Re: WIP Patch for GROUPING SETS phase 1 - Mailing list pgsql-hackers

From Greg Stark
Subject Re: WIP Patch for GROUPING SETS phase 1
Date
Msg-id CAM-w4HNi7Qq19erLYitiZE0fdy=0h6s68Kc+Y_MRUFhQf_P8bw@mail.gmail.com
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In response to Re: WIP Patch for GROUPING SETS phase 1  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: WIP Patch for GROUPING SETS phase 1
List pgsql-hackers
On Fri, Aug 22, 2014 at 7:02 PM, Tom Lane <tgl@sss.pgh.pa.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.

Personally I would love to change the name because I always found the
name the most confusing thing about it. It took me forever to figure
out what on earth a "cube" was. It's actually a vector data type which
is actually a pretty useful idea.

-- 
greg



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