oracle高效分页存储过程代码 create or replace package p_page is -- author : pharaohs -- created : 2006-4-30 14:14:14 -- purpose : 分页过程 type type_cur is ref cursor --定义游标变量用于返回记录集
procedure pagination( pindex in number --分页索引 psql in varchar2 --产生dataset的sql语句 psize in number --页面大小 pcount out number --返回分页总数 v_cur out type_cur --返回当前页数据记录 )
procedure pagerecordscount( psqlcount in varchar2 --产生dataset的sql语句 prcount out number --返回记录总数 )
end p_page / create or replace package body p_page is
procedure pagination( pindex in number psql in varchar2 psize in number pcount out number v_cur out type_cur ) as
v_sql varchar2(1000) v_count number v_plow number v_phei number begin ------------------------------------------------------------取分页总数 v_sql := ' select count() from (' || psql || ' )' ute immediate v_sql into v_count pcount := ceil(v_count/psize) ------------------------------------------------------------显示任意页内容 v_phei := pindex psize + psize v_plow := v_phei - psize + 1 --psql := ' select rownum rn t. from zzda t' --要求必须包含rownum字段 v_sql := ' select from (' || psql || ' ) where rn between ' || v_plow || ' and ' || v_phei
open v_cur for v_sql
end pagination
--
procedure pagerecordscount( psqlcount in varchar2 prcount out number ) as
v_sql varchar2(1000) v_prcount number
begin
v_sql := ' select count() from (' || psqlcount || ' )' ute immediate v_sql into v_prcount prcount := v_prcount --返回记录总数
end pagerecordscount
-- end p_page /
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