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Add string concatenation support. #173

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Add string concatenation support. #173

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5 changes: 5 additions & 0 deletions lib/arel/expression.rb
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Original file line number Diff line number Diff line change
@@ -1,5 +1,10 @@
module Arel
module Expression
include Arel::OrderPredications

def concat other
Nodes::Concatenation.new self, other
end

end
end
8 changes: 7 additions & 1 deletion lib/arel/nodes/infix_operation.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -40,5 +40,11 @@ def initialize left, right
end
end

class Concatenation < InfixOperation
def initialize left, right
super(:"||", left, right)
end
end

end
end
end