Method _collate_sql

django/db/backends/base/schema.py:2081–2082

(self, collation, old_collation=None, table_name=None)

        return self._delete_constraint_sql(self.sql_delete_pk, model, name)

    def _collate_sql(self, collation, old_collation=None, table_name=None):
        return "COLLATE " + self.quote_name(collation) if collation else ""

    def remove_procedure(self, procedure_name, param_types=()):
        sql = self.sql_delete_procedure % {