Re: [HACKERS] GatherMerge misses to push target list

Поиск
Список
Период
Сортировка
От Amit Kapila
Тема Re: [HACKERS] GatherMerge misses to push target list
Дата
Msg-id CAA4eK1JAZMLtEL7JVO3AyxX9_PGc4PDwE13q3MFhwYuJ_HYM=g@mail.gmail.com
обсуждение исходный текст
Ответ на [HACKERS] GatherMerge misses to push target list  (Amit Kapila <amit.kapila16@gmail.com>)
Список pgsql-hackers
On Wed, Sep 6, 2017 at 10:04 AM, Amit Kapila <amit.kapila16@gmail.com> wrote:
> During my recent work on costing of parallel paths [1], I noticed that
> we are missing to push target list below GatherMerge in some simple
> cases like below.
>

I think this should be considered as a bug-fix for 10.0, but it
doesn't block any functionality or give wrong results, so we might
consider it as an optimization for GatherMerge.   In any case, I have
added this to next CF.

-- 
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com


-- 
Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-hackers

В списке pgsql-hackers по дате отправления:

Предыдущее
От: Michael Paquier
Дата:
Сообщение: Re: [HACKERS] [Proposal] Allow users to specify multiple tables inVACUUM commands
Следующее
От: Pavel Stehule
Дата:
Сообщение: Re: [HACKERS] Re: proposal - using names as primary names of plpgsqlfunction parameters instead $ based names