From: | Martijn van Oosterhout <kleptog(at)svana(dot)org> |
---|---|
To: | Greg Stark <gsstark(at)mit(dot)edu> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, CSN <cool_screen_name90001(at)yahoo(dot)com>, "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: sequence aliases? |
Date: | 2005-11-06 12:22:36 |
Message-ID: | 20051106122236.GB20590@svana.org |
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Lists: | pgsql-general |
On Sun, Nov 06, 2005 at 12:15:45AM -0500, Greg Stark wrote:
>
> Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:
>
> > My advice to the Rails people would be to fix whatever it is in their
> > code that is assuming a particular sequence name, or indeed assuming
> > a sequence at all...
>
> Well how else do you find the id of the last inserted record without assuming
> a sequence?
I suppose using something like:
select currval( pg_get_serial_sequence( 'table','col' ) );
That avoids hardcoding the sequence id. Not assuming a sequences at all
may be trickier.
Have a nice day,
--
Martijn van Oosterhout <kleptog(at)svana(dot)org> http://svana.org/kleptog/
> Patent. n. Genius is 5% inspiration and 95% perspiration. A patent is a
> tool for doing 5% of the work and then sitting around waiting for someone
> else to do the other 95% so you can sue them.
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