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

There is not any data in the new database. I have dropped the database,
created the database and then piped in the backup every time.

On Fri, Dec 30, 2011 at 8:06 AM, Adrian Klaver <adrian(dot)klaver(at)gmail(dot)com>wrote:

> On Friday, December 30, 2011 7:49:31 am Culley Harrelson wrote:
> > 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.
> >
>
> http://www.postgresql.org/docs/9.1/interactive/app-pgdump.html
>
> When doing the pg_dump of the 8.4 database you might want to use the -c
> option
>
> "
> -c
> --clean
>
> Output commands to clean (drop) database objects prior to outputting the
> commands for creating them. (Restore might generate some harmless errors.)
>
> This option is only meaningful for the plain-text format. For the
> archive
> formats, you can specify the option when you call pg_restore.
> "
>
> My suspicion is that there is already data in the tables of the 9.1 server
> from
> previous restore attempts.
>
> --
> Adrian Klaver
> adrian(dot)klaver(at)gmail(dot)com
>