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Re: How to distinguish operation type in trigger?

Posted by M A Srinivas on 05/31/07 11:48

On May 31, 3:19 pm, Hubert Trzewik <hubert.trze...@gmail.com> wrote:
> Hi,
>
> I want to have all-in-one trigger, defined like this:
>
> CREATE TRIGGER MyInsertDeleteUpdateHandler
> ON MyTable
> FOR DELETE, INSERT, UPDATE
> AS
> BEGIN
> (...)
> END
>
> Now, how can I tell why this trigger was fired (what event caused
> trigger to be fired) - was it DELETE, INSERT or UPDATE?
>
> Is there something like this: @@event_type,
> so I could do for example IF (@@event_type = DELETE) (...)
>
> Of course I can create 3 triggers instead of 1, to be sure what event
> fired my trigger.
>
> I can also count records in _deleted_, _inserted_ tables or to do
> JOINs with it. But, _inserted_ table is common for UPDATE and INSERT
> events..
>
> Any suggestions?
> Thanks in advance.
>
> Hubert

For Inserted : Rows are in inserted only
For Updated: Rows are in inserted and deleted
For deleted: Rows are in deleted only

 

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