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Re: Default Locale in initdb

From: Andrew Dunstan <andrew(at)dunslane(dot)net>
To: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Default Locale in initdb
Date: 2004-06-02 18:54:48
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
Paul Ramsey wrote:

> Just because it is not new does not mean that it is good.

Sure. I've been caught by it too. Once. :-)

> When this new behavior was introduced, and I migrated our databases to 
> the new PgSQL version (dump/restore), the locale of all my databases 
> were silently changed from C to US_en. This broke one application in a 
> very subtle way because of slightly different sort behavior in the 
> different locale. Tracking it down was quite tricky.
> PgSQL was just a little too helpful in this case.

It doesn't happen silently - initdb tells you what it is doing.

Ignoring the current environment and using a default value of "C" would 
be a very simple change to make, if that's what people want.



> Andrew Dunstan wrote:
>> pgsql(at)mohawksoft(dot)com wrote:
>>> Is it me or has the default locale of created databases change at 
>>> some point?
>>> Currently, on Linux, if one does not specify a locale, the locale is 
>>> taken
>>> from the system environment and it is not "C."
>>> While I can both sides of a discussion, I think that choosing a 
>>> "locale"
>>> without one being specified is a bad idea, even if it is the locale 
>>> of the
>>> machine. The reason why it is a bad idea is that certain features of 
>>> the
>>> database which only work correctly with a locale of "C" will not 
>>> work by
>>> default.
>> This is not new behaviour.
>> (Why are you the only person who posts here who is nameless?)
>> cheers
>> andrew

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