sybase分頁儲存過程的實現

sybase分頁儲存過程應該如何實現呢？這是很多人都提到的問題，下面就為您介紹

sybase

分頁儲存過程的寫法，希望可以讓您對sybase分頁儲存過程有更多的了解。

create procedure sp_php_page @qry varchar(16384),@istart int, @ilimit int, @skeyfiled  varchar(32) as   

/*@qry sql語句, @istart 開始, @ilimit 結束,@skeyfiled 表中的主鍵 */ 
begin 
declare @execsql varchar(16384) 
declare @execsqltmp varchar(16384) 
/*定義臨時表表名*/ 
declare @dt varchar(10) --生成臨時表的隨機數 
set @dt=substring(convert(varchar, rand()), 3, 10) --乙個字元型的隨機數 
set rowcount @ilimit 
if(@skeyfiled is null) 
begin 
set @execsql = stuff(@qry,charindex('select',@qry),6,'select number(*) as sybid,') 
set @execsqltmp = ' select * from #temptable' + @dt + ' where sybid>' || convert(varchar,@istart) || ' and sybid <= ' || convert(varchar,(@istart/@ilimit+1)*@ilimit) 
end 
else 
begin 
set @execsql = stuff(@qry,charindex('select',@qry),6,'select number(*) as sybid,' || @skeyfiled || ' ,@' ) 
set @execsql = stuff(@execsql,charindex(',@',@execsql),charindex('from',@execsql)-charindex(',@',@execsql),'' ) 
set @execsqltmp = ' select '|| @skeyfiled ||' from #temptable' + @dt + ' where sybid>' || convert(varchar,@istart) || ' and sybid <= ' || convert(varchar,(@istart/@ilimit+1)*@ilimit) 
set @execsqltmp = stuff(@qry,charindex('where',@qry),5,' where '|| @skeyfiled || ' in ('|| @execsqltmp ||') and ') 
end 
set @execsql = stuff(@execsql, charindex('from',@execsql),4,'into #temptable' + @dt + ' from') 
select (@execsql) as sql, @execsqltmp as sqltmp 
set rowcount 0 
end

呼叫

$ssql = " exec sp_php_page '$ssql',$istart,$ilimit,'iid'";  

$prow = $this->m_hdb->getresult ( $ssql ); 
$this->m_hdb->excute ( $prow->sql ); 
$pdata = $this->m_hdb->select($prow->sqltmp);

reference：

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