From: | "Thies C(dot) Arntzen" <thies(at)thieso(dot)net> |
---|---|
To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
Cc: | "Thies C(dot) Arntzen" <thies(at)digicol(dot)de>, Rasmus(at)candle(dot)pha(dot)pa(dot)us, Lerdorf <rasmus(at)php(dot)net>, PostgreSQL-interfaces <pgsql-interfaces(at)postgresql(dot)org> |
Subject: | Re: PostgreSQL and PHP persistent connections |
Date: | 2001-02-09 13:41:54 |
Message-ID: | 20010209144154.A23220@schnuffel.thieso.net |
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Lists: | pgsql-interfaces pgsql-jdbc |
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
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