Re: Multiple Xids in PGPROC?

From: Rod Taylor <pg(at)rbt(dot)ca>
To: Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>
Cc: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl>, Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Multiple Xids in PGPROC?
Date: 2004-05-05 04:41:14
Message-ID: 1083732074.54823.15.camel@jester
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On Wed, 2004-05-05 at 00:45, Christopher Kings-Lynne wrote:
> > Yup.. And some of us intend on wrapping every single statement in a
> > subtransaction so we can rollback on an error without aborting the main
> > transaction.
>
> Point there being "main transaction". What i'm saying is that the vast
> majority of your "transactions" will be single statements. eg. single
> selects, single updates, etc.

Actually, they're not. A vast majority of my transactions are over 5
statements -- each of which is eagerly anticipating being wrapped in a
subtransaction.

> > In fact, I would be surprised if tools like psql went very long without
> > doing the same thing so users can recover from spelling mistakes.
>
> If the user does an explicit BEGIN, then perhaps we might, but how often
> does the user do an explicit BEGIN?

What user? Users aren't allowed in production. Strictly code.

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