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Code Issues 32 Releases Wiki Activity

Fixed #30183 -- Added introspection of inline SQLite constraints.

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This commit is contained in:
Paveł Tyślacki
2019-02-28 00:47:29 +03:00
committed by Tim Graham
parent 406de977ea
commit 782d85b6df
5 changed files with 332 additions and 51 deletions
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12
tests/schema/tests.py
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@@ -129,6 +129,14 @@ class SchemaTests(TransactionTestCase):
if c['index'] and len(c['columns']) == 1
]
def get_uniques(self, table):
with connection.cursor() as cursor:
return [
c['columns'][0]
for c in connection.introspection.get_constraints(cursor, table).values()
if c['unique'] and len(c['columns']) == 1
]
def get_constraints(self, table):
"""
Get the constraints on a table using a new cursor.
@@ -1971,7 +1979,7 @@ class SchemaTests(TransactionTestCase):
editor.add_field(Book, new_field3)
self.assertIn(
"slug",
self.get_indexes(Book._meta.db_table),
self.get_uniques(Book._meta.db_table),
)
# Remove the unique, check the index goes with it
new_field4 = CharField(max_length=20, unique=False)
@@ -1980,7 +1988,7 @@ class SchemaTests(TransactionTestCase):
editor.alter_field(BookWithSlug, new_field3, new_field4, strict=True)
self.assertNotIn(
"slug",
self.get_indexes(Book._meta.db_table),
self.get_uniques(Book._meta.db_table),
)
def test_text_field_with_db_index(self):