On Tue, Feb 19, 2013 at 11:51:16AM -0500, Tim Pope wrote:
> On Tue, Feb 19, 2013 at 5:27 AM, Aaron Patterson
> <[email protected]> wrote:
> > On Mon, Feb 18, 2013 at 10:58:05PM -0500, Tim Pope wrote:
> >> This seems like such an obvious idea that I'm having trouble believing
> >> I'm the first to think of it. Why not take ranges containing
> >> Float::INFINITY and translate them to the appropriate greater than or
> >> less than comparisons? Example:
> >>
> >> class Person
> >>    scope :voters, -> { where(born_on: (-Float::INFINITY..18.years.ago)) }
> >> end
> >>
> >> This would generate something along the lines of "WHERE people.born_on
> >> <= '1995-02-19'".
> >>
> >> A proof of concept implementation was easy to knock out:
> >>     
> >> https://github.com/tpope/rails/commit/b98545a930546854ddf401edfaad4a3a4860aeff
> >>
> >> This seems like a intuitive, unobtrusive way to make some comparison
> >> operators available without dropping down to SQL.  Tell me why I'm
> >> wrong.
> >
> > You're wrong because you didn't add any tests. ;-)
> 
> Wanted to make sure I wasn't crazy before sorting those out. I'll take
> this as a vote of confidence.
> 
> Testing led me to ARel as the more natural destination:
> 
> https://github.com/tpope/arel/tree/infinity-ranges

Excellent.  It seems legit.  I wish there was a more elegant way than
all the if / elsif, but I don't see it.

Send a PR and we can makeitso.

-- 
Aaron Patterson
http://tenderlovemaking.com/

-- 
You received this message because you are subscribed to the Google Groups "Ruby 
on Rails: Core" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To post to this group, send email to [email protected].
Visit this group at http://groups.google.com/group/rubyonrails-core?hl=en.
For more options, visit https://groups.google.com/groups/opt_out.


Reply via email to