Horton

Re: WIP: multivariate statistics / proof of concept

Tomas Vondra <tomas.vondra@2ndquadrant.com>

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From: Tomas Vondra <tomas.vondra@2ndquadrant.com>
To: Jeff Janes <jeff.janes@gmail.com>, Stephen Frost <sfrost@snowman.net>
Cc: Kyotaro HORIGUCHI <horiguchi.kyotaro@lab.ntt.co.jp>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2015-04-28T18:15:50Z
Lists: pgsql-hackers 
Hi,

On 04/28/15 19:36, Jeff Janes wrote:
 >
...
>
> Thanks. I think I tried that, but was still having trouble. But it
> turns out that the trouble was for an unrelated reason, and I got it
> to compile now.

Yeah, a new column was added to pg_proc the day after I submitted the 
pacth. Will address that in a new version, hopefully in a few days.

>
> Some of the fdw's need a patch as well in order to compile, see
> attached.

Thanks, I forgot to tweak the clauselist_selectivity() calls contrib :-(


--
Tomas Vondra                  http://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

Commits

  1. Collect and use multi-column dependency stats

  2. Implement SortSupport for macaddr data type

  3. Implement multivariate n-distinct coefficients

  4. Generate fmgr prototypes automatically