/**
* Method to du data dump only
* @param AbstractDB $db db identifier
* @param appname application name
* @param myurl
* @param backupPath backup file storage location
*/
function dataOnly(&$db, $appname = "eHMIS Backup", $myurl = "http://localhost", $backupPath)
{
//write the file headers
$writefile = Exporter::sqlfileHeaders($appname, $myurl);
//put in a sql comment to start the table data
$writefile .= "-- Table data... \n\n";
//set the data variable to null
$dataArray = null;
//get the data
$dataArray = Exporter::getDBDataDump($db, ANYDB_DUMP_SQL);
$writefile .= Exporter::writeData($dataArray);
Exporter::writeSQL($backupPath, $writefile);
}