Re: php with postgres

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>
Cc: Jan Wieck <JanWieck(at)Yahoo(dot)com>, Marcus Börger <marcus(dot)boerger(at)post(dot)rwth-aachen(dot)de>, ivan <iv(at)psycho(dot)pl>, Joe Conway <mail(at)joeconway(dot)com>, Dave Page <dpage(at)vale-housing(dot)co(dot)uk>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: php with postgres
Date: 2003-07-23 04:19:45
Message-ID: 200307230419.h6N4Jjr26539@candle.pha.pa.us
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Christopher Kings-Lynne wrote:
> > > DEBUG: InitPostgres
> > > DEBUG: StartTransactionCommand
> > > DEBUG: query: select getdatabaseencoding()
> > > DEBUG: ProcessQuery
> > > DEBUG: CommitTransactionCommand
> > > DEBUG: StartTransactionCommand
> > > DEBUG: query: RESET ALL
> > > DEBUG: ProcessUtility: RESET ALL
> > > DEBUG: CommitTransactionCommand
> > > DEBUG: StartTransactionCommand
> > > DEBUG: query: BEGIN;ROLLBACK;
> > > DEBUG: ProcessUtility: BEGIN;ROLLBACK;
> > > DEBUG: CommitTransactionCommand
> > > DEBUG: StartTransactionCommand
> > > DEBUG: ProcessUtility: BEGIN;ROLLBACK;
> > > DEBUG: CommitTransactionCommand
> > > DEBUG: pq_recvbuf: unexpected EOF on client connection
> > >
> >
> > And this is the wrong order of things. The BEGIN;ROLLBACK; has to be
> > done first, otherwise if the connection was left in an aborted open
> > transaction by the previous script, the other two actions will fail.
>
> Surely PHP can be modified so as to use the new 3.0 protocol feature to
> detect whether it's in a transaction or not, so as to avoid unnecssary
> querying?

Yes, you could, but it hardly seems worth it because they have to
support old and new protocols. Eventually, yes, they could use that to
eliminate the BEGIN;COMMIT.

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073

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