On Fri, Feb 24, 2017 at 1:24 PM, Robert Haas <robertmh...@gmail.com> wrote:
> On Fri, Feb 24, 2017 at 7:29 PM, Kohei KaiGai <kai...@kaigai.gr.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.

LGTM too.

You may want to clarify in the docs when the hook is called in
relation to other hooks too.

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