eql?

# File activerecord/lib/arel/nodes/delete_statement.rb, line 30
      def eql?(other)
        self.class == other.class &&
          self.relation == other.relation &&
          self.wheres == other.wheres &&
          self.orders == other.orders &&
          self.groups == other.groups &&
          self.havings == other.havings &&
          self.limit == other.limit &&
          self.offset == other.offset &&
          self.key == other.key
      end