From: | Bruce Momjian <bruce(at)momjian(dot)us> |
---|---|
To: | Andres Freund <andres(at)2ndquadrant(dot)com> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Josh Berkus <josh(at)agliodbs(dot)com>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: pg_upgrade problem with invalid indexes |
Date: | 2012-12-07 21:49:19 |
Message-ID: | 20121207214919.GB1428@momjian.us |
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Lists: | pgsql-hackers |
On Fri, Dec 7, 2012 at 10:38:39PM +0100, Andres Freund wrote:
> On 2012-12-07 16:30:36 -0500, Bruce Momjian wrote:
> > On Fri, Dec 7, 2012 at 04:21:48PM -0500, Tom Lane wrote:
> > > Andres Freund <andres(at)2ndquadrant(dot)com> writes:
> > > > On 2012-12-07 13:59:41 -0500, Tom Lane wrote:
> > > >> indisvalid should be sufficient. If you try to test more than that
> > > >> you're going to make the code more version-specific, without actually
> > > >> buying much.
> > >
> > > > Doesn't the check need to be at least indisvalid && indisready? Given
> > > > that 9.2 represents !indislive as indisvalid && !indisready?
> > >
> > > Um, good point. It's annoying that we had to do it like that ...
> >
> > So, does this affect pg_upgrade? Which PG versions?
>
> Only 9.2 :(. Before that there was no DROP INDEX CONCURRENTLY and in 9.3
> there's an actual indislive field and indisready is always set to false
> there if indislive is false.
>
> But I see no problem using !indisvalid || !indisready as the condition
> in all (supported) versions.
OK, updated patch attached.
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ It's impossible for everything to be true. +
Attachment | Content-Type | Size |
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invalid.diff | text/x-diff | 3.9 KB |
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