/**
  * @param jDbConnection $conn the database connection
  */
 function __construct($conn)
 {
     $this->_conn = $conn;
     if ($this->_conn->hasTablePrefix()) {
         foreach ($this->_tables as $table_name => $table) {
             $this->_tables[$table_name]['realname'] = $this->_conn->prefixTable($table['realname']);
         }
     }
 }