| From: | Tomasz Myrta <jasiek(at)klaster(dot)net> |
|---|---|
| To: | Christoph Haller <ch(at)rodos(dot)fzk(dot)de> |
| Cc: | mallah(at)trade-india(dot)com, pgsql-sql(at)postgresql(dot)org |
| Subject: | Re: Formatting intervals.. |
| Date: | 2003-03-17 14:15:22 |
| Message-ID: | 3E75D87A.7020908@klaster.net |
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| Thread: | |
| Lists: | pgsql-sql |
>>It doesn't make sense. You don't have whole date, so how long should
>>month be? 28? 29? 30? 31?
>>
>
> It does. As long the months between January and October are.
> So
> select age ('10-10-1999'::timestamp , '1-1-1999'::timestamp ) ;
> age
> ---------------
> 9 mons 9 days
> (1 row)
>
> Regards, Christoph
Your example above is related to some real date, so we know how many
days each month have. When using interval - we don't know how many days
each month should have. beacuse interval is unrelated to date.
Tomasz
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