int compareWith(const GeographyPointValue& rhs) const {
// Caller guarantees that neither side is null
assert(! isNull());
assert(! rhs.isNull());
Coord lhsLong = getLongitude();
Coord rhsLong = rhs.getLongitude();
if (lhsLong < rhsLong) {
return VALUE_COMPARE_LESSTHAN;
}
if (lhsLong > rhsLong) {
return VALUE_COMPARE_GREATERTHAN;
}
// latitude is equal; compare longitude
Coord lhsLat = getLatitude();
Coord rhsLat = rhs.getLatitude();
if (lhsLat < rhsLat) {
return VALUE_COMPARE_LESSTHAN;
}
if (lhsLat > rhsLat) {
return VALUE_COMPARE_GREATERTHAN;
}
return VALUE_COMPARE_EQUAL;
}
template<> NValue NValue::callUnary<FUNC_VOLT_POINT_LATITUDE>() const {
if (isNull()) {
return NValue::getNullValue(VALUE_TYPE_DOUBLE);
}
const GeographyPointValue point = getGeographyPointValue();
NValue retVal(VALUE_TYPE_DOUBLE);
retVal.getDouble() = point.getLatitude();
return retVal;
}