This method overrides django.db.backends.ddl_references.TableColumns.__init__.
This method overrides django.db.backends.ddl_references.TableColumns.references_column.
This method overrides django.db.backends.ddl_references.Table.references_table.
This method overrides django.db.backends.ddl_references.TableColumns.rename_column_references.
This method overrides django.db.backends.ddl_references.Table.rename_table_references.