| From: | Etsuro Fujita <fujita(dot)etsuro(at)lab(dot)ntt(dot)co(dot)jp> |
|---|---|
| To: | Albe Laurenz <laurenz(dot)albe(at)wien(dot)gv(dot)at>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Stephen Frost <sfrost(at)snowman(dot)net>, Shigeru Hanada <shigeru(dot)hanada(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Optimization for updating foreign tables in Postgres FDW |
| Date: | 2015-03-04 08:07:34 |
| Message-ID: | 54F6BD46.3000003@lab.ntt.co.jp |
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| Lists: | pgsql-hackers |
On 2015/03/04 16:58, Albe Laurenz wrote:
> Etsuro Fujita wrote:
>> While updating the patch, I noticed that in the previous patch, there is
>> a bug in pushing down parameterized UPDATE/DELETE queries; generic plans
>> for such queries fail with a can't-happen error. I fixed the bug and
>> tried to add the regression tests that execute the generic plans, but I
>> couldn't because I can't figure out how to force generic plans. Is
>> there any way to do that?
>
> I don't know about a way to force it, but if you run the statement six
> times, it will probably switch to a generic plan.
Yeah, I was just thinking running the statement six times in the
regression tests ...
Thanks!
Best regards,
Etsuro Fujita
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