Corrected return value of ForeignKey.db_check().

Field.db_check() should return None or a SQL string. Returning [] happened to work because it’s falsey.
2021-12-10 08:22:09 +00:00 · 2021-12-10 08:22:09 +00:00 · 1be99e4e0a
parent 974e3b8750
commit 1be99e4e0a
1 changed files with 1 additions and 1 deletions
--- a/django/db/models/fields/related.py
+++ b/django/db/models/fields/related.py
@ -1035,7 +1035,7 @@ class ForeignKey(ForeignObject):
        })

    def db_check(self, connection):
-        return []
+        return None

    def db_type(self, connection):
        return self.target_field.rel_db_type(connection=connection)