function _buildQuery()
{
if (!DailyStatistics::validateDate($this->date)) {
return $this->_error('date');
}
$query = DBModel::getInstance();
$query->reset('DailyStatistics');
$query->setQualifier('blogid', 'equals', getBlogId());
$query->setQualifier('datemark', 'equals', $this->date);
if (isset($this->visits)) {
if (!Validator::number($this->visits, 1)) {
return $this->_error('visits');
}
$query->setAttribute('visits', $this->visits);
}
return $query;
}
