| From: | Andres Freund <andres(at)2ndquadrant(dot)com> |
|---|---|
| To: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com> |
| Cc: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Peter Eisentraut <peter_e(at)gmx(dot)net>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Simon Riggs <simon(at)2ndquadrant(dot)com> |
| Subject: | Re: Support for REINDEX CONCURRENTLY |
| Date: | 2013-06-28 07:52:12 |
| Message-ID: | 20130628075212.GB11757@alap2.anarazel.de |
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| Lists: | pgsql-hackers |
On 2013-06-28 16:30:16 +0900, Michael Paquier wrote:
> > When I ran VACUUM FULL, I got the following error.
> >
> > ERROR: attempt to apply a mapping to unmapped relation 16404
> > STATEMENT: vacuum full;
> This can be reproduced when doing a vacuum full on pg_proc,
> pg_shdescription or pg_db_role_setting for example, or relations that
> have no relfilenode (mapped catalogs), and a toast relation. I still
> have no idea what is happening here but I am looking at it. As this
> patch removes reltoastidxid, could that removal have effect on the
> relation mapping of mapped catalogs? Does someone have an idea?
I'd guess you broke "swap_toast_by_content" case in cluster.c? We cannot
change the oid of a mapped relation (including indexes) since pg_class
in other databases wouldn't get the news.
Greetings,
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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