public function __construct($handle = null)
{
$this->connection = $handle;
$this->query = $this->result = null;
$this->parameters = array();
//$this->numberRecords = 0; // probably no longer needed
$this->fields = array();
$this->fieldNames = array();
$this->primaryKeys = array();
$this->foreignKeys = array();
$this->reverseForeignKeys = null;
$this->logFile = null;
$this->schema = null;
dbClass::$instance = $this;
// construct new dbClass::$instances element using host and database name?
}
