From: | Itagaki Takahiro <itagaki(dot)takahiro(at)gmail(dot)com> |
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To: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> |
Cc: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: dblink: enable parameters |
Date: | 2011-11-22 12:22:07 |
Message-ID: | CAJW2+qdBegO9Ut30T_06UXn+-gMb4STYhNV=Rex8Tv1fxyNzJw@mail.gmail.com |
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On Tue, Nov 22, 2011 at 20:09, Heikki Linnakangas
<heikki(dot)linnakangas(at)enterprisedb(dot)com> wrote:
> It would be nice to add support for SQL/MED "passthrough mode"... That would
> allow you to do any queries/updates to foreign servers. It wouldn't sound
> very difficult at first glance, though I'm not sure what it would mean to
> our parser, for example.
I think passthrough mode is almost impossible or has very limited usage
because we cannot pass query texts that our parser doesn't accept;
we cannot support foreign-table-specific queries.
> On 22.11.2011 06:55, Pavel Stehule wrote:
>> I know so dblink is "deprecated" interface - but it has necessary
>> functionality still - it support a writable statements.
So, "dblink on FDW connection" seems to be a possible solution.
We pass a query as a form of a plain text.
--
Itagaki Takahiro
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