MySql通用存储分页

DELIMITER $$
DROP PROCEDURE IF EXISTS `hotel`.`prc_page_hotel_result`$$
CREATE DEFINER=`root`@`localhost` PROCEDURE  `hotel`.`prc_page_hotel_result`(
in currpage      int,
in columns       varchar(500),
in tablename     varchar(500),
in sCondition    varchar(500),
in order_field   varchar(100),
in asc_field     int,
in Primary_field varchar(100),
in pagesize      int
)
begin
    declare sTemp  varchar(1000);
    declare sSql   varchar(4000);
    declare sOrder varchar(1000);
   
    if asc_field = 1 then
        set sOrder = concat(' order by ', order_field, ' desc ');
        set sTemp  = '<(select min';
    else
        set sOrder = concat(' order by ', order_field, ' asc ');
        set sTemp  = '>(select max';
    end if;
   
    if currpage = 1 then
        if sCondition <> '' then
            set sSql = concat('select ', columns, ' from ', tablename, ' where ');
            set sSql = concat(sSql, sCondition, sOrder, ' limit ?');
        else
            set sSql = concat('select ', columns, ' from ', tablename, sOrder, ' limit ?');
        end if;
    else
        if sCondition <> '' then
          &nb