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Re: initdb change

From: Joshua Drake <jd(at)commandprompt(dot)com>
To: David Fetter <david(at)fetter(dot)org>
Cc: PG Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: initdb change
Date: 2008-08-25 15:51:26
Message-ID: 20080825085126.5f509c22@jd-laptop (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
On Mon, 25 Aug 2008 08:40:17 -0700
David Fetter <david(at)fetter(dot)org> wrote:

> Folks,
> While initdb allows you to choose a directory for transaction logs, it
> can't already exist, so it can't be in its usual place under $PGDATA.
> I'd like to propose that this be allowed by having an alternate syntax
> for the -X option, namely, "existing."
> When -X is set to "existing", it would check whether pg_xlog is a
> directory and the only thing in $PGDATA.  One way to do that is to add
> a new return code to check_data_dir() and a new branch of the case
> statement after it's called.

Why not just implicitly do it? If the directory already exists we throw
a notice saying:

NOTICE: pg_xlog destination already exists, creating pg_xlog underneath
(or some such thing)

> What say?
> Cheers,
> David.

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