SQL触发器：根据客户档案中的地区信息自动更新联系页中的省份和城市

USE [UFDATA_001_2017]
GO

/****** Object:  Trigger [dbo].[JDS_Customer_UPDATECITY]    Script Date: 07/06/2018 16:53:04 ******/
SET ANSI_NULLS ON
GO

SET QUOTED_IDENTIFIER ON
GO

CREATE TRIGGER [dbo].[JDS_Customer_UPDATECITY] ON [dbo].[Customer]
FOR INSERT, DELETE ,UPDATE（去掉，否则会报错嵌套层数不超过32）
NOT FOR REPLICATION
AS
BEGIN
SET NOCOUNT ON;

--前提：地区档案里的城市名称必须规范统一
--从客户档案里获取地区编码，从地区分类里获取城市

declare @CUScode varchar(20)
declare @city varchar(20)
declare @cProvince varchar(20)

select @CUScode=ccuscode from inserted

select @city=cDCName from DistrictClass
where cDCCode =
(select cdccode from customer where cCusCode=@CUScode)

--从省份表里获取省份

select @cProvince=vsimplename from HR_CT007 where ccodeID =(
select distinct cpCodeID from HR_CT007
where  ilevels in(1)  and vdescription like '%'+@city+'%')

--最后更新客户档案里的省份和城市
update customer
set cProvince=@cProvince,cCity=@city
where cCusCode=@CUScode

SET NOCOUNT OFF;
END

GO