Re: Proposal : Parallel Merge Join
Dilip Kumar <dilipbalaut@gmail.com>
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: 2017-02-25T09:52:12Z
Lists: pgsql-hackers
Attachments
- parallel_mergejoin_v7.patch (application/octet-stream) patch v7
On Sat, Feb 25, 2017 at 11:29 AM, Amit Kapila <amit.kapila16@gmail.com> wrote: > It seems you have forgotten to change in the below check: > > + if (innerpath != NULL && > + innerpath->parallel_safe && > + (cheapest_startup_inner == NULL || > + cheapest_startup_inner->parallel_safe == false || > + compare_path_costs(innerpath, cheapest_startup_inner, > + STARTUP_COST) < 0)) Oops, Fixed. > > > + /* Found a cheap (or even-cheaper) sorted parallel safer path */ > > typo > /safer/safe Fixed > > Note - Change the patch status in CF app (to Needs Review) whenever > you post a new patch. I could see that your other patch also needs a > similar update in CF app. Will changes, Thanks. -- 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