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Re: pg_dump locking info

From: Stefan Kaltenbrunner <stefan(at)kaltenbrunner(dot)cc>
To: Thom Brown <thom(at)linux(dot)com>
Cc: pgsql-docs <pgsql-docs(at)postgresql(dot)org>
Subject: Re: pg_dump locking info
Date: 2010-08-15 09:45:13
Message-ID: 4C67B729.8010200@kaltenbrunner.cc (view raw or flat)
Thread:
Lists: pgsql-docs
On 08/15/2010 11:01 AM, Thom Brown wrote:
> Is this right?  I'm looking at
> http://www.postgresql.org/docs/current/static/backup-dump.html
>
> It says, "pg_dump does not block other operations on the database
> while it is working. (Exceptions are those operations that need to
> operate with an exclusive lock, such as most forms of ALTER TABLE.)"
>
> So pg_dump actually performs an ALTER TABLE sometimes? :S

No it does not - it however blocks operations like ALTER TABLE while it 
is running(which is exactly how I read the above statement).


Stefan

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