Re: Triggers using PL/pgSQL

On Sun, 2006-07-30 at 21:16 -0700, Thusitha Kodikara wrote:
> Hello,
>
> I am interested in developing some triggers to keep track of records
> that are changed (possibly the changes of one or more specific
> columns). In addition to keeping the new values, I also need to keep
> the old values (may be on a separate table).
>
> Though I have done similar things in other RDBMs using SQL, I find
> doing this in Postgres, a little bit complicated - may be because it
> needs to be done through a separate procedural language and through a
> separate function. The Postgres documentation also didn't provide much
> help ( the examples in C). I was mainly looking for example showing
> how to refer 'OLD' and 'NEW' rows using PL/pgSQL.
>
> Can someone please direct me to some such examples?
>
> Thanks and regards,
> -Thusitha

I too am very interested in this!

-Ken