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Re: PostgreSQL and PHP persistent connections

From: Peter Mount <peter(at)retep(dot)org(dot)uk>
To: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "Thies C(dot) Arntzen" <thies(at)digicol(dot)de>, rasmus(at)php(dot)net, PostgreSQL-interfaces <pgsql-interfaces(at)postgresql(dot)org>
Subject: Re: PostgreSQL and PHP persistent connections
Date: 2001-02-07 22:07:28
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-interfacespgsql-jdbc
At 15:50 07/02/01 -0500, Bruce Momjian wrote:
> > Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > > 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,
> >
> > How is that an improvement?  It only changes the case in which you get
> > a NOTICE from not-in-transaction to in-transaction ...
>Well, the most common case is that you are not in a transaction.

Also (JDBC again), it would ensure that no transaction was around when a 
connection was passed to a new client. By default it should be in 
autocommit mode.


>   Bruce Momjian                        |
>   pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 853-3000
>   +  If your life is a hard drive,     |  830 Blythe Avenue
>   +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026

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