I have a case where I am collecting a "Start Date" and an "End Date".
I would like to default the "End Date" to the "Start Date" value if only
the "Start Date" is entered.
I tried setting this as default on the table, but it was not permitted.
So, now I am trying to figure out how to do it with a trigger or
trigger/function combination.
I tried doing it with a rule using "INSTEAD" on INSERT, but that gave an
"endless recursion" error, which did make ssense after I looked at it
more closely.
I also tried making a trigger, which called a function that changed the
value of the NEW.enddate to the NEW.startdate value if NEW.enddate is
NULL, but I got an error saying that the NEW. values were not available
yet (doing trigger BEFORE INSERT).
Has anyone else done something like this, and if so, what approach
worked for you?
Thanks.
Barb
--
Barbara E. Lindsey,
COG RDC
Phone: (352) 392-5198 ext. 314 Fax: (352) 392-8162
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