Re: PostgreSQL 12: Feature Highlights
От
Amit Langote
Тема
Re: PostgreSQL 12: Feature Highlights
Дата
Msg-id
82a518da-22e5-269f-c350-7caa1d948165@lab.ntt.co.jp
Ответ на
Re: PostgreSQL 12: Feature Highlights (Bruce Momjian)
Список
Дерево обсуждения
PostgreSQL 12: Feature Highlights "Jonathan S. Katz" <jkatz@postgresql.org>
Re: PostgreSQL 12: Feature Highlights Darren Duncan <darren@darrenduncan.net>
Re: PostgreSQL 12: Feature Highlights Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Re: PostgreSQL 12: Feature Highlights Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Re: PostgreSQL 12: Feature Highlights Peter Geoghegan <pg@bowt.ie>
Re: PostgreSQL 12: Feature Highlights gilberto.castillo@etecsa.cu
Re: PostgreSQL 12: Feature Highlights "Jonathan S. Katz" <jkatz@postgresql.org>
Re: PostgreSQL 12: Feature Highlights Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Re: PostgreSQL 12: Feature Highlights Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Re: PostgreSQL 12: Feature Highlights "Jonathan S. Katz" <jkatz@postgresql.org>
Re: PostgreSQL 12: Feature Highlights Andres Freund <andres@anarazel.de>
Re: PostgreSQL 12: Feature Highlights "Jonathan S. Katz" <jkatz@postgresql.org>
Re: PostgreSQL 12: Feature Highlights Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Re: PostgreSQL 12: Feature Highlights Oleg Bartunov <obartunov@postgrespro.ru>
Re: PostgreSQL 12: Feature Highlights David Rowley <david.rowley@2ndquadrant.com>
Re: PostgreSQL 12: Feature Highlights Justin Clift <justin@postgresql.org>
Re: PostgreSQL 12: Feature Highlights David Rowley <david.rowley@2ndquadrant.com>
Re: PostgreSQL 12: Feature Highlights Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>
Re: PostgreSQL 12: Feature Highlights David Rowley <david.rowley@2ndquadrant.com>
Re: PostgreSQL 12: Feature Highlights Bruce Momjian <bruce@momjian.us>
Re: PostgreSQL 12: Feature Highlights Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>
Re: PostgreSQL 12: Feature Highlights Bruce Momjian <bruce@momjian.us>
Re: PostgreSQL 12: Feature Highlights Bruce Momjian <bruce@momjian.us>
Re: PostgreSQL 12: Feature Highlights Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>
Re: PostgreSQL 12: Feature Highlights "Jonathan S. Katz" <jkatz@postgresql.org>
Re: PostgreSQL 12: Feature Highlights Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>
Re: PostgreSQL 12: Feature Highlights "Jonathan S. Katz" <jkatz@postgresql.org>
Re: PostgreSQL 12: Feature Highlights David Rowley <david.rowley@2ndquadrant.com>
Re: PostgreSQL 12: Feature Highlights Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>
Re: PostgreSQL 12: Feature Highlights Bruce Momjian <bruce@momjian.us>
Re: PostgreSQL 12: Feature Highlights Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>
Re: PostgreSQL 12: Feature Highlights Bruce Momjian <bruce@momjian.us>
Re: PostgreSQL 12: Feature Highlights Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>
Re: PostgreSQL 12: Feature Highlights David Rowley <david.rowley@2ndquadrant.com>
Re: PostgreSQL 12: Feature Highlights Bruce Momjian <bruce@momjian.us>
Re: PostgreSQL 12: Feature Highlights David Rowley <david.rowley@2ndquadrant.com>
Re: PostgreSQL 12: Feature Highlights Bruce Momjian <bruce@momjian.us>
Re: PostgreSQL 12: Feature Highlights David Rowley <david.rowley@2ndquadrant.com>
Re: PostgreSQL 12: Feature Highlights Bruce Momjian <bruce@momjian.us>
Re: PostgreSQL 12: Feature Highlights Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>
Re: PostgreSQL 12: Feature Highlights David Rowley <david.rowley@2ndquadrant.com>
Re: PostgreSQL 12: Feature Highlights Bruce Momjian <bruce@momjian.us>
Re: PostgreSQL 12: Feature Highlights David Rowley <david.rowley@2ndquadrant.com>
Re: PostgreSQL 12: Feature Highlights Bruce Momjian <bruce@momjian.us>
Re: PostgreSQL 12: Feature Highlights Peter Geoghegan <pg@bowt.ie>
Re: PostgreSQL 12: Feature Highlights Alvaro Herrera <alvherre@2ndquadrant.com>
Re: PostgreSQL 12: Feature Highlights Bruce Momjian <bruce@momjian.us>
Re: PostgreSQL 12: Feature Highlights Stephen Amell <mrstephenamell@gmail.com>
Re: PostgreSQL 12: Feature Highlights Peter Geoghegan <pg@bowt.ie>
Re: PostgreSQL 12: Feature Highlights Michael Paquier <michael@paquier.xyz>
Re: PostgreSQL 12: Feature Highlights Bruce Momjian <bruce@momjian.us>
Re: PostgreSQL 12: Feature Highlights Peter Geoghegan <pg@bowt.ie>
Re: PostgreSQL 12: Feature Highlights Bruce Momjian <bruce@momjian.us>
Re: PostgreSQL 12: Feature Highlights Alvaro Herrera <alvherre@2ndquadrant.com>
Re: PostgreSQL 12: Feature Highlights Bruce Momjian <bruce@momjian.us>
Re: PostgreSQL 12: Feature Highlights Peter Geoghegan <pg@bowt.ie>
Re: PostgreSQL 12: Feature Highlights Bruce Momjian <bruce@momjian.us>
Re: PostgreSQL 12: Feature Highlights Michael Paquier <michael@paquier.xyz>
Re: PostgreSQL 12: Feature Highlights Bruce Momjian <bruce@momjian.us>
Re: PostgreSQL 12: Feature Highlights Evan Macbeth <evan.macbeth@crunchydata.com>
Re: PostgreSQL 12: Feature Highlights Bruce Momjian <bruce@momjian.us>
Re: PostgreSQL 12: Feature Highlights "Jonathan S. Katz" <jkatz@postgresql.org>
Re: PostgreSQL 12: Feature Highlights Magnus Hagander <magnus@hagander.net>
On 2019/05/21 23:55, Bruce Momjian wrote: > On Sun, May 19, 2019 at 02:26:48AM +1200, David Rowley wrote: >> Thanks, typing that up. I think it lacks a bit detail about what's >> actually changed. The change is fairly evident and people can see >> when it takes effect when they look at EXPLAIN and see that the >> Append/MergeAppend node is missing. Also, an Append/MergeAppend may >> exist for inheritance tables and an Append can exist for a simple >> UNION ALL. Both of those cases can have subplans removed to leave only >> a single subplan, to which the additional parallel paths will be >> considered. > > This brings up a few points. First, it seems the change affects > partitioned tables and UNION ALL, which means it probably needs to be > listed in two sections. How about putting this only in E.1.3.1.3. Optimizer? Thanks, Amit
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