On 19/09/02, Oliver Elphick (olly(at)lfix(dot)co(dot)uk) wrote:
> On Thu, 2002-09-19 at 15:14, Rory Campbell-Lange wrote:
> > I have problems after exporting then importing data into newly created
> > databases that the sequence and the indexed serial fields get out of
> > alignment.
> >
> > I wonder if it isn't better to always simply insert ids using some sort
> > of function or other procedure to calculate on each insert a new unique
> > id number.
>
> After you import data, you must also reset the sequence:
>
> SELECT setval('sequence_name',
> (SELECT MAX(sequence_column) FROM table));
Excellent stuff. Thanks.
Rory
--
Rory Campbell-Lange
<rory(at)campbell-lange(dot)net>
<www.campbell-lange.net>