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

From: Culley Harrelson <harrelson(at)gmail(dot)com>
To: Adrian Klaver <adrian(dot)klaver(at)gmail(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: duplicate key errors when restoring 8.4.0 database dump into 9.1.2
Date: 2011-12-30 15:49:31
Message-ID: CAAPtAvT-FGF8AprxAmF0cKXM2ymjjXxwu71tNkdgLcVwZn6mzQ@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-general
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
>

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