Re: Proposal : Parallel Merge Join

From: Dilip Kumar <dilipbalaut(at)gmail(dot)com>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Proposal : Parallel Merge Join
Date: 2016-12-13 15:04:04
Views: Raw Message | Whole Thread | Download mbox
Lists: pgsql-hackers

On Tue, Dec 13, 2016 at 6:42 AM, Dilip Kumar <dilipbalaut(at)gmail(dot)com> wrote:
>> This patch is hard to read because it is reorganizing a bunch of code
>> as well as adding new functionality. Perhaps you could separate it
>> into two patches, one with the refactoring and then the other with the
>> new functionality.
> Okay, I can do that.

I have created two patches as per the suggestion.

1. mergejoin_refactoring_v2.patch --> Move functionality of
considering various merge join path into new function.
2. parallel_mergejoin_v2.patch -> This adds the functionality of
supporting partial mergejoin paths. This will apply on top of

Dilip Kumar

Attachment Content-Type Size
mergejoin_refactoring_v2.patch application/octet-stream 17.0 KB
parallel_mergejoin_v2.patch application/octet-stream 10.0 KB

In response to


Browse pgsql-hackers by date

  From Date Subject
Next Message David G. Johnston 2016-12-13 15:18:38 Re: Fixing matching of boolean index columns to sort ordering
Previous Message Robert Haas 2016-12-13 14:47:35 Re: postgres_fdw bug in 9.6