From: | Kevin Grittner <kgrittn(at)ymail(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Andres Freund <andres(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Thom Brown <thom(at)linux(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Incorrectly reporting config errors |
Date: | 2014-01-22 19:11:09 |
Message-ID: | 1390417869.28883.YahooMailNeo@web122303.mail.ne1.yahoo.com |
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Lists: | pgsql-hackers |
Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Kevin Grittner <kgrittn(at)ymail(dot)com> writes:
>> My preference would be to not generate noise for interim states;
>> just report net changes.
>
> Yeah. Is it worth explicitly detecting and dropping redundant assignments
> to the same variable? A naive check for that would be O(N^2) in the
> number of entries in the conf file, but perhaps that's still cheap enough
> in practice. This would mean for example that
>
> shared_buffers = 'oops'
> shared_buffers = '128MB'
>
> would not draw an error, which doesn't bother me but might bother
> somebody.
It doesn't bother me any.
>> And don't say that a file "contains
>> errors" when we mean "those options are ignored on reload; they
>> will only take effect on restart".
>
> I'm not happy about complicating that logic even more. I think the
> reasonable choices here are to reword that message somehow, or just
> drop it completely.
I agree. No strong preference which,
--
Kevin Grittner
EDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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