日期:2014-05-17 浏览次数:20830 次
set ANSI_NULLS ON set QUOTED_IDENTIFIER ON go ALTER proc [dbo].[QueryPagedTable] @PageSize int, @PageNo int, @Table sysname, @Filter nvarchar(1000), @Order nvarchar(500) as begin IF (LEN(@Order) > 0) SET @Order = ' ORDER BY ' + @Order ELSE SET @Order = ' ORDER BY ID ' declare @newSql Nvarchar(max) set @newSql='' declare @beginPage as nvarchar(100) --开始数字 set @beginPage=(@PageNo*@PageSize)-(@pageSize-1) declare @endPage nvarchar(100) set @endPage=@beginPage+@PageSize-1 set @newSql='select * from ( SELECT Row_Number() over('+ @order +') as rowNum,* from '+@Table+' as aa where '+@Filter+') as yy where rowNum BETWEEN '+ @beginPage+' and '+@endPage+ @Order print @newSql exec (@newSql) end
--转换 create or replace procedure QueryPagedTable( p_pagesize int, p_pageno int, p_table varchar2, p_filter varchar2, p_order in out varchar2 ) is v_sql varchar2(4000) := ''; v_begPage varchar2(100) := ''; v_endPage varchar2(100) := ''; type cur_type is ref cursor; cur cur_type; v_cols varchar2(4000):=''; v_col varchar2(30):=''; v_sqlcol varchar2(4000):=''; begin if (length(p_order)>0) then p_order := ' ORDER BY '|| p_order; else p_order := ' ORDER BY ID'; end if; v_begPage := p_pageno*p_pagesize-(p_pagesize-1); v_endPage := to_number(v_begPage)+p_pagesize-1; v_sqlcol := 'select column_name from user_tab_columns where table_name=upper('''||p_table||''')'; open cur for v_sqlcol; loop fetch cur into v_col; exit when cur%notfound; v_cols := v_cols||','||v_col; end loop; close cur; v_sql := 'select * from ( SELECT Row_Number() over('|| p_order ||') rn'||v_cols||' from '||p_table||' aa where '||p_filter||') yy where rn BETWEEN '|| v_begPage ||' and '|| v_endPage || p_order; dbms_output.put_line(v_sql); execute immediate v_sql; end; /
------解决方案--------------------
如果你的oracle版本是oracle9i以后,直接用sys_refcursor就可以了
------解决方案--------------------
create or replace procedure QueryPagedTable(
p_pagesize int,
p_pageno int,
p_table varchar2,
p_filter varchar2,
p_order in out varchar2
)
is
v_sql varchar2(4000) := '';
v_begPage varchar2(100) := '';
v_endPage varchar2(100) := '';
type cur_type is ref cursor;
cur cur_type;
v_cols varchar2(4000):='';
v_col varchar2(30):='';
v_sqlcol varchar2(4000):='';
begin
if (length(p_order)>0) then
p_order := ' ORDER BY '|| p_order;
else
p_order := ' ORDER BY ID';
end if;
v_begPage := p_pageno*p_pagesize-(p_pagesize-1);
v_endPage := to_number(v_begPage)+p_pagesize-1;
v_sqlcol := 'select column_name from user_tab_columns where table_name=upper('''||p_table||''')';
open cur for v_sqlcol;
loop
fetch cur into v_col;
exit when cur%notfound;
v_cols := v_cols||','||v_col;
end loop;
close cur;
v_sql := 'select * from (
SELECT Row_Number() over('|| p_order ||') rn'||v_cols||' from '||p_table||' aa where '||p_filter||') yy
where rn BETWEEN '|| v_begPage ||' and '|| v_endPage || p_order;
dbms_output.put_line(v_sql);
execute immediate v_sql;
end;
/
declare
v_pagesize int := 10;
v_pageno int := 2;
v_table varchar2(50) := 'emp';
v_filter varchar2(1000) := 'empno=7369';