Logical decoding document

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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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.

Oh, thanks.

Best regards,
--
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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