| From: | Etsuro Fujita <fujita(dot)etsuro(at)lab(dot)ntt(dot)co(dot)jp> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Jim Nasby <Jim(dot)Nasby(at)BlueTreble(dot)com>, Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>, ashutosh(dot)bapat(at)enterprisedb(dot)com, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: [HACKERS] EvalPlanQual behaves oddly for FDW queries involving system columns |
| Date: | 2019-03-15 12:58:25 |
| Message-ID: | 5C8BA171.8050005@lab.ntt.co.jp |
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| Lists: | pgsql-hackers |
(2019/03/04 12:10), Etsuro Fujita wrote:
> (2019/03/02 3:57), Andres Freund wrote:
>> FWIW, I pushed the EPQ patch, doing this conversion blindly. It'd be
>> awesome if you'd check that it actually works...
>
> I'll start the work later this week. I think I can post an (initial)
> report on that next week, maybe.
Here is an updated version of the patch [1]. This version doesn't allow
pushing down joins to the remote if there is a possibility that EPQ will
be executed, but I think it would be useful to test the EPQ patch. I
haven't looked into the EPQ patch in detail yet, but I tested the patch
with the attached, and couldn't find any issues on the patch.
Best regards,
Etsuro Fujita
[1] https://www.postgresql.org/message-id/16016.1431455074%40sss.pgh.pa.us
| Attachment | Content-Type | Size |
|---|---|---|
| postgres-fdw-late-locking-2.patch | text/x-patch | 26.3 KB |
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