Peter Eisentraut a écrit :
> Guillaume Lelarge wrote:
>> I've tried to work on the first one, the ISO day field. My patch is
>> attached and is against CVS HEAD. It only takes care of the code,
>> nothing is done for documentation matter. It works with me :
>>
>> toto=# select to_char(('2006-10-'||a+2)::date, 'DAY') as "dow",
>> to_char(('2006-10-'||a+2)::date, 'ID') as "ID field",
>> to_char(('2006-10-'||a+2)::date, 'D') as "D field"
>> from generate_series(1, 15) as a;
>
> There is an inconsistency here: 'IYYY' is the four-digit ISO year, 'IW'
> is the two-digit ISO week, but 'ID' would be the one-digit ISO
> day-of-the-week. I'm not sure we can fix that, but I wanted to point
> it out.
>
Is there a two digit ISO day of the week ? If not, we should use ID. As
you say, I don't know what we can do about that. I used Brendan Jurd's
idea, perhaps he can tell us more on this matter.
> We should also support a format for ISO day-of-the-year, which might
> be 'IDDD'.
>
I will work tomorrow on this one.
Regards.
--
Guillaume.
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