Re: a column level trigger

Would that be this clause:
trigger-event
UPDATE OF column-name
as shown at
https://www.ibm.com/docs/en/i/7.5?topic=statements-create-trigger


On Wed, Jun 12, 2024 at 7:27 AM Jay Vaughn <jeffersonvaughn@xxxxxxxxx>
wrote:

so that certainly sounds logical... but I've only applied triggers to the
table before. How do you apply a column trigger?

With the addpftrg there is no specification for which column.

with sql create trigger, there is only an option for table to add trigger
to.

How do you apply your alleged column level trigger?

thanks

Jay



On Tue, Jun 11, 2024 at 6:33 PM Glenn Gundermann <
glenn.gundermann@xxxxxxxxx>
wrote:

You use a column trigger if you want an action to take place when the
column value is changed.
You use a table trigger on a read, update, insert, or delete of a row.

Yours truly,

Glenn Gundermann
Email: glenn.gundermann@xxxxxxxxx
Cell: (416) 317-3144



On Mon, 10 Jun 2024 at 16:31, Jay Vaughn <jeffersonvaughn@xxxxxxxxx>
wrote:

So need to perform some function (pgm), when an db2 table column

input

takes place.

At first thought a table trigger (that only processes that column)

sounds

fine.

But then maybe a field procedure that sits on the column itself.
I've only used field procedures for encryption and while I think they

may

work also fine for like a column level trigger... is that a good

idea?

I really don't like the idea of not being able to use sql though.

any other possibilities?

tia

Jay
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