Method _rename_field_sql

django/db/backends/mysql/schema.py:224–226

(self, table, old_field, new_field, new_type)

        return field_db_params["check"]

    def _rename_field_sql(self, table, old_field, new_field, new_type):
        new_type = self._set_field_new_type(old_field, new_type)
        return super()._rename_field_sql(table, old_field, new_field, new_type)

    def _alter_column_comment_sql(self, model, new_field, new_type, new_db_comment):
        # Comment is alter when altering the column type.