/**
  * Class constructor
  * @param string $db The database name
  * @param string $filepath The file where the dump will be written
  * @param boolean $compress It defines if the output file is compress (gzip) or not
  * @param boolean $hexValue It defines if the output values are base-16 or not
  */
 function FKMYSQLDump($db = null, $filepath = 'dump.sql', $compress = false, $hexValue = false)
 {
     parent::MYSQLDump($db, $filepath, $compress, $hexValue);
     $this->_dbname = $db;
     $this->_fileName = parent::getOutputFile();
 }