Tom,
You indicate trigger, rather than rule. Going by Momjian's book, he
indicates that rules are "...ideal for when the action affects other
tables." Can you clarify why you would use a trigger for this? I'm asking
because I have no clue how to use rules or triggers, but need one or the
other to modify a second table on inserts/deletes to the first table. I'd
like to make the best choice first if possible.
Thanks,
Rob
> -----Original Message-----
> From: Tom Lane [mailto:tgl@sss.pgh.pa.us]
> Sent: Wednesday, March 14, 2001 11:09 AM
> To: Tim Perdue
> Cc: pgsql-sql@postgresql.org
> Subject: Re: [SQL] Rule/currval() issue
>
>
> Tim Perdue <tim@perdue.net> writes:
> > This is related to the plpgsql project I was working on
> this morning. I'm
> > trying to create a rule, so that when a row is inserted
> into a certain table,
> > we also create a row over in a "counter table". The problem
> lies in getting
> > the primary key value (from the sequence) so it can be
> inserted in that
> > related table.
>
> You probably should be using a trigger, not a rule at all.
>
> regards, tom lane
>
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