function generate_number()
{
$return_value = '';
$number_filed = array('num_suf');
$rown = '';
$n = $this->db->getRowCount($result);
$query = 'SELECT num_suf';
$query .= ' FROM materials';
$query .= " WHERE deleted=0";
$query .= " AND num_suf IS NOT NULL";
$query .= " ORDER by num_suf ASC";
$result = $this->db->query($query, true, " Error filling in additional detail fields: ");
$n = $this->db->getRowCount($result);
if ($n > 0) {
while ($row = $this->db->fetchByAssoc($result)) {
foreach ($number_filed as $num_field) {
for ($i = 0; $i < $n; $i++) {
$rown[$i] = $row[$num_field];
}
}
}
}
if ($rown != null) {
$return_value = $rown;
$number = Material::pnum_sort($return_value);
$numb = $number[0] + 1;
} else {
$numb = 10000;
}
return $numb;
}
