    # File lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 121
          def self.string_to_dummy_time(string)
            return string unless string.is_a?(String)
            return nil if string.empty?
            time_hash = Date._parse(string)
            time_hash[:sec_fraction] = microseconds(time_hash)
            # pad the resulting array with dummy date information
            time_array = [2000, 1, 1]
            time_array += time_hash.values_at(:hour, :min, :sec, :sec_fraction)
            Time.send(Base.default_timezone, *time_array) rescue nil
          end