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Re: [PATCHES] About the structure of WAL Files.

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Charlie Wang <wangbaobing(at)gmail(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org, pgsql-patches(at)postgresql(dot)org,Qingqing Zhou <zhouqq(at)cs(dot)toronto(dot)edu>
Subject: Re: [PATCHES] About the structure of WAL Files.
Date: 2006-03-15 13:12:58
Message-ID: 20060315131258.GA5222@surnet.cl (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-patches
Charlie Wang wrote:
> I want to write a function to expose the content of WAL Files as streams,
> and then send to somewhere else, record by record. 

This is not a patch -- please do not write to the pgsql-patches list.
Thanks.

Re: the WAL records, most likely they are useless outside the server
that generated them, because they refer to relations using Oids, and to
specific page addresses which are probably not going to be exactly the
same anywhere else (consider VACUUM commands running at different
times).

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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