> Date: Wed, 21 Mar 2012 11:00:59 -0400
> From: andrew@dunslane.net
> To: alvherre@commandprompt.com
> CC: tgl@sss.pgh.pa.us; robertmhaas@gmail.com; huangqiyx@hotmail.com; neil.conway@gmail.com; daniel@heroku.com; josh@agliodbs.com; pgsql-hackers@postgresql.org
> Subject: Re: [HACKERS] Gsoc2012 Idea --- Social Network database schema
>
>
>
> On 03/21/2012 10:47 AM, Alvaro Herrera wrote:
> > Excerpts from Tom Lane's message of mié mar 21 11:35:54 -0300 2012:
> >
> >> Now that would all be fine if this were a widely-desired feature, but
> >> AFAIR the user demand for it has been about nil. So I'm leaning to
> >> the position that we don't want it.
> > I disagree with there being zero interest ... the "order by random()"
> > stuff does come up occasionally.
> >
>
> Presumably the reason that's not good enough is that is scans the whole
> table (as well as being non-portable)? Maybe we could find some less
> invasive way of avoiding that.
>
> cheers
>
> andrew