<commit_before>module Arel
  class Expression < Attribute
    attr_reader :attribute
    alias :name :alias

    def initialize(attribute, aliaz = nil, ancestor = nil)
      super(attribute.relation, aliaz, :alias => aliaz, :ancestor => ancestor)
      @attribute = attribute
    end

    def == other
      super && Expression === other && attribute == other.attribute
    end

    def aggregation?
      true<commit_msg>removing unused code<commit_after>module Arel
  class Expression < Attribute
    attr_reader :attribute
    alias :name :alias

    def initialize(attribute, aliaz = nil, ancestor = nil)
      super(attribute.relation, aliaz, :alias => aliaz, :ancestor => ancestor)
      @attribute = attribute
    end

    def aggregation?
      true
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{'dir': 'git-commits-cleaned', 'id': '3197102', 'n_tokens_mistral': 212, 'n_tokens_neox': 200, 'n_words': 65}