Re: Logical decoding document

From: Andres Freund <andres(at)2ndquadrant(dot)com>
To: Tatsuo Ishii <ishii(at)postgresql(dot)org>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Logical decoding document
Date: 2015-02-12 13:58:32
Message-ID: 20150212135832.GC9449@alap3.anarazel.de
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Hi,

On 2015-02-12 22:55:33 +0900, Tatsuo Ishii wrote:
> Hi, I need help.
>
> In "46.6.4.5 Change Callback"
>
> Note: Only changes in user defined tables that are not unlogged
> (see UNLOGGED) and not temporary (see TEMPORARY or TEMP) can be
> extracted using logical decoding.
>
> I cannot parse the sentence above. Maybe logical decoding does not
> decode a table if it is an unloged table or a temporary table?

It basically is saying that you won't see changes made to temporary
and/or unlogged tables. But the begin/commit callbacks being called for
the relevant transaction.

Greetings,

Andres Freund

--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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