Re: portable DBAPI auto-increment

On Fri, Apr 8, 2011 at 12:52 PM, Karsten Hilbert
<Karsten.Hilbert@gmx.net> wrote:
> On Thu, Apr 07, 2011 at 04:40:29PM -0400, Mark Sienkiewicz wrote:
>> In psycopg2, I find that lastrowid is always 0, even though it is
>> making rows in the table with k=1, k=2, etc.
>>
>> I did some searching and found that the value of lastrowid is not
>> taken from the autoincrementing column, but is some non-unique entity
>> called an OID.
>
> OIDs *are* unique per table.

Actually they are not - you need unique index on oid column for that.

That is also one of the reasons to avoid them...

--
marko