From 58eca97e71742f1b735851938c443fdab7555db9 Mon Sep 17 00:00:00 2001 From: Ian Kelly Date: Sat, 20 Nov 2010 01:11:34 +0000 Subject: [PATCH] Updated an old workaround described in the Oracle backend notes with more modern advice. git-svn-id: http://code.djangoproject.com/svn/django/trunk@14637 bcc190cf-cafb-0310-a4f2-bffc1f526a37 --- docs/ref/databases.txt | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/docs/ref/databases.txt b/docs/ref/databases.txt index 78c97c9133..3aa78ef647 100644 --- a/docs/ref/databases.txt +++ b/docs/ref/databases.txt @@ -669,9 +669,9 @@ some limitations on the usage of such LOB columns in general: * LOB columns may not be used in a ``SELECT DISTINCT`` list. This means that attempting to use the ``QuerySet.distinct`` method on a model that includes ``TextField`` columns will result in an error when run against - Oracle. A workaround to this is to keep ``TextField`` columns out of any - models that you foresee performing ``distinct()`` queries on, and to - include the ``TextField`` in a related model instead. + Oracle. As a workaround, use the ``QuerySet.defer`` method in conjunction + with ``distinct()`` to prevent ``TextField`` columns from being included in + the ``SELECT DISTINCT`` list. .. _third-party-notes: