From: Marcin Stępnicki <mstepnicki@gmail.com>
To: pgsql-sql@postgresql.org
Subject: Re: Postgresql & Oracle Heteregenous services - strange behaviour
Date: Wed, 17 Jan 2007 14:25:41 +0100
Message-ID: <pan.2007.01.17.13.25.41.371643@gmail.com> (raw)
References: <pan.2007.01.17.12.52.25.379331@gmail.com>
<20070117125857.GD19527@phlogiston.dyndns.org>
<45AE1EDC.7090005@archonet.com>
Dnia Wed, 17 Jan 2007 13:04:28 +0000, Richard Huxton napisał(a):
> Andrew Sullivan wrote:
>> I bet it's getting the column list from the table or some such thing.
>> This is a lousy way to do it (the information_schema would be more
>> correct, although maybe no faster).
>
> That'd be my guess. And then it's not fetching any rows, expecting
> cursor-like behaviour. Of course we fetch all the rows before returning
> any results.
Bingo! select * from from "zew_patients"@my_postgresql results in
select a1.col1, a1.col2, a1.col3 from zew_patients in postgresql logs.
> The real solution would be to add "LIMIT 0" or "LIMIT 1" to the
> column-finding query, but I doubt that's possible with the Oracle plugin.
> Perhaps check if there's a "fetch N rows at a time" option for the ODBC
> setup that might help you.
Thank you both, I'll poke around and drop a note when I find something :).
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To: pgsql-sql@postgresql.org
Cc: mstepnicki@gmail.com
Subject: Re: Postgresql & Oracle Heteregenous services - strange behaviour
In-Reply-To: <pan.2007.01.17.13.25.41.371643@gmail.com>
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