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Code Issues 32 Releases Wiki Activity

[1.8.x] Fixed #24757 -- Recreated MySQL index when needed during combined index removal

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Thanks Thomas Recouvreux for the report and Tim Graham for the tests and
review.
Backport of ae635cc36 from master.
This commit is contained in:
Claude Paroz
2015-05-13 17:40:57 +02:00
parent 30e5703844
commit 6a0d9f068f
4 changed files with 70 additions and 18 deletions
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36
tests/schema/tests.py
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@@ -1084,6 +1084,24 @@ class SchemaTests(TransactionTestCase):
self.assertRaises(IntegrityError, UniqueTest.objects.create, year=2012, slug="foo")
UniqueTest.objects.all().delete()
def test_unique_together_with_fk(self):
"""
Tests removing and adding unique_together constraints that include
a foreign key.
"""
# Create the table
with connection.schema_editor() as editor:
editor.create_model(Author)
editor.create_model(Book)
# Ensure the fields are unique to begin with
self.assertEqual(Book._meta.unique_together, ())
# Add the unique_together constraint
with connection.schema_editor() as editor:
editor.alter_unique_together(Book, [], [['author', 'title']])
# Alter it back
with connection.schema_editor() as editor:
editor.alter_unique_together(Book, [['author', 'title']], [])
def test_index_together(self):
"""
Tests removing and adding index_together constraints on a model.
@@ -1127,6 +1145,24 @@ class SchemaTests(TransactionTestCase):
),
)
def test_index_together_with_fk(self):
"""
Tests removing and adding index_together constraints that include
a foreign key.
"""
# Create the table
with connection.schema_editor() as editor:
editor.create_model(Author)
editor.create_model(Book)
# Ensure the fields are unique to begin with
self.assertEqual(Book._meta.index_together, ())
# Add the unique_together constraint
with connection.schema_editor() as editor:
editor.alter_index_together(Book, [], [['author', 'title']])
# Alter it back
with connection.schema_editor() as editor:
editor.alter_index_together(Book, [['author', 'title']], [])
def test_create_index_together(self):
"""
Tests creating models with index_together already defined