| From: | Etsuro Fujita <fujita(dot)etsuro(at)lab(dot)ntt(dot)co(dot)jp> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Ashutosh Bapat <ashutosh(dot)bapat(at)enterprisedb(dot)com>, Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>, Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, Noah Misch <noah(at)leadboat(dot)com>, Shigeru Hanada <shigeru(dot)hanada(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: inherit support for foreign tables |
| Date: | 2015-01-15 07:35:46 |
| Message-ID: | 54B76DD2.1040106@lab.ntt.co.jp |
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| Lists: | pgsql-hackers |
On 2014/12/23 0:36, Tom Lane wrote:
> Yeah, we need to do something about the PlanRowMark data structure.
> Aside from the pre-existing issue in postgres_fdw, we need to fix it
> to support inheritance trees in which more than one rowmark method
> is being used. That rte.hasForeignChildren thing is a crock,
> The idea I'd had about that was to convert the markType field into a
> bitmask, so that a parent node's markType could represent the logical
> OR of the rowmark methods being used by all its children. I've not
> attempted to code this up though, and probably won't get to it until
> after Christmas. One thing that's not clear is what should happen
> with ExecRowMark.
As I said before, that seems to me like a good idea. So I'll update the
patch based on that if you're okey with it. Or you've found any problem
concerning the above idea?
Best regards,
Etsuro Fujita
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