Re: ALTER SYSTEM vs symlink - Mailing list pgsql-hackers

From Josh Berkus
Subject Re: ALTER SYSTEM vs symlink
Date
Msg-id 5637AB15.6030801@agliodbs.com
Whole thread Raw
In response to ALTER SYSTEM vs symlink  (Andrew Dunstan <andrew@dunslane.net>)
List pgsql-hackers
On 11/02/2015 06:36 AM, Tom Lane wrote:
> Andrew Dunstan <andrew@dunslane.net> writes:
>> I don't know if this was discussed at the time ALTER SYSTEM was 
>> implemented, but I have just discovered that if postgresql.auto.conf is 
>> a symlink to a file elsewhere, ALTER SYSTEM will happily break that link 
>> and write its own local copy. That strikes me as rather unfriendly. Why 
>> not just truncate the file rather than unlink it as it's being 
>> rewritten? Even if we don't want to do that a warning in the docs might 
>> help users avoid the "mistake" I just made.
> 
> Frankly, that behavior strikes me as a good idea.  There is no situation,
> IMV, where it's sane to try to put a symlink there.

So, just a doc patch then?

Since we have both include files and config_dir, I really don't
understand why anyone symlinks conf files anymore.  Anyone care to
enlighten me?

-- 
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com



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