[Open-bio-l] Re: [Bioperl-l] biosql primary key generation

[Hilmar Lapp]

I do have triggers in Oracle on primary key fields, that's not the 
problem. The problem is controlling the primary key value from the 
/application/ (or library for that matter) such that you can return 
it to the caller who requested the insert.

	-hilmar

On Saturday, August 10, 2002, at 09:42  PM, Todd Richmond wrote:

> On 8/10/02 10:23 PM, "Hilmar Lapp" <hlapp@gnf.org> wrote:
>
>> The problem with the topic is that the MySQL idiosyncratic way of
>> generating PKs behind the scenes via AUTO_INCREMENT fields is
>> completely incompatible with any other reasonable RDBMS, including
>> Postgres and Oracle.
>
> Is the problem that Oracle and Postgres don't have AUTO_INCREMENT 
> or that
> MySQL doesn't support sequences? Because you can duplicate 
> AUTO_INCREMENT in
> Oracle using a sequence and an insert trigger, so that it's no 
> different
> than MySQL.
>
> Tpdd
>
> --
> Todd Richmond, PhD
> http://cellwall.stanford.edu/todd
> email: todd@verdant.stanford.edu
>
>
>
--
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Hilmar Lapp                            email: lapp at gnf.org
GNF, San Diego, Ca. 92121              phone: +1-858-812-1757
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