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From: Tom Lane <tgl@sss.pgh.pa.us>
To: David Witham <davidw@unidial.com.au>
Cc: pgsql-sql@postgresql.org
Subject: Re: ANALYZE error
Date: Mon, 08 Mar 2004 23:55:49 -0500
Message-ID: <20428.1078808149@sss.pgh.pa.us> (raw)
In-Reply-To: <CFA248776934FD43847E740E43C346D199DC67@ozimelb03.ozicom.com>
References: <CFA248776934FD43847E740E43C346D199DC67@ozimelb03.ozicom.com>

"David Witham" <davidw@unidial.com.au> writes:
> Occasionally I get this error message from the analyze job:
> ERROR:  simple_heap_update: tuple concurrently updated
> What does this mean and should I do anything about it?

You can get this if two ANALYZEs run in parallel for the same table;
whichever one tries to update pg_statistic second fails with the above
error.  It's moderately annoying, but not dangerous.

			regards, tom lane



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