带排序的oracle分页存储过程

create or replace package Pager
is
type curs is ref cursor;
procedure Pagination
(
inPageSize in integer, --每页记录数
inPageIndex in integer, --当前页数
inTableName in varchar2, --表名
inOrderField in varchar2,--排序字段
inIsOrderBy in varchar2,--排序类别，输入'  desc' 或者' asc'
inWhere in varchar2,--查询条件
outRecordCount out int, --总记录数
outPageCount out int,
outCursor out curs --游标变量
);
end;
create or replace package body Pager
is
procedure Pagination
(
inPageSize in integer, --每页记录数
inPageIndex in integer, --当前页数
inTableName in varchar2, --表名
inOrderField in varchar2,--排序字段
inIsOrderBy in varchar2,--排序类别，输入'  desc' 或者' asc'
inWhere in varchar2,--查询条件
outRecordCount out int, --总记录数
outPageCount out int,
outCursor out curs --游标变量
)
is
v_sql  varchar2(3000); --总的sql语句
v_sql_count varchar2(3000); --总记录的sql语句
v_sql_order varchar2(2000); --排序的sql语句
v_count int; -- --总记录数
v_endrownum int; --结束行
v_startrownum int; --开始行
begin
  if inOrderField!='NO' then
      v_sql_order :=' ORDER BY '|| inOrderField ||' '||inIsOrderBy;
  else
      v_sql_order :='';
  end if;
  if inWhere is not null then
    v_sql_count:='SELECT COUNT(ROWNUM) from '||inTableName||' where '||inWhere;
  else
      v_sql_count:='SELECT COUNT(ROWNUM) from '||inTableName;
  end if;
  execute immediate v_sql_count into v_count;
  outRecordCount := v_count;
  if mod(v_count,inPageSize)=0 then
     outPageCount:= v_count/inPageSize;
  else
     outPageCount:= v_count/inPageSize+1;
  end if;
 
  v_startrownum:= 1+(inPageIndex-1)*inPageSize;
  v_endrownum:= inPageIndex*inPageSize;
  
   if inWhere is not null then
   v_sql := 'SELECT * fro