NOWAIT`` option to the ``SELECT ... FOR UPDATE``
statement. If ``select_for_update()`` is used with ``nowait=True`` then a
``DatabaseError`` will be raised.
MySQL does not support the ``NOWAIT`` and ``SKIP LOCKED`` options to the
``SELECT ... FOR UPDATE`` statement. If ``select_for_update()`` is used with
``nowait=True`` or ``skip_locked=True`` then a ``DatabaseError`` will be raised.
Automatic typecasting can cause unexpected results
--------------------------------------------------