Horton

Re: Proposal : Parallel Merge Join

Amit Kapila <amit.kapila16@gmail.com>

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From: Amit Kapila <amit.kapila16@gmail.com>
To: Dilip Kumar <dilipbalaut@gmail.com>
Cc: Robert Haas <robertmhaas@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2017-03-01T06:31:50Z
Lists: pgsql-hackers 
On Wed, Mar 1, 2017 at 11:24 AM, Dilip Kumar <dilipbalaut@gmail.com> wrote:
> On Wed, Mar 1, 2017 at 11:13 AM, Amit Kapila <amit.kapila16@gmail.com> wrote:
>> I think for now we can keep the parallel safety check for cheapest
>> inner path, though it will be of use only for the very first time we
>> compare the paths in that loop.  I am not sure if there is any other
>> better way to handle the same.
>
> Done that way.
>

Thanks, your patch looks good to me.

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

Commits

  1. Consider parallel merge joins.

  2. Preparatory refactoring for parallel merge join support.

  3. Fix parallel hash join path search.