From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Jeffrey Baker <jwbaker(at)acm(dot)org> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: In 7.3.1, will I be able to reindex toast? |
Date: | 2003-02-14 21:35:33 |
Message-ID: | 200302142135.h1ELZY508103@candle.pha.pa.us |
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Lists: | pgsql-general |
Jeffrey Baker wrote:
> I am considering moving to 7.3 from 7.2. I have the
> obnoxious toast index growth problem of doom. In 7.2 I am
> not allowed to reindex toast tables, because they are of
> type 't'. How smug :)
>
> The problem is I don't want to move to 7.3 unless I can be
> certain this is going to work. There are many incompatible
> changes in 7.3, and I will need to audit tens of thousands
> of lines of queries before I can make the move. Can someone
> reassure me? It says you can reindex toast tables in the
> changelog, but ...
>
> Also I assume REINDEX in 7.3 still requires exclusive
> access? That could be a bummer.
Well, I am sure whoever applied the patch, Tom, tested it:
revision 1.85
date: 2002/08/29 15:56:20; author: tgl; state: Exp; lines: +15 -17
Cause REINDEX to regard TOAST tables as regular relations, not system
tables that need special defenses. I believe this is okay even for
TOAST tables that belong to system tables.
If you want to be sure, install 7.3 on a different port and test it.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
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