Thanks for the clarification. I'll use Ripple to generate some 'canonical'
strings to work with while I do other, more nefarious, things with them.
Much appreciated.
---
Jeremiah Peschka
Founder, Brent Ozar PLF
On Thursday, May 26, 2011 at 2:42 AM, Mathias Meyer wrote:
> Jeremiah,
>
> I sure hope you have not been drinking mouthwas.
>
> The wiki is indeed showing single key filters, and that's confusing. In
> hindsight, it confused me too when I worked with key filters from the wiki
> page for the first time. I'll make sure we put some proper examples on that
> page to clarify how they should end up looking when multiple are put
> together.
>
> The bottom line is that Ripple does produce proper key filter code with
> conditions and that you are absolutely correct in bringing up this slight
> confusion.
>
> Mathias Meyer
> Developer Advocate, Basho Technologies
>
> On Donnerstag, 26. Mai 2011 at 03:34, Jeremiah Peschka wrote:
>
> > An MR job has 0 or more key filters. Adding a few transforms generates a
> > lovely list of lists:
> > { "inputs":{ "bucket":"invoices" "key_filters":[["tokenize", "-", 1],
> > ["to_lower"], ["matches", "solutions"]] }, // ... }
> > That makes sense: we've got a list of key filters. And a key filter is, in
> > effect, a list of arguments.
> >
> > The complex predicates are throwing me off. Looking at the spec from Ripple
> > in filter_builder_spec.rb [1] and it's showing that
> >
> > subject.OR do
> > starts_with "foo"
> > ends_with "bar"
> > end
> >
> >
> > becomes
> >
> > [[:or, [[:starts_with, "foo"],[:ends_with, "bar"]]]]
> >
> > Which is not at all the same as what the wiki says an OR should look like:
> >
> > ["or", [["eq", "google"]], [["less_than", "g"]]]
> >
> > Apart from the obvious difference in syntax, have I been drinking mouthwash
> > or did the wiki suddenly switch from showing a complete key filter
> > condition to showing an individual key filter command for AND, OR, and NOT?
> >
> > Jeremiah
> > _______________________________________________
> > riak-users mailing list
> > [email protected] (mailto:[email protected])
> > http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
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