/**
* Returns a DataTable that has the name '$name' from the current Archive.
* If $idSubTable is specified, returns the subDataTable called '$name_$idSubTable'
*
* @param string $name
* @param int $idSubTable optional id SubDataTable
* @return Piwik_DataTable
*/
public function getDataTable($name, $idSubTable = null)
{
if (!is_null($idSubTable)) {
$name .= "_{$idSubTable}";
}
$data = $this->get($name, 'blob');
$table = new Piwik_DataTable();
if ($data !== false) {
$table->loadFromSerialized($data);
}
if ($data === false && $idSubTable !== null) {
throw new Exception("You are requesting a precise subTable but there is not such data in the Archive.");
}
return $table;
}
