dao.py 文件源码

def execute_sql_with_commit(self, resource_name, sql, values):
        """Executes a provided sql statement with commit.

        Args:
            resource_name (str): String of the resource name.
            sql (str): String of the sql statement.
            values (tuple): Tuple of string for sql placeholder values.

        Raises:
            MySQLError: When an error has occured while executing the query.
        """
        try:
            cursor = self.conn.cursor()
            cursor.execute(sql, values)
            self.conn.commit()
        except (DataError, IntegrityError, InternalError, NotSupportedError,
                OperationalError, ProgrammingError) as e:
            raise MySQLError(resource_name, e)