From: Ken Hill <ken@scottshill.com>
To: Thusitha Kodikara <kthusi@yahoo.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: Triggers using PL/pgSQL
Date: Mon, 31 Jul 2006 08:47:50 -0700
Message-ID: <1154360871.11723.2.camel@ken-laptop> (raw)
In-Reply-To: <20060731041644.32247.qmail@web56610.mail.re3.yahoo.com>
References: <20060731041644.32247.qmail@web56610.mail.re3.yahoo.com>
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
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To: pgsql-sql@postgresql.org
Cc: ken@scottshill.com, kthusi@yahoo.com
Subject: Re: Triggers using PL/pgSQL
In-Reply-To: <1154360871.11723.2.camel@ken-laptop>
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