module Arel

CASE implementation for Arel Based on: github.com/take-five/acts_as_ordered_tree/blob/master/lib/acts_as_ordered_tree/transaction/dsl.rb Extended with support for CASE expr WHEN expr[, expr, …] by Felix Buenemann gist.github.com/felixbuenemann/eb2e0f6c66469a98f748