| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Kouhei Kaigai <kaigai(at)ak(dot)jp(dot)nec(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "pgsql-hackers(at)postgreSQL(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Shigeru Hanada <shigeru(dot)hanada(at)gmail(dot)com> |
| Subject: | Re: [v9.5] Custom Plan API |
| Date: | 2014-11-24 14:16:31 |
| Message-ID: | CA+TgmoauLMCuH1Kycf8dWQfxKBZLHgesf0Sk_WPtaRAFb7gNxQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Mon, Nov 24, 2014 at 6:57 AM, Kouhei Kaigai <kaigai(at)ak(dot)jp(dot)nec(dot)com> wrote:
> Indeed, I don't think it is a good idea to start from this harder portion.
> Let's focus on just varno/varattno remapping to replace join relation by
> custom-scan, as an immediate target.
We still need something like this for FDWs, as well. The potential
gains there are enormous. Anything we do had better fit in nicely
with that, rather than looking like a separate hack.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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