Re: Problems with pg_upgrade after change of unix user running db.

On Fri, Nov 27, 2015 at 04:05:46PM +0000, Benedikt Grundmann wrote:
> > [as-proddb(at)nyc-dbc-001 upgrade-logs]$ tail pg_upgrade_dump_16416.log
> > pg_restore: creating CHECK CONSTRAINT seqno_not_null
> > pg_restore: creating CHECK CONSTRAINT seqno_not_null
> > pg_restore: [archiver (db)] Error while PROCESSING TOC:
> > pg_restore: [archiver (db)] Error from TOC entry 8359; 2606 416548282
> CHECK
> > CONSTRAINT seqno_not_null postgres_prod
> > pg_restore: [archiver (db)] could not execute query: ERROR:  constraint
> > "seqno_not_null" for relation "js_activity_2011" already exists
> >     Command was: ALTER TABLE "js_activity_2011"
> >     ADD CONSTRAINT "seqno_not_null" CHECK (("seqno" IS NOT NULL)) NOT
> VALID;
>
> I have no idea, but this is a pg_dump bug or inconsistent system tables,
> rather than a pg_upgrade-specific bug.
>
>
> Any recommendation on how to proceed?

My guess is you are sharing the constraint name "seqno_not_null" with
multiple tables. I think you are going to have to dig into the system
tables to see where that is referenced and fix it.

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

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