Rails 3.0 – Arel Acrobatics

February 5, 2011

I’ve recently started a project, using Ruby on Rails version 3.0.1, that has been teaching me a *lot*. One such lesson is some pretty quirky magic involving rails’s new Arel engine for querying the database. ┬áIt’s best taught through an example modeling the exact problem I had – in a different problem space.

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