From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Noah Misch <noah(at)leadboat(dot)com> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Broken HOT chains in system catalogs |
Date: | 2011-04-16 17:04:40 |
Message-ID: | 23926.1302973480@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
Noah Misch <noah(at)leadboat(dot)com> writes:
> On Sat, Apr 16, 2011 at 11:17:53AM -0400, Tom Lane wrote:
>> [ squint... ] Won't that result in the rebuild failing outright? We
>> can't remove an index from the pending list till after it's rebuilt,
>> for obvious reasons.
> That would be a problem if an ambuild function were to call back through the
> indexam.c layer to add an individual entry. No core access method does that,
> and there's nothing I can see to recommend doing it.
Oh ... hm, I was thinking that ambuild calls were also validated using
that macro, but now I see they're not even done in this file. So it
probably does work to do it like that. It needs rather more than no
commentary, though.
regards, tom lane
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