/**
* Selects min value of some field by some predefined condition.
*
* @return int Number of records.
*/
public function min()
{
$query = "SELECT min(`" . $this->field . "`) FROM " . $this->dbObject->getTableName();
if ($this->conditions != "") {
$query .= " WHERE " . $this->conditions;
}
return DBCore::selectSingleValue($query);
}
