predicate_builder

# File activerecord/lib/active_record/table_metadata.rb, line 66
    def predicate_builder
      if klass
        predicate_builder = klass.predicate_builder.dup
        predicate_builder.instance_variable_set(:@table, self)
        predicate_builder
      else
        PredicateBuilder.new(self)
      end
    end