Re: sequenc_name.currval not defined - Mailing list pgsql-general

On Thu, 21 Nov 2002, MT wrote:

> Hi,
>
> I keep on getting the following error when I attempt to insert a new record:
>
> SELECT * FROM table_name WHERE tableid = currval('tableid_seq');
>
> PostgreSQL said: ERROR: tableid_seq.currval is not yet defined in this
> session.
>
> What's weird about this problem is that I have a script that
> successfully performs this action.

currval only works during a session when nextval or setval have been run.
It's how it's supposed to work.  It's part of the magic of making
sequences transaction safe.