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| author | Russell Keith-Magee <russell@keith-magee.com> | 2010-03-20 10:37:57 +0000 |
|---|---|---|
| committer | Russell Keith-Magee <russell@keith-magee.com> | 2010-03-20 10:37:57 +0000 |
| commit | 9f6a82fafbd84865a06e162c14b6a5d5e110babe (patch) | |
| tree | 1cde51216f8f848867ec52b496be5e1a142d3ec3 /tests | |
| parent | d58020fce8019e3a9df717e0a78a9833c85094b7 (diff) | |
Fixed #13156 -- Ensure that exists() queries are as fast as they can be. Thanks to Jerome Leclanche for the report.
git-svn-id: http://code.djangoproject.com/svn/django/trunk@12810 bcc190cf-cafb-0310-a4f2-bffc1f526a37
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/regressiontests/queries/models.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tests/regressiontests/queries/models.py b/tests/regressiontests/queries/models.py index 43c843756c..06c4524d9d 100644 --- a/tests/regressiontests/queries/models.py +++ b/tests/regressiontests/queries/models.py @@ -277,6 +277,16 @@ class Plaything(models.Model): __test__ = {'API_TESTS':""" +>>> # Regression for #13156 -- exists() queries have minimal SQL +>>> from django.db import connection +>>> settings.DEBUG = True +>>> Tag.objects.exists() +False +>>> # Ok - so the exist query worked - but did it include too many columns? +>>> "id" not in connection.queries[-1]['sql'] and "name" not in connection.queries[-1]['sql'] +True +>>> settings.DEBUG = False + >>> generic = NamedCategory.objects.create(name="Generic") >>> t1 = Tag.objects.create(name='t1', category=generic) >>> t2 = Tag.objects.create(name='t2', parent=t1, category=generic) |