Oracle創(chuàng)建帶有參數(shù)的視圖代碼介紹

/* 按個人需要定義，我定義三個參數(shù) ，因我項目程序需要，所以三個參數(shù)都是number ，當然可定義其它類型
但切記，第二個create 的參數(shù)類型等需以第一個create一致，否則程序包創(chuàng)建失敗
*/
create or replace package p_view_param is 
    --參數(shù)一
  function set_param(num number) return number; 
  function get_param return number;
  --參數(shù)二
  function set_Type(num number) return number; 
  function get_Type return number;
  --參數(shù)三
  function set_Id(num number) return number; 
  function get_Id return number;
  end p_view_param; 
--
 create or replace package body p_view_param is 
    paramValue number; 
    paramType number; 
    paramId number; 
    -- Param
    function set_param(num number) return number is 
    begin 
     paramValue:=num; 
     return num; 
    end; 
    function get_param return number is 
    begin 
     return paramValue; 
    end; 
    -- Type
    function set_Type(num number) return number is 
    begin 
     paramType:=num; 
     return num; 
    end; 
    function get_Type return number is 
    begin 
     return paramType; 
    end;
    -- ID
    function set_Id(num number) return number is 
    begin 
     paramId:=num; 
     return num; 
    end; 
    function get_Id return number is 
    begin 
     return paramId; 
    end;
  end p_view_param;

/*
*定義視圖，where 后面跟參數(shù)，可自己拼裝，注意視圖字段要和select的字段匹配
*/
CREATE OR REPLACE VIEW abstract_sum_view(fa_id, aircraft_num,aircraft_weight,airline_code,anchor_pos)
      AS SELECT f.fa_id, f.aircraft_num,findweight(f.aircraft_num),f.airline_code,f.anchor_pos
      FROM tb_flight_abstract f
       where f.fa_id=p_view_param.get_Id(); --參數(shù)
--使用視圖，傳參
 select * from abstract_sum_view where p_view_param.set_id(3)=3 ;