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Re: Custom Scan APIs (Re: Custom Plan node)

Shigeru Hanada <shigeru.hanada@gmail.com>

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From: Shigeru Hanada <shigeru.hanada@gmail.com>
To: KaiGai Kohei <kaigai@ak.jp.nec.com>
Cc: Kohei KaiGai <kaigai@kaigai.gr.jp>, Jim Mlodgenski <jimmy76@gmail.com>, Robert Haas <robertmhaas@gmail.com>, Tom Lane <tgl@sss.pgh.pa.us>, PgHacker <pgsql-hackers@postgresql.org>, Peter Eisentraut <peter_e@gmx.net>
Date: 2013-12-16T10:15:12Z
Lists: pgsql-hackers 
KaiGai-san,

2013/12/16 KaiGai Kohei <kaigai@ak.jp.nec.com>:
> (2013/12/16 14:15), Shigeru Hanada wrote:
>> (1) ctidscan
>> Is session_preload_libraries available to enable the feature, like
>> shared_*** and local_***?  According to my trial it works fine like
>> two similar GUCs.
>>
> It shall be available; nothing different from the two parameters that
> we have supported for long time. Sorry, I missed the new feature to
> mention about.

Check.

>> (2) postgres_fdw
>> JOIN push--down is a killer application of Custom Scan Provider
>> feature, so I think it's good to mention it in the "Remote Query
>> Optimization" section.
>>
> I added an explanation about remote join execution on the section.
> Probably, it help users understand why Custom Scan node is here
> instead of Join node. Thanks for your suggestion.

Check.

I think that these patches are enough considered to mark as "Ready for
Committer".

Regards,
-- 
Shigeru HANADA

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. Support multi-argument UNNEST(), and TABLE() syntax for multiple functions.