Received: from localhost (unknown [200.46.204.183])
	by postgresql.org (Postfix) with ESMTP id 9037964FCCF
	for <pgsql-hackers-postgresql.org@postgresql.org>;
	Fri, 19 Sep 2008 17:14:25 -0300 (ADT)
Received: from postgresql.org ([200.46.204.86])
	by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024)
	with ESMTP id 35687-08 for
	<pgsql-hackers-postgresql.org@postgresql.org>;
	Fri, 19 Sep 2008 17:14:21 -0300 (ADT)
X-Greylist: from auto-whitelisted by SQLgrey-1.7.6
Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130])
	by postgresql.org (Postfix) with ESMTP id AA3EE64FCC7
	for <pgsql-hackers@postgresql.org>;
	Fri, 19 Sep 2008 17:14:21 -0300 (ADT)
Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1])
	by sss.pgh.pa.us (8.14.2/8.14.2) with ESMTP id m8JKEGFf025234;
	Fri, 19 Sep 2008 16:14:17 -0400 (EDT)
To: "Merlin Moncure" <mmoncure@gmail.com>
cc: "Andrew Chernow" <ac@esilo.com>,
	"Alvaro Herrera" <alvherre@commandprompt.com>,
	PostgreSQL-development <pgsql-hackers@postgresql.org>
Subject: Re: [PATCHES] libpq events patch (with sgml docs) 
In-reply-to: <b42b73150809191139r72a0e87av2cebf8812baae984@mail.gmail.com> 
References: <48C18533.2000204@esilo.com> <454.1221626213@sss.pgh.pa.us>
	<48D0DFBE.9050900@esilo.com> <8872.1221653812@sss.pgh.pa.us>
	<48D1041D.5070808@esilo.com> <10839.1221658586@sss.pgh.pa.us>
	<48D11443.4010608@esilo.com> <48D11631.8070709@esilo.com>
	<28666.1221840662@sss.pgh.pa.us> <48D3EBEC.1040503@esilo.com>
	<b42b73150809191139r72a0e87av2cebf8812baae984@mail.gmail.com>
Comments: In-reply-to "Merlin Moncure" <mmoncure@gmail.com>
	message dated "Fri, 19 Sep 2008 14:39:27 -0400"
Date: Fri, 19 Sep 2008 16:14:16 -0400
Message-ID: <25233.1221855256@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
X-Virus-Scanned: Maia Mailguard 1.0.1
X-Spam-Status: No, hits=0 tagged_above=0 required=5 tests=none
X-Spam-Level: 
X-Archive-Number: 200809/1270
X-Sequence-Number: 124399

"Merlin Moncure" <mmoncure@gmail.com> writes:
> On Fri, Sep 19, 2008 at 2:14 PM, Andrew Chernow <ac@esilo.com> wrote:
>> BTW, the event system might be an alternative solution for PGNoticeHooks
>> (PGEVT_NOTICE).

> Another possible use of the event hooks -- just spitballing here -- is
> to generate an event when a notification comes through (you would
> still receive events the old way., by command or PQconsumeInput).

Seems rather pointless; you'd just be adding multiple ways to do things
we can do perfectly well now.

> Maybe this would eventually replace the current notification interface
> (wasn't this going to be changed anyways?)

No, I don't think anyone was unhappy with the libpq API for it.

			regards, tom lane