/**
* Rename a column in all rows
*
* @param string $oldName Old column name
* @param string $newName New column name
*/
public function renameColumn($oldName, $newName)
{
foreach ($this->getRows() as $row) {
$row->renameColumn($oldName, $newName);
if (($idSubDataTable = $row->getIdSubDataTable()) !== null) {
Piwik_DataTable_Manager::getInstance()->getTable($idSubDataTable)->renameColumn($oldName, $newName);
}
}
if (!is_null($this->summaryRow)) {
$this->summaryRow->renameColumn($oldName, $newName);
}
}