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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