| From: | Shigeru Hanada <shigeru(dot)hanada(at)gmail(dot)com> |
|---|---|
| To: | Albe Laurenz <laurenz(dot)albe(at)wien(dot)gv(dot)at> |
| Cc: | Kohei KaiGai <kaigai(at)kaigai(dot)gr(dot)jp>, Etsuro Fujita <fujita(dot)etsuro(at)lab(dot)ntt(dot)co(dot)jp>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Robert Haas <robertmhaas(at)gmail(dot)com>, Hitoshi Harada <umi(dot)tanuki(at)gmail(dot)com>, Martijn van Oosterhout <kleptog(at)svana(dot)org>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: pgsql_fdw, FDW for PostgreSQL server |
| Date: | 2012-02-17 00:52:50 |
| Message-ID: | 4F3DA4E2.5050308@gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
(2012/02/17 0:15), Albe Laurenz wrote:
> Shigeru Hanada wrote:
>> Thanks for the review. Attached patches are revised version, though
>> only fdw_helper_v5.patch is unchanged.
>
> Two questions:
> - Is it on purpose that you can specify all SSL client options
> except "sslcompression"?
No, just an oversight. Good catch.
> - Since a rescan is done by rewinding the cursor, is it necessary
> to have any other remote isolation level than READ COMMITED?
> There is only one query issued per transaction.
If multiple foreign tables on a foreign server is used in a local query,
multiple queries are executed in a remote transaction. So IMO isolation
levels are useful even if remote query is executed only once.
Regards,
--
Shigeru Hanada
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Robert Haas | 2012-02-17 02:21:15 | Re: Qual evaluation cost estimates for GIN indexes |
| Previous Message | Tom Lane | 2012-02-17 00:27:57 | Re: Bug in intarray? |