Re: [PATCH 8/8] Introduce wal decoding via catalog timetravel

From: Tatsuo Ishii <ishii(at)postgresql(dot)org>
To: josh(at)agliodbs(dot)com
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: [PATCH 8/8] Introduce wal decoding via catalog timetravel
Date: 2012-10-15 23:09:37
Message-ID: 20121016.080937.1101783753052076561.t-ishii@sraoss.co.jp
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> The design Andres and Simon have advanced already eliminates a lot of
> the common failure cases (now(), random(), nextval()) suffered by pgPool
> and similar tools. But remember, this feature doesn't have to be

Well, pgpool-II already solved the now() case by using query rewriting
technique. The technique could be applied to random() as well but I'm
not convinced it is worth the trouble. nexval() would be a little
harder because pgpool needs an assistance from PostgreSQL core.
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese: http://www.sraoss.co.jp

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