Re: WIP Patch for GROUPING SETS phase 1

* Andrew Dunstan (andrew(at)dunslane(dot)net) wrote:
>
> On 08/22/2014 02:42 PM, Greg Stark wrote:
> >On Fri, Aug 22, 2014 at 7:02 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> >>So the proposal you are pushing is going
> >>to result in seriously teeing off some fraction of our userbase;
> >>and the argument why that would be acceptable seems to boil down to
> >>"I think there are few enough of them that we don't have to care"
> >>(an opinion based on little evidence IMO
> >FWIW here's some evidence... Craig Kersteins did a talk on the
> >statistics across the Heroku fleet: Here are the slides from 2013
> >though I think there's an updated slide deck with more recent numbers
> >out there:
> >https://speakerdeck.com/craigkerstiens/postgres-what-they-really-use
> >
> >Cube shows up as the number 9 most popular extension with about 1% of
> >databases having it installed (tied with pg_crypto and earthdistance).
> >That's a lot more than I would have expected actually.
>
>
> That's an interesting statistic. What I'd be more interested in is
> finding out how many of those are actually using it as opposed to
> having loaded it into a database.

Agreed- and how many of those have *every extension available* loaded...

Thanks,

Stephen