| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Haribabu Kommi <kommi(dot)haribabu(at)gmail(dot)com> |
| Cc: | David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Parallel Aggregate |
| Date: | 2015-12-11 15:00:25 |
| Message-ID: | CA+TgmoZLUdrBr-=JO=J0ySzODT__KMFLimRCB9nXn=YjYUUvYA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, Dec 11, 2015 at 1:42 AM, Haribabu Kommi
<kommi(dot)haribabu(at)gmail(dot)com> wrote:
> Here I attached a POC patch of parallel aggregate based on combine
> aggregate patch. This patch contains the combine aggregate changes
> also. This patch generates and executes the parallel aggregate plan
> as discussed in earlier threads.
Pretty cool. I'm pretty sure there's some stuff in this patch that's
not right in detail, but I think this is an awfully exciting
direction.
I'd like to commit David Rowley's patch from the other thread first,
and then deal with this one afterwards. The only thing I feel
strongly needs to be changed in that patch is CFUNC -> COMBINEFUNC,
for clarity.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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