Re: pg_upgrade problem with invalid indexes

Andres Freund <andres@2ndquadrant.com>

From: Andres Freund <andres@2ndquadrant.com>
To: Josh Berkus <josh@agliodbs.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, pgsql-hackers@postgresql.org
Date: 2012-12-07T18:49:14Z
Lists: pgsql-hackers
On 2012-12-07 10:44:53 -0800, Josh Berkus wrote:
>
> > I wonder though if we shouldn't ignore !indislive indexes in pg_dump
> > (and the respective bw-compat hack).

Obviously I wanted to ask whether we *should* ignore them in the future.

> Quite likely we shouldn't.  However, that is why it wasn't considered a
> problem.

!indislive indexes are created during DROP INDEX CONCURRENTLY. Thats a
different case than CREATE INDEX CONCURRENTLY. Accessing their
definition is actually problematic because i can vanish while youre
examing it which could cause errors both in the backend and in pg_dump.

Greetings,

Andres Freund

--
 Andres Freund	                   http://www.2ndQuadrant.com/
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