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Fixed #5267 -- Documented that order_by('?') queries can be slow

git-svn-id: bcc190cf-cafb-0310-a4f2-bffc1f526a37
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1 parent 8d3d5a3 commit 7b172de6fa4aa6da82211bae05a9388b0d96e12a @adrianholovaty adrianholovaty committed Sep 15, 2007
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  1. +3 −0 docs/db-api.txt
3 docs/db-api.txt
@@ -511,6 +511,9 @@ like so::
+Note: ``order_by('?')`` queries may be expensive and slow, depending on the
+database backend you're using.
To order by a field in a different table, add the other table's name and a dot,
like so::

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