我想使用触发器插入多行,但只有一行被触发 [英] I want to insert multiple rows using trigger,but only 1 row gets fired
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问题描述
CREATE TRIGGER TRI_JOB
ON Emp1
FOR INSERT
AS
BEGIN
DECLARE @ EMPNO INT
, @ jobtitle VARCHAR ( 20 )
SELECT @ EMPNO = i.EMPNO,
@ jobtitle = i.jobTitle
FROM 插入i
IF EXISTS ( SELECT EMpNo FROM 员工
WHERE EMPNO = @ EMPNO)
更新 EMP1
SET jobtitle = @ jobtitle
WHERE EMPNO = @ EMPNO
ELSE
INSERT INTO JOB(EMPNO) ,jobtitle)
VALUES ( @ EMPNO , @jobtitle )
SELECT EMPNO,JobTitle
FROM EMP1
END
GO
插入 进入 EMP1(EMPNO,Jobtitle)
值( 1 ,' Tester')
,( 2 ,' 会计')
,( 3 ,' 开发人员')
,( 9 ,' 开发人员')
解决方案
< blockquote>尝试四个插入查询
插入 进入 EMP1(EMPNO,Jobtitle)
值( 1 ,' 测试者')
插入 < span class =code-keyword> into EMP1(EMPNO,Jobtitle)
values ( 2 ,' 会计')
插入 into EMP1(EMPNO,Jobtitle)
values ( 3 ,' 开发人员')
插入 进入 EMP1(EMPNO,Jobtitle)
值 ( 9 ,' 开发人员')
CREATE TRIGGER TRI_JOB
ON Emp1
FOR INSERT
AS
BEGIN
DECLARE @EMPNO INT
,@ jobtitle VARCHAR(20)
SELECT @EMPNO = i.EMPNO,
@jobtitle = i.jobTitle
FROM FROM i
IF EXISTS(SELECT EMpNo FROM Employees
哪里有EMPNO = @EMPNO)
更新EMP1
SET jobtitle = @ jobtitle
WHERE EMPNO = @ EMPNO
ELSE
INSERT INTO JOB(EMPNO,jobtitle)
SELECT EMPNO,JobTitle
来自EMP1
结束
GO
- DROP TRIGGER TRI_JOB
-------------- -------------------------------------------------- -------------------------------------------------- ----------------------
插入EMP1(EMPNO,Jobtitle)
值(1, '测试员')
,(2,'会计')
,(3,'开发人员')
,(9,'开发人员')
SELECT * FROM job
SELECT * FROM EMP1
CREATE TRIGGER TRI_JOB
ON Emp1
FOR INSERT
AS
BEGIN
DECLARE @EMPNO INT
,@jobtitle VARCHAR(20)
SELECT @EMPNO = i.EMPNO,
@jobtitle = i.jobTitle
FROM inserted i
IF EXISTS(SELECT EMpNo FROM Employees
WHERE EMPNO =@EMPNO)
UPDATE EMP1
SET jobtitle =@jobtitle
WHERE EMPNO =@EMPNO
ELSE
INSERT INTO JOB (EMPNO,jobtitle)
VALUES(@EMPNO,@jobtitle)
SELECT EMPNO,JobTitle
FROM EMP1
END
GO
insert into EMP1 (EMPNO, Jobtitle)
values (1,'Tester')
,(2,'Accountant')
,(3,'Developer')
,(9,'Developer')
解决方案
Try four insert queries
Insert into EMP1 (EMPNO, Jobtitle) values (1,'Tester') Insert into EMP1 (EMPNO, Jobtitle) values (2,'Accountant') Insert into EMP1 (EMPNO, Jobtitle) values (3,'Developer') Insert into EMP1 (EMPNO, Jobtitle) values(9,'Developer')
CREATE TRIGGER TRI_JOB
ON Emp1
FOR INSERT
AS
BEGIN
DECLARE @EMPNO INT
,@jobtitle VARCHAR(20)
SELECT @EMPNO = i.EMPNO,
@jobtitle = i.jobTitle
FROM inserted i
IF EXISTS(SELECT EMpNo FROM Employees
WHERE EMPNO =@EMPNO)
UPDATE EMP1
SET jobtitle =@jobtitle
WHERE EMPNO =@EMPNO
ELSE
INSERT INTO JOB (EMPNO,jobtitle)
SELECT EMPNO,JobTitle
FROM EMP1
END
GO
--DROP TRIGGER TRI_JOB
----------------------------------------------------------------------------------------------------------------------------------------
insert into EMP1 (EMPNO, Jobtitle)
values (1,'Tester')
,(2,'Accountant')
,(3,'Developer')
,(9,'Developer')
SELECT * FROM job
SELECT * FROM EMP1
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