Not quite. Datamapper does two things intelligently. The first is that it
infers what it's supposed to do based on the value of a property.
So when you say `People.all(age: (start..end))` it'll infer that you want
to look for ages within that range.
Additionally DataMapper allows you to use structured keys to indicate other
relationships. Early in DataMapper's life, back when it was still okay to
patch core classes, DataMapper by default added some methods on Symbol that
allowed you to say things like :age.gt and have that Do The Right Thing.
That's fallen out of vogue directly, but you can still use structured keys
as strings. So you should be able to say `People.all("age.gt": 15)` and
it'll look for everyone older than 15.
On Wed, Apr 3, 2013 at 8:17 PM, gutsho...@gmail.com <gutsho...@gmail.com>wrote:
> Ah, I see.
>
> I did notice that zoo.all(population: (start..end)) is valid. I guess
> that's what you meant by "mix the two syntaxes."
>
>
> gutsho...@gmail.com
>
> On Wednesday, April 3, 2013 at 9:08 PM, Chris Corbyn wrote:
>
> That syntax is not a new Symbol format, it's a new Hash syntax, where the
> keys are Symbols. You can't use that with DataMapper, since :staff.gt is
> not a Symbol itself. You can mix the two syntaxes if you want though.
>
> Il giorno 04/apr/2013, alle ore 11:50, Gus Shotz <gutsho...@gmail.com> ha
> scritto:
>
> How would I write zoo.all(:population.gte => 100, :staff.gt => 2) using
> the newer symbol: format? I was hoping I could do zoo.all(population: >=
> 100, staff: > 2) but it doesn't work.
>
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