| 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 16:14:25 |
| Message-ID: | 4A71C6E1.5090100@timbira.com |
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| Lists: | pgsql-hackers |
Brendan Jurd escreveu:
> Hmm. For what it's worth, I think Pavel makes a good point about the
> number of exponent digits -- a large chunk of the use case for numeric
> formatting would be fixed-width reporting.
>
But it doesn't cover all numbers in the interval. And in this case, all
numbers can be easily represented.
> 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?
--
Euler Taveira de Oliveira
http://www.timbira.com/
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