从详细信息表更新摘要表

Question

我有两个名为

的表

PROD_DET 
( ID , PROD_SUMM_ID, TRANS_DATE,  EMP_ID,  PROC_ID ,  PCS)

和

PROD_SUMM
( ID , TRANS_DATE,  EMP_ID,  PROC_ID ,  PCS)

现在每当记录插入PROD_DET表时，

我想Insert（如果唯一的TRANS_DATE，EMP_ID，PROC_ID的记录不可用）/ Update（如果记录了唯一的TRANS_DATE，EMP_ID，PROC_ID可用）我的PROD_SUMM表格为，

1. 来自PROD_DET的唯一TRANS_DATE      table应该放在PROD_SUMM表的TRANS_DATE中，

2. 唯一的EMP_ID和唯一的PROC_ID应该进入他们的 各栏目      在PROD_SUMM表中

3. 特殊情况TRANS_DATE的多个记录的PCS总和应该更新      PROD_SUMM表中的PCS列
来自PROD_SUMM表的
4. ID应更新为PROD_SUMM_ID列      PROD_DET表

我试过了一个触发器，但没有达到标记， 找到下面的截图

脚本来创建表格 ~~~~~~~~~~~~~~~~~~~~~~

CREATE TABLE [dbo].[PROD_DET](
    [ID] [int] IDENTITY(1,1) NOT NULL,
    [PROD_SUMM_ID] [int] NULL,
    [TRAN_DATE] [date] NOT NULL,
    [EMP_ID] [int] NOT NULL,
    [PROC_ID] [int] NOT NULL,
    [PCS] [smallint] NOT NULL, 
CONSTRAINT [PK_PROD_DET] PRIMARY KEY CLUSTERED 
( [ID] ASC ) WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY] ) ON [PRIMARY]

CREATE TABLE [dbo].[PROD_SUMM](
    [ID] [int] IDENTITY(1,1) NOT NULL,
    [TRAN_DATE] [date] NOT NULL,
    [EMP_ID] [int] NOT NULL,
    [PROC_ID] [int] NOT NULL,
    [PCS] [int] NOT NULL, 
CONSTRAINT [PK_PROD_SUMM] PRIMARY KEY CLUSTERED 
( [ID] ASC )WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY] ) ON [PRIMARY]

Answer 1

看粗糙的工作。有问题请问。

   Declare @tbl table([ID] [int] IDENTITY(1,1) NOT NULL,[TRAN_DATE] [date] NOT NULL,[EMP_ID] [int] NOT NULL,[PROC_ID] [int] NOT NULL,[PCS] [int] NOT NULL)

insert into PROD_DET
output inserted.TRANS_DATE,  inserted.EMP_ID,  inserted.PROC_ID ,  inserted.PCS into @tbl
values() -- for PROD_DET

merge  PROD_SUMM as target
using select id,b.TRAN_DATE,b.PCS,a.EMP_ID,a.PROC_ID from @tbl a inner join
(select TRAN_DATE,sum(PCS) PCS from @tbl group by TRAN_DATE) b on a.TRAN_DATE=b.TRAN_DATE) as source
on  target.TRANS_DATE=source.TRANS_DATE and target.EMP_ID=source.EMP_ID and target.PROC_ID =source.EMP_ID
when matched then
update
 set TRAN_DATE=source.TRAN_DATE,EMP_ID=source.EMP_ID,PROC_ID=source.PROC_ID,PCS=source.PCS
when not matched then
insert (TRAN_DATE,EMP_ID,PROC_ID,PCS) 
values(source.TRAN_DATE,source.EMP_ID,source.PROC_ID,source.PCS)