rem: << rec.parentID_;
add: << rec.parentID_ << (Q_UINT8)rec.hasAttachments_;
context: operator << (QDataStream & s, EmpathIndexRecord & rec){    s   << rec.id_        << (Q_UINT8)rec.tagged_        << rec.subject_        << rec.senderName_        << rec.senderAddress_        << rec.date_        << rec.timeZone_        << (Q_UINT8)rec.status_        << rec.size_        << rec.messageID_        << rec.parentID_;    return s;}