Sybase分页存储过程的实现
栏目:Sybase 来源:网络 关注:0 时间:2019-08-20Sybase分页存储过程应该如何实现呢?这是很多人都提到的问题,下面就为您介绍Sybase分页存储过程的写法,希望可以让您对Sybase分页存储过程有更多的了解。
create procedure SP_PHP_PAGE @qry varchar(16384),@iStart int, @iLimit int, @sKeyFiled varchar(32) as
/*@qry SQL语句, @iStart 开始, @iLimit 结束,@sKeyFiled 表中的主键 */
begin
declare @execSQL varchar(16384)
declare @execSQLtmp varchar(16384)
/*定义临时表表名*/
declare @dt varchar(10) --生成临时表的随机数
set @dt=substring(convert(varchar, rand()), 3, 10) --一个字符型的随机数
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
调用
$sSQL = " exec SP_PHP_PAGE '$sSQL',$iStart,$iLimit,'iId'";
$pRow = $this->m_hDb->GetResult ( $sSQL );
$this->m_hDb->Excute ( $pRow->SQL );
$pData = $this->m_hDb->Select($pRow->SQLTmp);
本文标题:Sybase分页存储过程的实现
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