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[1.0.X] Fixed #9432 -- Revived documentation of ~Q usage.

Backport of r9267 from trunk.


git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.0.X@9270 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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commit 13d810efe4cfc935cf27b884332db97031ba041f 1 parent 8613e6c
Malcolm Tredinnick malcolmt authored
Showing with 5 additions and 1 deletion.
  1. +5 −1 docs/topics/db/queries.txt
6 docs/topics/db/queries.txt
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@@ -601,7 +601,11 @@ This is equivalent to the following SQL ``WHERE`` clause::
WHERE question LIKE 'Who%' OR question LIKE 'What%'
You can compose statements of arbitrary complexity by combining ``Q`` objects
-with the ``&`` and ``|`` operators. You can also use parenthetical grouping.
+with the ``&`` and ``|`` operators and use parenthetical grouping. Also, ``Q``
+objects can be negated using the ``~`` operator, allowing for combined lookups
+that combine both a normal query and a negated (``NOT``) query::
+
+ Q(question__startswith='Who') | ~Q(pub_date__year=2005)
Each lookup function that takes keyword-arguments (e.g. ``filter()``,
``exclude()``, ``get()``) can also be passed one or more ``Q`` objects as
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