function countAvailable()
 {
     $record = new CRecordSante400();
     // Some DB2 drivers won't allow WHERE 1 syntax, WHERE 1 = 1 working better
     $query = "SELECT COUNT(*) AS TOTAL FROM {$this->base}.{$this->table}\r\n      WHERE 1 = 1\r\n    ";
     $query .= $this->getFilterClause();
     $record->query($query);
     return $record->consume("TOTAL");
 }