批量插入的触发触发器 [英] Firing trigger for bulk insert
问题描述
ALTER TRIGGER [dbo].[TR_O_SALESMAN_INS]
ON [dbo].[O_SALESMAN]
AFTER INSERT
AS
BEGIN
-- SET NOCOUNT ON added to prevent extra result sets from
-- interfering with SELECT statements.
SET NOCOUNT ON;
-- Insert statements for trigger here
DECLARE @SLSMAN_CD NVARCHAR(20)
DECLARE @SLSMAN_NAME NVARCHAR(20)
SELECT @SLSMAN_CD = SLSMAN_CD,@SLSMAN_NAME=SLSMAN_NAME
FROM INSERTED
IF NOT EXISTS(SELECT * FROM O_SALESMAN_USER WHERE SLSMAN_CD = @SLSMAN_CD)
BEGIN
INSERT INTO O_SALESMAN_USER(SLSMAN_CD, PASSWORD, USER_CD)
VALUES(@SLSMAN_CD, @SLSMAN_CD,@SLSMAN_NAME )
END
END
这是为 table(O_SALESMAN)
编写的触发器,用于从中获取几列并将其插入另一个 table(O_SALESMAN_USER)
.目前,批量数据通过存储过程插入到 O_SALESMAN
表中,其中触发器仅被触发一次,并且 O_SALESMAN_USER
每次只插入一条记录正在执行过程,我希望触发器在插入到 O_SALESMAN
中的每条记录之后运行,这样两个表都应该具有相同的计数,这不会发生..所以请让我知道可以修改的内容在这个触发器中实现相同....
This is the trigger written for a table(O_SALESMAN)
to fetch few columns from it and insert it into one another table(O_SALESMAN_USER)
. Presently bulk data is getting inserted into O_SALESMAN
table through a stored procedure, where as the trigger is getting fired only once and O_SALESMAN_USER
is having only one record inserted each time whenever the stored procedure is being executed,i want trigger to run after each and every record that gets inserted into O_SALESMAN
such that both tables should have same count which is not happening..so please let me know what can be modified in this Trigger to achieve the same....
推荐答案
您可以按如下方式使用游标:
you can use a cursor as follows:
create trigger trg_insertstuff
on [O_SALESMAN]
after insert
as
DECLARE @SLSMAN_CD NVARCHAR(20)
DECLARE @SLSMAN_NAME NVARCHAR(20)
declare db_cursor CURSOR FOR
SELECT SLSMAN_CD, SLSMAN_NAME
from inserted
OPEN db_cursor
FETCH NEXT FROM db_cursor INTO @SLSMAN_CD , @SLSMAN_NAME
WHILE @@FETCH_STATUS = 0
BEGIN
IF NOT EXISTS(SELECT * FROM O_SALESMAN_USER WHERE SLSMAN_CD = @SLSMAN_CD)
BEGIN
INSERT INTO O_SALESMAN_USER(SLSMAN_CD, PASSWORD, USER_CD)
VALUES(@SLSMAN_CD, @SLSMAN_CD,@SLSMAN_NAME )
END
FETCH NEXT FROM db_cursor INTO @SLSMAN_CD , @SLSMAN_NAME
end
CLOSE db_cursor
DEALLOCATE db_cursor
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