Re: Proposal : Parallel Merge Join

Dilip Kumar <dilipbalaut@gmail.com>

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From: Dilip Kumar <dilipbalaut@gmail.com>

To: Amit Kapila <amit.kapila16@gmail.com>

Cc: Robert Haas <robertmhaas@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>

Date: 2017-03-01T05:54:00Z

Lists: pgsql-hackers

Attachments

parallel_mergejoin_v8.patch (application/octet-stream) patch v8

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.


-- 
Regards,
Dilip Kumar
EnterpriseDB: http://www.enterprisedb.com

Commits

Consider parallel merge joins.
- 3bc7dafa9beb 10.0 landed
Preparatory refactoring for parallel merge join support.
- a71f10189dc1 10.0 landed
Fix parallel hash join path search.
- 655393a022bd 10.0 landed