| From: | Thom Brown <thom(at)linux(dot)com> |
|---|---|
| To: | Etsuro Fujita <fujita(dot)etsuro(at)lab(dot)ntt(dot)co(dot)jp> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Rushabh Lathia <rushabh(dot)lathia(at)gmail(dot)com>, Stephen Frost <sfrost(at)snowman(dot)net>, Albe Laurenz <laurenz(dot)albe(at)wien(dot)gv(dot)at>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Shigeru Hanada <shigeru(dot)hanada(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Optimization for updating foreign tables in Postgres FDW |
| Date: | 2016-03-23 13:05:21 |
| Message-ID: | CAA-aLv5dkX0NyFNiGB5SYZ39EscSYEUwQi4uDi5v0gAZ7NC5zQ@mail.gmail.com |
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On 22 March 2016 at 02:30, Etsuro Fujita <fujita(dot)etsuro(at)lab(dot)ntt(dot)co(dot)jp> wrote:
> On 2016/03/19 3:30, Robert Haas wrote:
>>
>> On Fri, Mar 18, 2016 at 5:15 AM, Etsuro Fujita
>> <fujita(dot)etsuro(at)lab(dot)ntt(dot)co(dot)jp> wrote:
>>>
>>> Attached is the updated version of the patch.
I've noticed that you now can't cancel a query if there's DML pushdown
to a foreign server. This previously worked while it was sending
individual statements as it interrupted and rolled it back.
Here's what the local server sees when trying to cancel:
# DELETE FROM remote.contacts;
^CCancel request sent
DELETE 5000000
This should probably be fixed.
Thom
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