Re: REVIEW proposal: a validator for configuration files

Peter Eisentraut <peter_e@gmx.net>

From: Peter Eisentraut <peter_e@gmx.net>

To: Tom Lane <tgl@sss.pgh.pa.us>

Cc: Andy Colson <andy@squeakycode.net>, Alexey Klyukin <alexk@commandprompt.com>, Pg Hackers <pgsql-hackers@postgresql.org>

Date: 2011-09-12T19:24:02Z

Lists: pgsql-hackers

On ons, 2011-09-07 at 10:00 -0400, Tom Lane wrote:
> There has however
> been some debate about the exact extent of ignoring bad values during
> reload --- currently the theory is "ignore the whole file if anything is
> wrong", but there's some support for applying all non-bad values as long
> as the overall file syntax is okay. 

That could be a problem if you have some values that depend on each
other, and then you change both of them, but because of an error only
one gets applied.  I think ACID(-like) changes is a feature, also on
this level.