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Re: Bug 1500

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Karel Zak <zakkr(at)zf(dot)jcu(dot)cz>
Cc: josh(at)agliodbs(dot)com, Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl>,List pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Bug 1500
Date: 2005-03-27 15:58:28
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
Karel Zak <zakkr(at)zf(dot)jcu(dot)cz> writes:
> 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"

Surely not.  to_char for timestamps doesn't require that you output
every field of the value, and it shouldn't require that for intervals

regression=# select to_char(now(), 'MI "min"');
 58 min
(1 row)

			regards, tom lane

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