/**
* This function replaces a string identifier <var>$prefix</var> with the
* string held is the <var>_table_prefix</var> class variable.
*
* @param string The SQL query
* @param string The common table prefix
*
* @return string
*/
public function replacePrefix($sql, $prefix = '#__')
{
$app = JFactory::getApplication();
$package = $app->getUserStateFromRequest('com_fabrik.package', 'package', 'fabrik', 'cmd');
$sql = str_replace('{package}', $package, $sql);
return parent::replacePrefix($sql, $prefix);
}