Re: Replace PG_AUTOCONF_FILENAME with parameter

From: Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk>
To: Jonathan Jacobson <jonjac(at)gmail(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Replace PG_AUTOCONF_FILENAME with parameter
Date: 2018-10-05 06:56:16
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>>>>> "Jonathan" == Jonathan Jacobson <jonjac(at)gmail(dot)com> writes:

Jonathan> As opposed to config_file, hba_file, etc. the name and
Jonathan> location of the autoconfig file is fixed to
Jonathan> $PGDATA/ (guc.h)

The reason it's in a fixed location is that the server needs to be able
to rewrite the file, and we don't assume we can write to directories
outside of $PGDATA unless the _directory_ (not the file) was explicitly
specified (e.g. unix_socket_directories or stats_temp_directory).

hba_file and ident_file can be outside $PGDATA because the server never
needs to write to them.

Andrew (irc:RhodiumToad)

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