sybase分頁(yè)存儲(chǔ)過(guò)程的實(shí)現(xiàn)
作者:佚名
分頁(yè)是使用sybase數(shù)據(jù)庫(kù)時(shí)很常用的功能,下文對(duì)sybase分頁(yè)的存儲(chǔ)過(guò)程寫(xiě)法作了詳細(xì)的介紹個(gè),供您參考學(xué)習(xí)之用。
sybase分頁(yè)存儲(chǔ)過(guò)程應(yīng)該如何實(shí)現(xiàn)呢?這是很多人都提到的問(wèn)題,下面就為您介紹sybase分頁(yè)存儲(chǔ)過(guò)程的寫(xiě)法,希望可以讓您對(duì)sybase分頁(yè)存儲(chǔ)過(guò)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(yǔ)句, @iStart 開(kāi)始, @iLimit 結(jié)束,@sKeyFiled 表中的主鍵 */
- begin
- declare @execsql varchar(16384)
- declare @execsqltmp varchar(16384)
- /*定義臨時(shí)表表名*/
- declare @dt varchar(10) --生成臨時(shí)表的隨機(jī)數(shù)
- set @dt=substring(convert(varchar, rand()), 3, 10) --一個(gè)字符型的隨機(jī)數(shù)
- 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
調(diào)用
- $sSQL = " exec SP_PHP_PAGE '$sSQL',$iStart,$iLimit,'iId'";
- $pRow = $this->m_hDb->GetResult ( $sSQL );
- $this->m_hDb->Excute ( $pRow->sql );
- $pData = $this->m_hDb->Select($pRow->sqlTmp);
【編輯推薦】
Sybase數(shù)據(jù)庫(kù)修復(fù)的兩種情況
Sybase數(shù)據(jù)倉(cāng)庫(kù)大鵬證券應(yīng)用案例
責(zé)任編輯:段燃
來(lái)源:
互聯(lián)網(wǎng)