From: | Euler Taveira de Oliveira <euler(at)timbira(dot)com> |
---|---|
To: | Brendan Jurd <direvus(at)gmail(dot)com> |
Cc: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: WIP: to_char, support for EEEE format |
Date: | 2009-07-30 16:57:44 |
Message-ID: | 4A71D108.6020701@timbira.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-hackers |
Brendan Jurd escreveu:
> 2009/7/31 Euler Taveira de Oliveira <euler(at)timbira(dot)com>:
>> Brendan Jurd escreveu:
>>> Limiting to two exponent digits also has the nice property that the
>>> output always matches the length of the format pattern:
>>>
>>> 9.99EEEE
>>> 1.23E+02
>>>
>> I don't think neglecting to represent a valid number is a "nice property".
>> What does the length of format pattern have to do with output format?
>
> Most of the format patterns in to_char() are chosen to match the
> length of their expected output. The output of "DD" is two
> characters, "Mon" is three and so on.
>
Brendan, the main point of to_*() functions is Oracle-compatibility. So let's
just do it. No matter it seems bizarre (like 999.99EEEE).
> That's why the scientific notation pattern is "EEEE" and not just "E".
>
I don't know. Ask Oracle. ;) We don't need to bother with that. Let's just be
compatible.
--
Euler Taveira de Oliveira
http://www.timbira.com/
From | Date | Subject | |
---|---|---|---|
Next Message | Joe Conway | 2009-07-30 17:02:11 | Re: CommitFest Status Summary - 2009-07-25 |
Previous Message | Tom Lane | 2009-07-30 16:46:43 | Re: WIP: to_char, support for EEEE format |