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Re: vacuum hint on elog

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Neil Conway <neilc(at)samurai(dot)com>
Cc: PostgreSQL-patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: vacuum hint on elog
Date: 2005-01-22 21:20:59
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-patches
Neil Conway <neilc(at)samurai(dot)com> writes:
> It occurred to me that if we elog(ERROR) during VACUUM, the vacuum 
> activity hint will not be reset.

The code beginning at freelist.c line 645 is intended to deal with this.

> Attached is a patch which resets the vacuum activity hint in 
> AbortTransaction().

I dislike exposing such low-level issues to AbortTransaction().
If an explicit reset is needed, there should be something like
an AtAbort_Buffers() call that does this as well as any other
low-level issues needed (eg AbortBufferIO()).  Note that you
missed AbortSubTransaction() anyway.

			regards, tom lane

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