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[1.8.x] Fixed #25180 -- Prevented varchar_patterns_ops and text_patterns_ops indexes for ArrayField.

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Backport of dad8434d6f from master
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Caio Ariede 2015-08-08 09:44:27 -03:00 • committed by Tim Graham
parent 632a917c11
commit 29fa1b5800
5 changed files with 61 additions and 0 deletions
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27
tests/postgres_tests/test_array.py
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@ -295,6 +295,33 @@ class TestMigrations(TransactionTestCase):
with connection.cursor() as cursor:
self.assertNotIn(table_name, connection.introspection.table_names(cursor))
@override_settings(MIGRATION_MODULES={
"postgres_tests": "postgres_tests.array_index_migrations",
})
def test_adding_arrayfield_with_index(self):
"""
ArrayField shouldn't have varchar_patterns_ops or text_patterns_ops indexes.
"""
table_name = 'postgres_tests_chartextarrayindexmodel'
call_command('migrate', 'postgres_tests', verbosity=0)
with connection.cursor() as cursor:
like_constraint_field_names = [
c.rsplit('_', 2)[0].rsplit('_')[-1]
for c in connection.introspection.get_constraints(cursor, table_name)
if c.endswith('_like')
]
# Only the CharField should have a LIKE index.
self.assertEqual(like_constraint_field_names, ['char2'])
with connection.cursor() as cursor:
indexes = connection.introspection.get_indexes(cursor, table_name)
# All fields should have regular indexes.
self.assertIn('char', indexes)
self.assertIn('char2', indexes)
self.assertIn('text', indexes)
call_command('migrate', 'postgres_tests', 'zero', verbosity=0)
with connection.cursor() as cursor:
self.assertNotIn(table_name, connection.introspection.table_names(cursor))
class TestSerialization(TestCase):
test_data = '[{"fields": {"field": "[\\"1\\", \\"2\\"]"}, "model": "postgres_tests.integerarraymodel", "pk": null}]'