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From: Tom Lane <[email protected]>
To: Fujii Masao <[email protected]>
Cc: Heikki Linnakangas <[email protected]>
Cc: Bruce Momjian <[email protected]>
Cc: Randy Isbell <[email protected]>
Cc: [email protected]
Subject: Re: BUG #4566: pg_stop_backup() reports incorrect STOP WAL LOCATION
Date: Thu, 15 Jan 2009 21:42:23 -0500
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
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Fujii Masao <[email protected]> writes:
> Currently, stop wal filename is not always exclusive. If stop wal location
> doesn't indicate a boundary byte, its filename is inclusive. I'm afraid that
> the users cannot easily judge which "filename - 1" or "filename" should be
> waited. I mean that the users need to calculate whether stop wal location
> indicates a boundary byte or not before starting waiting. Such calculation
> should be done by the users?

No, which is why we provide functions to do it ;-)

It's really not worth changing the file contents.  We're far more likely
to hear complaints like "you broke my archive script and I lost all my
data" than compliments about "the contents of this internal
implementation file are lots more sensible now".

			regards, tom lane

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