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From: David F. Skoll <dfs@roaringpenguin.com>
To: pgsql-admin <pgsql-admin@postgresql.org>
Subject: Re: Hot-standby and canceled queries
Date: Wed, 24 Apr 2013 11:34:16 -0400
Message-ID: <20130424113416.2d6705e8@hydrogen.roaringpenguin.com> (raw)
In-Reply-To: <CA+U5nMKFaOcr2GAnr6m7P1e_YduX-sj5U8ZSyhXDO26KCuBRow@mail.gmail.com>
References: <20130424074238.2aa7f764@shishi.roaringpenguin.com>
	<CA+U5nMKFaOcr2GAnr6m7P1e_YduX-sj5U8ZSyhXDO26KCuBRow@mail.gmail.com>
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On Wed, 24 Apr 2013 14:01:13 +0100
Simon Riggs <simon@2ndQuadrant.com> wrote:

[How to ensure query on hot-standby is not canceled by a
 vacuum cleanup on the master.]

>> do I need to use UPDATE or INSERT to ensure that a vacuum cleanup
>> isn't applied until the transaction is finished?

> SELECT is sufficient

Great!  Thanks for your reply.

Regards,

David.


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