| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp> |
| Cc: | Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com>, David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, Andres Freund <andres(at)anarazel(dot)de>, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Mark Dilger <hornschnorter(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [HACKERS] PATCH: multivariate histograms and MCV lists |
| Date: | 2019-03-15 18:01:53 |
| Message-ID: | CA+TgmoYN8StPFvYpM41nzqV1LTtkAReM46Ov2W+8YAFjzhz7xA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Thu, Mar 14, 2019 at 7:50 AM Kyotaro HORIGUCHI
<horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp> wrote:
> Thank you for the kind explanation. I'm not sure but I understand
> this as '"lists" is an extension' turned into 'lists are an
> extension'. That is, the "lists' expresses a concept rather than
> the plurarilty. (But I haven't got a gut feeling..)
The idea that it expresses a concept rather than the plurality is
exactly right -- so apparently you DO have a gut feeling!
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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