AdjustTimeForTypmod anytime_typmod_check date2timestamp_no_overflow date2timestamp_opt_overflow date2timestamptz_opt_overflow date_cmp_timestamp_internal date_cmp_timestamptz_internal DATE_IS_NOBEGIN DATE_IS_NOEND DATE_NOBEGIN DATE_NOEND DATE_NOT_FINITE DateADT DateADTGetDatum DATEVAL_NOBEGIN DATEVAL_NOEND DatumGetDateADT DatumGetTimeADT DatumGetTimeTzADTP EncodeSpecialDate float_time_overflows GetSQLCurrentDate GetSQLCurrentTime GetSQLLocalTime interval2tm MAX_TIME_PRECISION PG_GETARG_DATEADT PG_GETARG_TIMEADT PG_GETARG_TIMETZADT_P PG_RETURN_DATEADT PG_RETURN_TIMEADT PG_RETURN_TIMETZADT_P time2tm time_overflows TimeADT TimeADTGetDatum timetz2tm TimeTzADTPGetDatum tm2interval tm2time tm2timetz

DATE_IS_NOBEGIN #define DATE_IS_NOBEGIN (   j )    ((j) == DATEVAL_NOBEGIN)