Re: proposal: a validator for configuration files

From: Florian Pflug <fgp(at)phlo(dot)org>
To: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
Cc: Alexey Kluykin <alexk(at)commandprompt(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Selena Deckelmann <selena(at)chesnok(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: proposal: a validator for configuration files
Date: 2011-07-14 00:12:28
Message-ID: 7F01EAE3-82C2-454F-BA0B-6168C636C616@phlo.org
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On Jul14, 2011, at 01:38 , Alvaro Herrera wrote:
> One strange thing here is that you could get two such messages; say if a
> file has 100 parse errors and there are also valid lines that contain
> bogus settings (foo = bar). I don't find this to be too problematic,
> and I think fixing it would be excessively annoying.
>
> For example, a bogus run would end like this:
>
> 95 LOG: syntax error in file "/pgsql/install/HEAD/data/postgresql.conf" line 4, near end of line
> 96 LOG: syntax error in file "/pgsql/install/HEAD/data/postgresql.conf" line 41, near end of line
> 97 LOG: syntax error in file "/pgsql/install/HEAD/data/postgresql.conf" line 104, near end of line
> 98 LOG: syntax error in file "/pgsql/install/HEAD/data/postgresql.conf" line 156, near end of line
> 99 LOG: syntax error in file "/pgsql/install/HEAD/data/postgresql.conf" line 208, near end of line
> 100 LOG: syntax error in file "/pgsql/install/HEAD/data/postgresql.conf" line 260, near end of line
> 101 LOG: too many errors found, stopped processing file "/pgsql/install/HEAD/data/postgresql.conf"
> 102 LOG: unrecognized configuration parameter "plperl.err"
> 103 LOG: unrecognized configuration parameter "this1"
> 104 LOG: too many errors found, stopped processing file "/pgsql/install/HEAD/data/postgresql.conf"
> 105 FATAL: errors detected while parsing configuration files

How about changing ParseConfigFile to say "too many *syntax* error found"
instead? It'd be more precise, and we wouldn't emit exactly the
same message twice.

Do you want me to take a closer look at your modified version of the
patch before you commit, or did you post it more as a "FYI, this is
how it's going to look like"?

best regards,
Florian Pflug

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