Re: duplicate key errors when restoring 8.4.0 database dump into 9.1.2

They are just your standard sql errors seen in the output of psql mydb <
backup.sql

ALTER TABLE
ERROR: could not create unique index "ht_user_pkey"
DETAIL: Key (user_id)=(653009) is duplicated.

There is a unique index on user_id in the 8..4.0 system and, of course,
only one record for 653009.

On Fri, Dec 30, 2011 at 6:51 AM, Adrian Klaver <adrian(dot)klaver(at)gmail(dot)com>wrote:

> On Friday, December 30, 2011 6:32:56 am Culley Harrelson wrote:
> > Hello I am trying to migrate a database from 8.4.0 to 9.1.2 on a test
> > server before updating the production server. When piping the dump file
> > created with pg_dump in psql I am getting duplicate key errors and the
> > primary keys on several large tables do not get created. I have read all
> > the migration notes and do not see anything specific other than a pg_dump
> > restore is required. Any clues for me?
>
> Was there data already in the 9.1 database?
> Post some of the error messages.
>
> >
> > Thanks,
> >
> > culley
>
> --
> Adrian Klaver
> adrian(dot)klaver(at)gmail(dot)com
>