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CREATE PROCEDURE pro_page(
in _sql varchar(1000),
in _order varchar(1000),
in _pagecurrent int,
in _pagesize int
)
BEGIN
if _pagesize<=1 then
set _pagesize=20;
end if;
if _pagecurrent < 1 then
set _pagecurrent = 1;
end if;
set @strsql = concat(_sql,' ',_order,' limit ',_pagecurrent*_pagesize-_pagesize,',',_pagesize);
prepare stmtsql from @strsql;
execute stmtsql;
deallocate prepare stmtsql;
END;
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