From c5bb472095f02df364f9a0ce64f0b97bfd4a8c63 Mon Sep 17 00:00:00 2001 From: Amr Anwar Date: Mon, 19 Mar 2018 09:58:50 -0400 Subject: [1.11.x] Fixed #29229 -- Fixed column mismatch crash when combining two annotated values_list() querysets with union(), difference(), or intersection(). Regression in 7316720603821ebb64dfe8fa592ba6edcef5f3e. Backport of a0c03c62a8ac586e5be5b21393c925afa581efaf from master --- django/db/models/sql/compiler.py | 3 ++- docs/releases/1.11.12.txt | 4 +++- tests/queries/test_qs_combinators.py | 11 +++++++++++ 3 files changed, 16 insertions(+), 2 deletions(-) diff --git a/django/db/models/sql/compiler.py b/django/db/models/sql/compiler.py index e40770c151..033ea984bd 100644 --- a/django/db/models/sql/compiler.py +++ b/django/db/models/sql/compiler.py @@ -393,7 +393,8 @@ class SQLCompiler(object): # If the columns list is limited, then all combined queries # must have the same columns list. Set the selects defined on # the query on all combined queries, if not already set. - if not compiler.query.values_select and self.query.values_select: + if (not compiler.query.values_select and not compiler.query.annotations and + self.query.values_select): compiler.query.set_values(self.query.values_select) parts += (compiler.as_sql(),) except EmptyResultSet: diff --git a/docs/releases/1.11.12.txt b/docs/releases/1.11.12.txt index aa0035a3c3..64130c065e 100644 --- a/docs/releases/1.11.12.txt +++ b/docs/releases/1.11.12.txt @@ -9,4 +9,6 @@ Django 1.11.12 fixes a bug in 1.11.11. Bugfixes ======== -* ... +* Fixed a regression in Django 1.11.8 where combining two annotated + ``values_list()`` querysets with ``union()``, ``difference()``, or + ``intersection()`` crashed due to mismatching columns (:ticket:`29229`). diff --git a/tests/queries/test_qs_combinators.py b/tests/queries/test_qs_combinators.py index 3450014d94..9083520c24 100644 --- a/tests/queries/test_qs_combinators.py +++ b/tests/queries/test_qs_combinators.py @@ -128,6 +128,17 @@ class QuerySetSetOperationTests(TestCase): reserved_name = qs1.union(qs1).values_list('name', 'order', 'id').get() self.assertEqual(reserved_name[:2], ('a', 2)) + def test_union_with_two_annotated_values_list(self): + qs1 = Number.objects.filter(num=1).annotate( + count=Value(0, IntegerField()), + ).values_list('num', 'count') + qs2 = Number.objects.filter(num=2).values('pk').annotate( + count=F('num'), + ).annotate( + num=Value(1, IntegerField()), + ).values_list('num', 'count') + self.assertCountEqual(qs1.union(qs2), [(1, 0), (2, 1)]) + def test_count_union(self): qs1 = Number.objects.filter(num__lte=1).values('num') qs2 = Number.objects.filter(num__gte=2, num__lte=3).values('num') -- cgit v1.3