From: Bruce Momjian <pgman@candle.pha.pa.us>
To: Alvaro Herrera <alvherre@commandprompt.com>
Cc: David Rysdam <drysdam@ll.mit.edu>
Cc: pgsql-interfaces@postgresql.org
Subject: Re: Not clear on what PQgetResult does
Date: Tue, 22 Nov 2005 17:33:18 -0500 (EST)
Message-ID: <200511222233.jAMMXI925739@candle.pha.pa.us> (raw)
In-Reply-To: <20051117211635.GD10976@surnet.cl>
Alvaro Herrera wrote:
> David Rysdam wrote:
> > Joshua D. Drake wrote:
> >
> > >>>It isn't. You can use it in an asynchronous client, but the way you do
> > >>>that is by not calling it until PQisBusy says you can (which means the
> > >>>whole result has arrived, and you're just calling PQgetResult to get
> > >>>hold of it).
> > >>>
> > >>So there's no way to have libpq return partial results before they
> > >>are all ready?
> > >>
> > >>If I may, I would like to express some degree of incredulity. Even
> > >>the version of Sybase I'm using does this right and it's from 1997!
> > >
> > >I am sure we would welcome a patch ;))
> >
> > To be honest, this is almost enough to drive me away from PG.
>
> If you are in need of partial results you may as well use a cursor and
> fetch from it, a bunch at a time.
Right, this is the standard way.
> > Or are there underlying server reasons why this won't work?
>
> This topic was discussed four days ago I think ... look for a thread
> with subject "Incremental results from libpq" on the archives of this
> list.
That thread has already been condensed into a TODO entry.
--
Bruce Momjian | http://candle.pha.pa.us
pgman@candle.pha.pa.us | (610) 359-1001
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To: pgsql-interfaces@postgresql.org
Cc: pgman@candle.pha.pa.us, alvherre@commandprompt.com, drysdam@ll.mit.edu
Subject: Re: Not clear on what PQgetResult does
In-Reply-To: <200511222233.jAMMXI925739@candle.pha.pa.us>
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