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Fixed #14244: Allow lists of more than 1000 items to be used with the 'in' lookup in Oracle, by breaking them up into groups of 1000 items and ORing them together. Thanks to rlynch for the report and initial patch.

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@13859 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Ian Kelly
2010-09-16 19:53:41 +00:00
parent 763bcf8472
commit 320c46999c
4 changed files with 49 additions and 2 deletions
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20
tests/regressiontests/queries/models.py
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@@ -1339,3 +1339,23 @@ Using an empty generator expression as the rvalue for an "__in" lookup is legal
[]
"""
# Sqlite 3 does not support passing in more than 1000 parameters except by
# changing a parameter at compilation time.
if settings.DATABASES[DEFAULT_DB_ALIAS]['ENGINE'] != "django.db.backends.sqlite3":
__test__["API_TESTS"] += """
Bug #14244: Test that the "in" lookup works with lists of 1000 items or more.
>>> Number.objects.all().delete()
>>> numbers = range(2500)
>>> for num in numbers:
... _ = Number.objects.create(num=num)
>>> Number.objects.filter(num__in=numbers[:1000]).count()
1000
>>> Number.objects.filter(num__in=numbers[:1001]).count()
1001
>>> Number.objects.filter(num__in=numbers[:2000]).count()
2000
>>> Number.objects.filter(num__in=numbers).count()
2500
"""