Re: starting a stored procedure+rule AFTER an insert - Mailing list pgsql-general

From Douglas McNaught
Subject Re: starting a stored procedure+rule AFTER an insert
Date
Msg-id 87ve9hsqus.fsf@suzuka.mcnaught.org
Whole thread Raw
In response to starting a stored procedure+rule AFTER an insert  ("Bima Djaloeis" <bima.djaloeis.uni@googlemail.com>)
Responses Re: starting a stored procedure+rule AFTER an insert
List pgsql-general
"Bima Djaloeis" <bima.djaloeis.uni@googlemail.com> writes:

> I have implemented a stored procedure that writes out the newest DB
> entry on insert, and combined it with a rule.
>
> 1) create function newcache() returns void AS 'newCache', 'newCache' language
> c;
> 2) create rule newcacherule AS on insert to caches do also select newcache();
>
> The problem is that newcacherule fires BEFORE the insert has taken
> place, so effectively, I always just get the 2nd newest entry to
> write into my text file while the newest entry is "stuck in the
> queue" until a new insert come. How can I execute my rule AFTER the
> insert has taken place?

Rules effectively happen at query parse time.  You probably want an
AFTER trigger instead.

-Doug

pgsql-general by date:

Previous
From: "A. Kretschmer"
Date:
Subject: Re: Problem with SELECT
Next
From: "Merlin Moncure"
Date:
Subject: SPI dumping core on large palloc