Horton

Re: multivariate statistics (v25)

David Rowley <david.rowley@2ndquadrant.com>

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From: David Rowley <david.rowley@2ndquadrant.com>
To: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: Tomas Vondra <tomas.vondra@2ndquadrant.com>, Kyotaro HORIGUCHI <horiguchi.kyotaro@lab.ntt.co.jp>, David Fetter <david@fetter.org>, dean.a.rasheed@gmail.com, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2017-03-17T02:59:15Z
Lists: pgsql-hackers 
On 17 March 2017 at 11:20, Alvaro Herrera <alvherre@2ndquadrant.com> wrote:
> (I think I lost some regression test files.  I couldn't make up my mind
> about putting each statistic type's tests in a separate file, or all
> together in stats_ext.sql.)

+1 for stats_ext.sql. I wanted to add some tests for
pg_statisticsextdef(), but I didn't see a suitable location.
stats_ext.sql would have been a good spot.


-- 
 David Rowley                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, 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