Re: UUID, UUID-OSSP extension, and ODBC issue

From: Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>
To: Jeremy Thornton <consolity(at)outlook(dot)com>
Cc: "pgsql-odbc(at)postgresql(dot)org" <pgsql-odbc(at)postgresql(dot)org>, "pgsql-bugs(at)postgresql(dot)org" <pgsql-bugs(at)postgresql(dot)org>
Subject: Re: UUID, UUID-OSSP extension, and ODBC issue
Date: 2014-02-28 17:54:13
Message-ID: 5310CD45.9010806@vmware.com
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On 02/28/2014 07:49 PM, Jeremy Thornton wrote:
> Thanks for the info Heikki. However, my concern is the fact that the
> same insert when ran inside PgAdmin executes at 2000 inserts per
> second whereas through ODBC it is at 625 inserts per second. It seems
> that if uuid_generate_v1() was the only bottleneck it would occur
> inside PgAdmin. Same information, same uuid_generate_v1() default.
> Any thoughts on why the performance difference between the two?

Oh, I misunderstood the issue then. How exactly are you executing the
inserts? Do you run all the inserts as a single transaction (that's
faster than separate transactions)? If you can create a self-contained
ODBC test program and post it to the list, I can take a closer look...

- Heikki

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