On Tue, Nov 15, 2011 at 8:46 PM, Scott Marlowe <scott.marl...@gmail.com> wrote: > On Tue, Nov 15, 2011 at 5:33 PM, Samuel Gendler > <sgend...@ideasculptor.com> wrote: >> On Tue, Nov 15, 2011 at 4:28 PM, John Fabiani <jo...@jfcomputer.com> wrote: >>> >>> On Tuesday, November 15, 2011 08:33:54 am Richard Broersma wrote: >>> > On Tue, Nov 15, 2011 at 8:06 AM, John Fabiani <jo...@jfcomputer.com> >>> > wrote: >>> > > alter sequence somename restart with (select max(pk) from sometable). >>> > > >>> > > I need this for automating an ETL (using pentaho). >>> > >>> > >>> > http://www.postgresql.org/docs/9.1/interactive/functions-sequence.html#FUNC >>> > TIONS-SEQUENCE-TABLE >>> >>> >>> I don't see how that helps answer my problem. I know how to update a >>> sequence. I want to pass a value for the restart vaue that depends on a >>> query >>> - all in one statement. I would think it is a common problem i.e. >>> migrating >>> data. >>> >> >> use a subquery to set the value - >> select setval('foo', select max(some_id) from some_table) >> It's all right there in the with docs that you were pointed to. We try to >> encourage people to be somewhat self sufficient around here. > > You need to wrap a subselect in (): > > select setval('foo', (select max(some_id) from some_table)); > > That works in 9.1.1. No clue about previous versions off the top of > my head, but I seem to recall it doesn't work in 8.3 and prior > versions.
Was wrong, it definitely works in 8.3. But only with the parens. -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql
