Flowdock
method

union

Importance_0
v6.1.7.7 - Show latest stable - 0 notes - Class: SelectManager
union(operation, other = nil) public

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# File activerecord/lib/arel/select_manager.rb, line 192
    def union(operation, other = nil)
      if other
        node_class = Nodes.const_get("Union#{operation.to_s.capitalize}")
      else
        other = operation
        node_class = Nodes::Union
      end

      node_class.new self.ast, other.ast
    end
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