分頁儲存過程 Oracle版

在oracle中使用分頁儲存過程相比較sql server來說，要複雜一些，資料集的返回需要使用游標。本人的分頁儲存過程是在oracle包中實現的。

--首先定義包頭部分

--pfilter引數為查詢條件字串，如「 ncid='1' and ndate='2012-1-1'」

create or replace package pkg_news is

type curbase is ref cursor;

procedure searchnews (pfilter in varchar2,ppage number,precordperpage out number,pallrecord out number,curnews out curbase);

end;

--然後定義包的主體部分

create or replace package body pkg_news is

--搜尋新聞，注意分頁部分還可以再優化一下。

procedure searchnews (pfilter in varchar2,ppage number,precordperpage out number,pallrecord out number,curnews out curbase) is

vsql varchar(1000);

begin

precordperpage:=30;

vsql:='select count(*) from v3news where (1=1)  ' || pfilter;

execute immediate vsql into pallrecord;

vsql:='select rnum,nid,ncid,ncname,nfrom,nname,ndate,nclick from (select rownum rnum,v3news.* from v3news where (1=1) '|| pfilter || ') v3news  where rnum>' ||

to_char((ppage-1)*precordperpage) || ' and rnum<=' || to_char(ppage*precordperpage);

open curnews for vsql ;

end;

end;

.net程式dao層

using

system;
using
system.collections.generic;
using
system.text;
using
system.data;
using
system.data.oracleclient;
namespace
newsdal
catch
(exception e)
finally}}
}

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第一步要先建立包 create or replace package pkg query is type cur query is ref cursor procedure met down query m tablename in varchar2,表名 m strwhere in varchar...