diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/regressiontests/queries/models.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tests/regressiontests/queries/models.py b/tests/regressiontests/queries/models.py index a3247bb460..05842ebe7b 100644 --- a/tests/regressiontests/queries/models.py +++ b/tests/regressiontests/queries/models.py @@ -1015,6 +1015,13 @@ performance problems on backends like MySQL. >>> Annotation.objects.filter(notes__in=Note.objects.filter(note="n1")) [<Annotation: a1>] +Nested queries should not evaluate the inner query as part of constructing the +SQL. This test verifies this: if the inner query is evaluated, the outer "in" +lookup will raise an EmptyResultSet exception (as the inner query returns +nothing). +>>> print Annotation.objects.filter(notes__in=Note.objects.filter(note="xyzzy")).query +SELECT ... + """} # In Python 2.3 and the Python 2.6 beta releases, exceptions raised in __len__ |