Re: Questions about daterange() function

From: Ken Tanzer <ken(dot)tanzer(at)gmail(dot)com>
To: David G Johnston <david(dot)g(dot)johnston(at)gmail(dot)com>
Cc: PG-General Mailing List <pgsql-general(at)postgresql(dot)org>
Subject: Re: Questions about daterange() function
Date: 2014-06-26 20:17:05
Message-ID: CAD3a31Vy8qJd3tQRGzSxE5SAT9dvZ1Em6L6oNCQDbZk06WZ15Q@mail.gmail.com
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>
> > So here are my questions:
> >
> > 1) Is there anyway to control this behavior of daterange(), or is it
> just
> > best to (for example) add 1 to the upper bound argument if I want an
> > inclusive upper bound?
>
> See link for question #3; namely use the three-arg version of daterange
> (type,type,text)
>
>
> > 2) This is purely cosmetic, but is there anyway to control the output
> > formatting of a daterange to show the upper bound as inclusive? So that
> > daterange(d1,d2) would display as [d1,d2-1] rather than [d1,d2)?
>
> Not easily - you could write a custom type with the desired canonical form.
>
>
> > 3) I couldn't find this discussed in the documentation, and specifically
> > didn't find the daterange() function documented, including on this page
> > where I might have expected it:
> > http://www.postgresql.org/docs/9.3/static/functions-range.html. Is it
> > somewhere else where I'm not finding it?
>
> Yes, the documentation could maybe use some work on this topic. The
> relevant information is provided at:
>
> http://www.postgresql.org/docs/9.3/interactive/rangetypes.html
>
> See especially: 8.17.2 & 8.17.6
>
> David J.
>
>
> Thanks for your help!

>
>
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