Method timeTzToTimeStampTz

src/common/TimeZoneUtil.cpp:952–976

Converts a time-tz to timestamp-tz.

// Converts a time-tz to timestamp-tz.
ISC_TIMESTAMP_TZ TimeZoneUtil::timeTzToTimeStampTz(const ISC_TIME_TZ& timeTz, Callbacks* cb)
{
	// SQL: Copy date fields from CURRENT_DATE and time and time zone fields from the source.

	struct tm localTimes;
	TimeStamp::decode_date(cb->getLocalDate(), &localTimes);

	ISC_TIMESTAMP_TZ tsTz;
	tsTz.time_zone = timeTz.time_zone;
	tsTz.utc_timestamp.timestamp_date = TIME_TZ_BASE_DATE;
	tsTz.utc_timestamp.timestamp_time = timeTz.utc_time;

	struct tm times;
	int fractions;
	decodeTimeStamp(tsTz, false, NO_OFFSET, &times, &fractions);

	times.tm_mday = localTimes.tm_mday;
	times.tm_mon = localTimes.tm_mon;
	times.tm_year = localTimes.tm_year;

	tsTz.utc_timestamp = TimeStamp::encode_timestamp(&times, fractions);
	localTimeStampToUtc(tsTz);

	return tsTz;
}

// Converts a time-tz to timestamp.
ISC_TIMESTAMP TimeZoneUtil::timeTzToTimeStamp(const ISC_TIME_TZ& timeTz, Callbacks* cb)