From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
---|---|
To: | Haribabu Kommi <kommi(dot)haribabu(at)gmail(dot)com> |
Cc: | "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: utility commands benefiting from parallel plan |
Date: | 2017-02-24 16:21:51 |
Message-ID: | CA+TgmobF9QnFU2cVUTCRu2FYWBb1ztgk36wY7ziWVXtnbdN7=w@mail.gmail.com |
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On Fri, Feb 24, 2017 at 11:43 AM, Haribabu Kommi
<kommi(dot)haribabu(at)gmail(dot)com> wrote:
> Here I attached an implementation patch that allows
> utility statements that have queries underneath such as
> CREATE TABLE AS, CREATE MATERIALIZED VIEW
> and REFRESH commands to benefit from parallel plan.
>
> These write operations not performed concurrently by the
> parallel workers, but the underlying query that is used by
> these operations are eligible for parallel plans.
>
> Currently the write operations are implemented for the
> tuple dest types DestIntoRel and DestTransientRel.
>
> Currently I am evaluating other write operations that can
> benefit with parallelism without side effects in enabling them.
>
> comments?
I think a lot more work than this will be needed. See:
...and the discussion which followed.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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