From c54b8ec2f5122ae13bcb4e1d00d8e8f6bcacf2cf Mon Sep 17 00:00:00 2001 From: Karen Tracey Date: Sun, 25 Oct 2009 16:32:07 +0000 Subject: [PATCH] Fixed #12079: Changed has_results to get a single result, thus preventing exists() from always returning True on backends that support chunked reads. git-svn-id: http://code.djangoproject.com/svn/django/trunk@11654 bcc190cf-cafb-0310-a4f2-bffc1f526a37 --- django/db/models/sql/query.py | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/django/db/models/sql/query.py b/django/db/models/sql/query.py index 136c97f639..7bc45cbce2 100644 --- a/django/db/models/sql/query.py +++ b/django/db/models/sql/query.py @@ -385,7 +385,8 @@ class BaseQuery(object): q.set_extra_mask(('a',)) q.set_aggregate_mask(()) q.clear_ordering() - return bool(q.execute_sql()) + q.set_limits(high=1) + return bool(q.execute_sql(SINGLE)) def as_sql(self, with_limits=True, with_col_aliases=False): """