On Fri, 4 Jan 2002, Bhuvan A wrote:
> Well, now i would like to maintain modify_time for every updation. how
> can i? Using common plpgsql function i cant even able to refer OID
> even during UPDATION. The result is
>
> ERROR: record old has no field oid
> or
> ERROR: record new has no field oid
>
> One way: i can have seperate plpgsql function for every table and
> apply conditions accordingly. But i dont think thats the consistent
> way.
>
> how else can i maintain modify_time field ?
Would a before update trigger function something like:
beginNEW.modify_time=now();return NEW;
end;
do what you want?