Re: Hashes from composite keys?
From: Karsten Wutzke <kwutzke_at_web.de>
Date: Fri, 23 Jul 2010 13:47:26 -0700 (PDT)
Message-ID: <023f224f-f0ad-4cd1-aedb-fd0b7e8b50c9_at_d8g2000yqf.googlegroups.com>
Date: Fri, 23 Jul 2010 13:47:26 -0700 (PDT)
Message-ID: <023f224f-f0ad-4cd1-aedb-fd0b7e8b50c9_at_d8g2000yqf.googlegroups.com>
On 23 Jul., 22:14, Karsten Wutzke <kwut..._at_web.de> wrote:
> Hello,
>
> what are the best practices for generating hash codes from composite
> keys? I need to mimic something like what a composite index does. In
> fact, it's for mapping between relational keys and object IDs.
>
> Can anyone point me into the right direction please?
>
> Karsten
Maybe I wasn't clear enough. I'm not trying to program anything in databases. It's for an object-oriented application to match object identity (hash codes) with composite key values.
Karsten Received on Fri Jul 23 2010 - 22:47:26 CEST