Date: Fri, 9 Feb 2001 14:41:54 +0100
From: "Thies C. Arntzen" <thies@thieso.net>
To: Bruce Momjian <pgman@candle.pha.pa.us>
Cc: "Thies C. Arntzen" <thies@digicol.de>, Rasmus@candle.pha.pa.us,
	Lerdorf <rasmus@php.net>,
	PostgreSQL-interfaces <pgsql-interfaces@postgresql.org>
Subject: Re: PostgreSQL and PHP persistent connections
Message-ID: <20010209144154.A23220@schnuffel.thieso.net>
References: <200102071912.OAA27530@candle.pha.pa.us>
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	from pgman@candle.pha.pa.us on Wed, Feb 07, 2001 at 02:12:26PM
	-0500

On Wed, Feb 07, 2001 at 02:12:26PM -0500, Bruce Momjian wrote:
> Thies, we talked at LinuxWorld about improving the reliability of
> persistent PostgreSQL connections in PHP.
> 
> I believe the problem is that persistent connections sometime do not
> pass clean sessions because of open transactions and SET changes to the
> session.
> 
> We discussed using 'ROLLBACK' before passing a connection to a new user,
> but the problem was that ROLLBACK with no open transaction causes a
> server log error message.  We discussed adding 'ROLLBACK SILENT' to fix
> this, but I believe a better, more portable solution is a simple "BEGIN
> WORK;ROLLBACK".  This will do nothing if there is no open transaction,
> and will ROLLBACK any open transaction.  I propose this be sent by PHP
> as the first query when passing persistent connections.

    was there a conclusion made yet (that i missed somehow) on
    this subject? i'd like to implement *something* in the PHP
    core for this soon.

    regards,
    tc