Re: Why *exactly* is date_trunc() not immutable ?

On Mon, Feb 19, 2007 at 12:41:11PM -0600, Bruno Wolff III wrote:

>   Karsten Hilbert  wrote:
> > 
> > The date-of-birth field in our table holding patients is of
> > type "timestamp with time zone". One of our patient search
> > queries uses the date-of-birth field to find matches. Since
> > users enter day, month, and year but not hour, minute, and
> > second of the DOB we run the query with
> 
> That seems like an odd choice. Is there some reason they didn't use a type
> of date? Maybe you could get them to change it?

What time of day were you born ?

	http://en.wikipedia.org/wiki/Apgar

What is the technical reason that makes you wonder ?

Karsten
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