string_to_time

# File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 109
      def self.string_to_time(string)
        return string unless string.is_a?(String)
        time_array = ParseDate.parsedate(string)[0..5]
        # treat 0000-00-00 00:00:00 as nil
        Time.send(Base.default_timezone, *time_array) rescue nil
      end