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How to prevent update when flag value is 1?
[Tmp] FOR UPDATE AS SET NOCOUNT ON IF EXISTS (SELECT NULL FROM dbo.Tmp t JOIN deleted i ON t.Id=i.Id AND i.Flag=1) BEGIN RAISERROR (‘You can not update when Flag value is 1’, 16, 1) ROLLBACK TRAN SET NOCOUNT OFF RETURN END SET NOCOUNT OFF
How to determine if insert or update trigger?
So you can use something like IF EXISTS (SELECT * FROM DELETED) to detect an update. You only have rows in DELETED on update, but there are always rows in INSERTED. Look for “inserted” in CREATE TRIGGER. After comment, this answer is only for INSERTED and UPDATED triggers.
How to trigger an update in SQL Server?
FROM deleted d INNER JOIN inserted i ON i. [id] = d. [id] — — Use INTERSECT to see if anything REALLY changed — WHERE NOT EXISTS ( SELECT i.* INTERSECT SELECT d.* ) END Note that this particular trigger assumes that your source table (the one triggering the trigger) and the history table have identical column layouts.
How to determine if insert or update exists?
IF EXISTS(SELECT * FROM DELETED) BEGIN SET @action = CASE WHEN EXISTS(SELECT * FROM INSERTED) THEN ‘U’ — Set Action to Updated. ELSE ‘D’ — Set Action to Deleted. END END ELSE IF NOT EXISTS(SELECT * FROM INSERTED) RETURN; — Nothing updated or inserted.
How to prevent updates to a table, with an SQL Server?
CREATE TRIGGER [Item_Update_AnyBilled] ON [dbo]. [Item] FOR UPDATE AS BEGIN SET NOCOUNT ON; DECLARE @AnyBilled BIT; SELECT TOP (1) @AnyBilled = 1 FROM inserted i JOIN deleted d ON i.ItemId = d.ItemId WHERE d.BillId IS NOT NULL; IF COALESCE (@AnyBilled, 0) = 1 BEGIN RAISERROR (2870486, 16, 1); — Cannot update a record that is part of a bill.
Is there way to get the Flag status whith this trigger?
06-20-2017 09:40 AM So, it there a way to get the flag status whith this trigger, or custom flag? Is a category considerd a flag. What I am trying to do is when and email is flagged (or assigned a color category) I want to actually save that message to a sharepoint list. The other one is to great a task in planner.
How to test the SQL trigger after update?
Using the clause WHERE OrderStatus=’Approved’ by itself to limit the rows updated will actually result in all rows with an OrderStatus value of Approved being updated at the same time. To test the trigger, we will execute a T-SQL UPDATE statement to set the OrderStatus value to “Approved” for the first row in the table (pkID = 1).