Re: pgsql_fdw, FDW for PostgreSQL server

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Shigeru Hanada <shigeru(dot)hanada(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Kohei KaiGai <kaigai(at)kaigai(dot)gr(dot)jp>, Albe Laurenz <laurenz(dot)albe(at)wien(dot)gv(dot)at>, Martijn van Oosterhout <kleptog(at)svana(dot)org>, Etsuro Fujita <fujita(dot)etsuro(at)lab(dot)ntt(dot)co(dot)jp>, Hitoshi Harada <umi(dot)tanuki(at)gmail(dot)com>
Subject: Re: pgsql_fdw, FDW for PostgreSQL server
Date: 2012-03-07 20:44:38
Message-ID: 1331153078.12416.2.camel@vanquo.pezone.net
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On tis, 2012-03-06 at 13:39 -0500, Tom Lane wrote:
> A bigger issue with postgresql_fdw_validator is that it supposes that
> the core backend is authoritative as to what options libpq supports,
> which is bad design on its face. It would be much more sensible for
> dblink to be asking libpq what options libpq supports, say via
> PQconndefaults().

The validator for the proposed FDW suffers from the same problem.

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