Re: Range Types - typo + NULL string constructor

David Fetter <david@fetter.org>

From: David Fetter <david@fetter.org>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Jeff Davis <pgsql@j-davis.com>, Florian Pflug <fgp@phlo.org>, Thom Brown <thom@linux.com>, Tom Lane <tgl@sss.pgh.pa.us>, Erik Rijkers <er@xs4all.nl>, pgsql-hackers@postgresql.org
Date: 2011-10-11T16:12:10Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →
  1. Replace the "New Linear" GiST split algorithm for boxes and points with a

On Tue, Oct 11, 2011 at 12:09:01PM -0400, Robert Haas wrote:
> On Tue, Oct 11, 2011 at 12:03 PM, Jeff Davis <pgsql@j-davis.com> wrote:
> > On Tue, 2011-10-11 at 06:28 -0700, David Fetter wrote:
> >> > Certainly not the end of the world, but is the convenience of being
> >> > able to write somerange(a, b) instead of somerange(a, b, '[)')
> >> > really worth it? I kind of doubt that...
> >>
> >> You're making a persuasive argument for the latter based solely on the
> >> clarity.  If people see that 3rd element in the DDL, or need to
> >> provide it, it's *very* obvious what's going on.
> >
> > That was how I originally thought, but we're also providing built-in
> > range types like tsrange and daterange. I could see how if the former
> > excluded the endpoint and the latter included it, it could be confusing.
> >
> > We could go back to having different constructor names for different
> > inclusivity; e.g. int4range_cc(1,10). That at least removes the
> > awkwardness of typing (and seeing) '[]'.
> 
> The cure seems worse than the disease.  What is so bad about '[]'?

Nothing's bad about '[]' per se.  What's better, but possibly out of
the reach of our current lexing and parsing system, would be things
like:

[1::int, 10)

Cheers,
David.
-- 
David Fetter <david@fetter.org> http://fetter.org/
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