| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Etsuro Fujita <fujita(dot)etsuro(at)lab(dot)ntt(dot)co(dot)jp> |
| 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 16:36:39 |
| Message-ID: | 20190315163639.tpitiiw36ql2jd2s@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
On 2019-03-15 21:58:25 +0900, Etsuro Fujita wrote:
> (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.
Thanks a lot for that work!
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