upsert method
Implementation
@override
Future<bool> upsert(
Map<String, dynamic> values,
List<String> uniqueBy, [
Map<String, dynamic>? update,
]) async {
_validateFieldsForAssignment(values);
if (update != null) {
_validateFieldsForAssignment(update);
}
return super.upsert(values, uniqueBy);
}