Re: [GENERAL] How to increment by hand a sequence number.

On Mon, 18 Jan 1999, Valerio Santinelli wrote:

> I've exported a table from an existing MSAccess database to my
> PostgreSQL db.
> I use a serial ID on the table and now I'm getting errors when I add a
> new entry in the table if i don't specify the ID by hand (which should
> be placed automatically by the db  since it's a serial).
>
> The exact error is this one:
>
>     Cannot insert a duplicate key into a unique index.
>
>
> I think I should set the "last_value" field in the sequence to my real
> last value aon the ID field of the table, but Idon't know how to do it.
> Is there anybody who can help me ?
you can get "last_value":
select max(ID) from table
you can create sequence with option 'start last_value+1' ( see man ).
>
> Thanks
>
> Valerio Santinelli
> tanis@mediacom.it
>
>
>