Fixed DatabaseFeatures.requires_literal_defaults on SQLite.
This flag is currently unused on SQLite because it doesn't support
dropping a DEFAULT clause, however it requires literal defaults, rather
than parameterized ones, so we can set it for clarity.
@@ -18,6 +18,7 @@ class DatabaseFeatures(BaseDatabaseFeatures):
can_rollback_ddl = True
can_create_inline_fk = False
supports_paramstyle_pyformat = False
+ requires_literal_defaults = True
can_clone_databases = True
supports_temporal_subtraction = True
ignores_table_name_case = True
