| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Etsuro Fujita <fujita(dot)etsuro(at)lab(dot)ntt(dot)co(dot)jp> |
| Cc: | Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp>, Noah Misch <noah(at)leadboat(dot)com>, Amit Langote <amitlangote09(at)gmail(dot)com>, Ashutosh Bapat <ashutosh(dot)bapat(at)enterprisedb(dot)com>, Andreas Seltenreich <seltenreich(at)gmx(dot)de>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [sqlsmith] Failed assertion in postgres_fdw/deparse.c:1116 |
| Date: | 2016-06-16 13:00:14 |
| Message-ID: | CA+TgmoYRZTwCH27UY4kJNoAAnGAY86RO+J1PFo+KpecCHR3i_Q@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Thu, Jun 16, 2016 at 7:05 AM, Etsuro Fujita
<fujita(dot)etsuro(at)lab(dot)ntt(dot)co(dot)jp> wrote:
> ISTM that a robuster solution to this is to push down the ft1-ft2-ft3 join
> with the PHV by extending deparseExplicitTargetList() and/or something else
> so that we can send the remote query like:
>
> select ft1.a, (ft3.a IS NOT NULL) from (ft1 inner join ft2 on ft1.a = ft2.a)
> left join ft3 on ft1.a = ft3.a
I completely agree we should have that, but not for 9.6.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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