From: | Josh Kupershmidt <schmiddy(at)gmail(dot)com> |
---|---|
To: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com> |
Cc: | Hari Babu <haribabu(dot)kommi(at)huawei(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: fixing pg_ctl with relative paths |
Date: | 2013-06-27 01:36:00 |
Message-ID: | CAK3UJRE-ZB6H-CCuXUURpe+-P09tJfjXzcNNA7s5jXzK2eU04g@mail.gmail.com |
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Lists: | pgsql-hackers |
On Wed, Jun 26, 2013 at 12:22 PM, Fujii Masao <masao(dot)fujii(at)gmail(dot)com> wrote:
> On Wed, Jun 26, 2013 at 2:36 PM, Hari Babu <haribabu(dot)kommi(at)huawei(dot)com> wrote:
>> On June 26, 2013 5:02 AM Josh Kupershmidt wrote:
>>>Thanks for the feedback. Attached is a rebased version of the patch with
>> the two small issues noted fixed.
>
> The following description in the document of pg_ctl needs to be modified?
>
> restart might fail if relative paths specified were specified on
> the command-line during server start.
Right, that caveat could go away.
> +#define DATADIR_SPEC "\"-D\" \""
> +
> + datadir = strstr(post_opts, DATADIR_SPEC);
>
> Though this is a corner case, the patch doesn't seem to handle properly the case
> where "-D" appears as other option value, e.g., -k option value, in
> postmaster.opts
> file.
Could I see a command-line example of what you mean?
> Just idea to work around that problem is to just append the specified -D option
> and value to post_opts. IOW, -D option and value appear twice in post_opts.
> In this case, posteriorly-located ones are used in the end. Thought?
Hrm, I think we'd have to be careful that postmaster.opts doesn't
accumulate an additional -D specification with every restart.
Josh
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