Flowdock
method

merge!

Importance_0
Ruby on Rails latest stable (v4.2.7) - 0 notes - Class: ActiveRecord::SpawnMethods
merge!(other) public

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# File activerecord/lib/active_record/relation/spawn_methods.rb, line 40
    def merge!(other) # :nodoc:
      if other.is_a?(Hash)
        Relation::HashMerger.new(self, other).merge
      elsif other.is_a?(Relation)
        Relation::Merger.new(self, other).merge
      elsif other.respond_to?(:to_proc)
        instance_exec(&other)
      else
        raise ArgumentError, "#{other.inspect} is not an ActiveRecord::Relation"
      end
    end
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