code: public static DateString jodaToCalciteDateString(final DateTime dateTime, final DateTimeZone timeZone)
    {
      return new DateString(CALCITE_DATE_PRINTER.print(dateTime.withZone(timeZone)));
    }
docs: Calcite expects DATE literals to be represented by DateStrings in the local time zone.
  
  @param dateTime joda timestamp
  @param timeZone session time zone
  
  @return Calcite style Calendar, appropriate for literals