Author: jkocherhans
Date: 2010-01-04 22:30:51 -0600 (Mon, 04 Jan 2010)
New Revision: 12100
Modified:
django/trunk/django/db/models/base.py
Log:
Fixed another instance like [12099]. Thanks again, Alex Gaynor.
Modified: django/trunk/django/db/models/base.py
===================================================================
--- django/trunk/django/db/models/base.py 2010-01-05 04:12:09 UTC (rev
12099)
+++ django/trunk/django/db/models/base.py 2010-01-05 04:30:51 UTC (rev
12100)
@@ -745,9 +745,7 @@
if not getattr(self, '_adding', False) and self.pk is not None:
qs = qs.exclude(pk=self.pk)
- # This cute trick with extra/values is the most efficient way to
- # tell if a particular query returns any results.
- if qs.extra(select={'a': 1}).values('a').order_by():
+ if qs.exists():
errors.setdefault(field, []).append(
self.date_error_message(lookup_type, field, unique_for)
)
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