Re: subtransactions -- storage manager

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Simon Riggs <simon(at)2ndquadrant(dot)com>
Cc: Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl>, Patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: subtransactions -- storage manager
Date: 2004-04-30 13:49:08
Message-ID: 200404301349.i3UDn8f09868@candle.pha.pa.us
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Simon Riggs wrote:
> > > If you add pg_subtrans, you will need to make recovery work all over
> > > again...really, you don't want to be doing that, do you?
> > >
> > > I also have other questions....
> > > Forgive my lack of attention: I want SAVEPOINTs, not subtransactions...
> > > how do we do those?
> >
> > Savepoints are basically just a BEGIN at the save point, and a ROLLBACK
> > to get you back to the saved spot. It is just window-dressing on top of
> > nested transactions.
> >
>
> OK, but is anybody working on the window dressing bit, so that we have
> ANSI compliant commands?

Not sure but that part should be easy once we have the stuff working.

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