Обсуждение: Sequence (related) Problem
I am migrating a DB from Access to postgreSQL and am making quite a few
changes to it including renaming tables, columns, sequences, etc.
I am renaming TBLOLD to TBLNEW and consequently need to rename the
sequence from TBLOLD_ID_SEQ to TBLNEW_ID_SEQ. I also want it to START at
a value just above TBLOLD's last value. To set the start value of the
new sequence I am trying:
CREATE SEQUENCE 'tblnew_id_seq' start nextval('tblold_id_deq')
increment 1 maxvalue 2147483647 minvalue 1 cache 1 ;
as well as many variations of the above (including using SELECT to get
the nextval).
Could someone please point me to a solution?
Thanks
--
Ron St.Pierre
Syscor R&D
tel: 250-361-1681
email: rstpierre@syscor.com
On Wed, 2002-11-27 at 16:38, Ron St.Pierre wrote:
> To set the start value of the new sequence I am trying:
>
> CREATE SEQUENCE 'tblnew_id_seq' start nextval('tblold_id_deq')
> increment 1 maxvalue 2147483647 minvalue 1 cache 1 ;
Execute the CREATE SEQUENCE with the default start value, and then set
it to whatever you like using:
SELECT setval('my_seq', nextval('abc') + ...);
Cheers,
Neil
--
Neil Conway <neilc@samurai.com> || PGP Key ID: DB3C29FC