Re: Bug 1500 - Mailing list pgsql-hackers

From Karel Zak
Subject Re: Bug 1500
Date
Msg-id 1111921413.2388.121.camel@petra
Whole thread Raw
In response to Re: Bug 1500  (Karel Zak <zakkr@zf.jcu.cz>)
Responses Re: Bug 1500  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
On Sun, 2005-03-27 at 12:03 +0200, Karel Zak wrote:
> On Sat, 2005-03-26 at 15:56 -0800, Josh Berkus wrote:
> > Alvaro,
> > 
> > > On Sat, Mar 26, 2005 at 02:04:14PM -0800, Josh Berkus wrote:
> > > > SELECT to_char( INTERVAL '43 hours 20 minutes', 'MI' ) || ' min';
> > > > 2600 min
> > >
> > > Hmm, what if you wanted more than one literal string?  Say "1 mon 3
> > > days" ... your concatenation idea wouldn't work.  ISTM the format string
> > > should allow unconverted literals, so you would use
> > >
> > > SELECT to_char( INTERVAL '43 hours 20 minutes', 'MI min' );
>
> Well, I'm going to check how difficult will be implement correct to_char
> (interval).

Hmm, if we want to support conversion like:
'43 hours 20 minutes' --> 'MI min'

how we should work with calendar INTERVAL units? For example 'month'?
'1 month 1 day' --> 'D days'

I think answer should be error message: "missing calendar unit 'month'
in output format"
Karel
-- 
Karel Zak <zakkr@zf.jcu.cz>



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