oracle 视图 参数

创建包：

create or replace package p_view_param  is
   function set_param(num number) return number;
   function get_param  return number;  
end p_view_param;

实现包体：

create or replace package body p_view_param is
       paramValue number;
       function set_param(num number) return number is
       begin
         paramValue:=num;
         return num;
        end;
       function get_param return number is
       begin
         return paramValue;
       end;             
   end p_view_param;

创建视图：

create or replace view v_wms_inventory as
select MATERIAL_NO from WMS_INVENTORY@SSL_DB WHERE quantity=p_view_param.get_param()

查询SQL：

select * from v_wms_inventory where p_view_param.set_param(3050)=3050;