public function schclass($start)
{
$query = new Query('SCHCLASS', $this->dbh);
$query->where('SCHCLASSID', '>', $start);
$query->order('SCHCLASSID');
$result = $query->get('SCHCLASSID,SCHNAME,STARTTIME,ENDTIME');
foreach ($result as $row) {
DailySchedule::create(['id' => $row['SCHCLASSID'], 'name' => $row['SCHNAME'], 'start_time' => $row['STARTTIME'], 'end_time' => $row['ENDTIME']]);
}
$size = count($result);
$this->num_data += $size;
return $size > 0 ? $result[$size - 1]['SCHCLASSID'] : $start;
}
