[1.2.X] 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. Backport of [13859] from trunk.

nightflyerkilo · nightflyerkilo · commit a63bea3e3baf · 2010-09-16T19:56:39.000Z
git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@13860 bcc190cf-cafb-0310-a4f2-bffc1f526a37
diff --git a/tests/regressiontests/queries/models.py b/tests/regressiontests/queries/models.py
@@ -1339,3 +1339,23 @@ def __unicode__(self):
 []
 
 """
+
+# 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
+
+"""
