public function bigint($values){
      //For reference, this is what typically gets passed to this function:
      //$parts=Array('datatype'=>'int', 'precision'=>11, 'null'=>'not null', 'default'=>(int)$this->default);
      //DB::requireField($this->tableName, $this->name, "int(11) not null default '{$this->defaultVal}'");

      return 'bigint(26) not null auto_increment';
   }

class BigInt extends DBField {

   function __construct($name, $defaultVal = 0) {
      $this->defaultVal = is_int($defaultVal) ? $defaultVal : 0;
      
      parent::__construct($name);
   }

   /**
    * Returns the number, with commas added as appropriate, eg “1,000”.
    */
   function Formatted() {
      return number_format($this->value);
   }

   function nullValue() {
      return "0";
   }

   function requireField() {
      $parts=Array('datatype'=>'bigint', 'precision'=>26, 'null'=>'not null', 'default'=>$this->defaultVal, 'arrayValue'=>$this->arrayValue);
      $values=Array('type'=>'bigint', 'parts'=>$parts);
      DB::requireField($this->tableName, $this->name, $values);
   }

   function Times() {
      $output = new DataObjectSet();
      for( $i = 0; $i < $this->value; $i++ )
         $output->push( new ArrayData( array( 'Number' => $i + 1 ) ) );

      return $output;
   }

   function Nice() {
      return sprintf( '%d', $this->value );
   }
   
   public function scaffoldFormField($title = null, $params = null) {
      return new NumericField($this->name, $title);
   }
   
   /**
    * Return an encoding of the given value suitable for inclusion in a SQL statement.
    * If necessary, this should include quotes.
    */
   function prepValueForDB($value) {
      if($value === true) {
         return 1;
      } if(!$value || !is_numeric($value)) {
         if(strpos($value, '[')===false)
            return '0';
         else
            return addslashes($value);
      } else {
         return addslashes($value);
      }
   }
   
}