[英]SQL Server stored procedure restore my records if Insert failed
I want to know if there is a way to state rollback the delete if I can not insert. 我想知道如果我无法插入,是否有办法说明删除删除。
Please advice. 请指教。
Something like below. 像下面的东西。
BEGIN TRAN
Delete from MYTABLE where ID=@ID;
INSERT INTO MYTABLE (ID, NAME)
SELECT @ID, NAME
COMMIT
You can put your two statements into a TRY....CATCH
block and only commit if both statements succeed: 您可以将两个语句放入TRY....CATCH
块中,只有在两个语句都成功时才提交:
BEGIN TRANSACTION
BEGIN TRY
DELETE FROM dbo.MYTABLE WHERE ID=@ID;
INSERT INTO dbo.MYTABLE (ID, NAME)
SELECT @ID, NAME
-- COMMIT only if both DELETE and INSERT worked ....
COMMIT TRANSACTION
END TRY
BEGIN CATCH
SELECT
ERROR_NUMBER() AS ErrorNumber,
ERROR_SEVERITY() AS ErrorSeverity,
ERROR_STATE() AS ErrorState,
ERROR_PROCEDURE() AS ErrorProcedure,
ERROR_LINE() AS ErrorLine,
ERROR_MESSAGE() AS ErrorMessage
-- ROLLBACK if either DELETE and INSERT failed ....
ROLLBACK TRANSACTION
END CATCH
Turn xact_abort on to rollback the transaction on any error. 打开xact_abort以在任何错误上回滚事务。
SET XACT_ABORT ON;
BEGIN TRAN
Delete from MYTABLE where ID=@ID;
INSERT INTO MYTABLE (ID, NAME)
SELECT @ID, NAME
COMMIT TRAN
Here is another way to accomplish what you appear to be trying: 这是完成您似乎尝试的另一种方法:
update myTable
set name = @name
where id = @id
BEGIN TRAN
Delete from MYTABLE where ID=@ID;
INSERT INTO MYTABLE (ID, NAME)
SELECT @ID, NAME
if @@error = 0 and @@trancount > 0
commit
else
rollback
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