Re: Parallel grouping sets - Mailing list pgsql-hackers

From Amit Kapila
Subject Re: Parallel grouping sets
Date
Msg-id CAA4eK1L_T=4FVQ58rOFjoBLkGq2yvGRGG-CemsJX01PHExU4fg@mail.gmail.com
Whole thread Raw
In response to Re: Parallel grouping sets  (Richard Guo <riguo@pivotal.io>)
Responses Re: Parallel grouping sets  (Jesse Zhang <sbjesse@gmail.com>)
List pgsql-hackers
On Sun, Jan 19, 2020 at 2:23 PM Richard Guo <riguo@pivotal.io> wrote:
>
> I realized that there are two patches in this thread that are
> implemented according to different methods, which causes confusion.
>

Both the idea seems to be different.  Is the second approach [1]
inferior for any case as compared to the first approach?  Can we keep
both approaches for parallel grouping sets, if so how?  If not, then
won't the code by the first approach be useless once we commit second
approach?


[1] - https://www.postgresql.org/message-id/CAN_9JTwtTTnxhbr5AHuqVcriz3HxvPpx1JWE--DCSdJYuHrLtA%40mail.gmail.com

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



pgsql-hackers by date:

Previous
From: Georgios Kokolatos
Date:
Subject: Re: Duplicate Workers entries in some EXPLAIN plans
Next
From: Daniel Gustafsson
Date:
Subject: Re: Online checksums patch - once again