| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Kohei KaiGai <kaigai(at)kaigai(dot)gr(dot)jp> |
| Cc: | Kouhei Kaigai <kaigai(at)ak(dot)jp(dot)nec(dot)com>, Claudio Freire <klaussfreire(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: ParallelFinish-hook of FDW/CSP (Re: Steps inside ExecEndGather) |
| Date: | 2017-02-24 16:24:21 |
| Message-ID: | CA+TgmoaWx7N_YnwKfKJ2a75qSJ2ZrU=A_FWXzsA8VJRv=uveqA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, Feb 24, 2017 at 7:29 PM, Kohei KaiGai <kaigai(at)kaigai(dot)gr(dot)jp> wrote:
> This attached patch re-designed the previous v2 according to Robert's comment.
> All I had to do is putting entrypoint for ForeignScan/CustomScan at
> ExecShutdownNode,
> because it is already modified to call child node first, earlier than
> ExecShutdownGather
> which releases DSM segment.
Aside from the documentation, which needs some work, this looks fine
to me on a quick read.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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