CREATE PROCEDURE  del_line()    BEGIN           DECLARE count_line INT;            /** 先删除索引提高删除速度*/    ALTER TABLE `test_road_1`.`lebp_logistics_line`      DROP INDEX index_carrier_id,    DROP INDEX index_state,    DROP INDEX index_leave_city,    DROP INDEX index_leave_city_area,    DROP INDEX index_arrive_city,    DROP INDEX index_arrive_city_area,    DROP INDEX index_mock_attachment;    SELECT COUNT(*) INTO count_line FROM lebp_logistics_line;    WHILE count_line > 0 DO        DELETE FROM lebp_logistics_line LIMIT 10000 ;       COMMIT ;       SET count_line = count_line - 10000 ;    END WHILE ;    END