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Re: pg_dump problem

From: Laura Del Caño <ldelcano(at)gmail(dot)com>
To: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: pg_dump problem
Date: 2008-08-29 07:02:31
Message-ID: a62327af0808290002v4f12520el65a2cdb90e1937ff@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-general
Sorry, I forgot to say I am using version 8.2.6.
I already removed option -n and left only -s (sincer there are no
other user schemas in the db) and I get the same error.

However when I removed the -c option it worked fine!

And also when using a formatted dump it works ok (even with -c option)
pg_dump -c -s -Ft -f backups/schema.tar syslog

thanks
Laura

On Thu, Aug 28, 2008 at 6:07 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> "=?ISO-8859-1?Q?Laura_Del_Ca=F1o?=" <ldelcano(at)gmail(dot)com> writes:
>> I am issuing the following command:
>> pg_dump -c -o -s -n distributed -f backups/schema.sql syslog
>> which apparently works fine. It is only when I tried to restore it in
>> a fresh created database using:
>> psql syslog < backups/schema.sql
>> that I get lots of errors saying objects do not exist.
>
>> Having a look at the schema.sql file I see the following:
>
>> SET search_path = distributed, pg_catalog;
>> ...
>> CREATE SCHEMA distributed;
>
> Is that SET located before/during the sequence of DROPs issued due to -c ?
>
> I think this is a known bug in the behavior of -c.  It was fixed before
> 8.3 release but doesn't seem to have been back-patched into any older
> branches:
>
> http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_dump/pg_backup_archiver.c.diff?r1=text&tr1=1.149&r2=text&tr2=1.151
>
> Simplest workaround with older pg_dumps might be to avoid -c and
> just do a manual "DROP SCHEMA distributed CASCADE" before restoring
> the dump.
>
>                        regards, tom lane
>

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