/**
* Add row to the redirect table if this is a redirect, remove otherwise.
*
* @param IDatabase $dbw
* @param Title $redirectTitle Title object pointing to the redirect target,
* or NULL if this is not a redirect
* @param null|bool $lastRevIsRedirect If given, will optimize adding and
* removing rows in redirect table.
* @return bool True on success, false on failure
* @private
*/
public function updateRedirectOn($dbw, $redirectTitle, $lastRevIsRedirect = null)
{
// Always update redirects (target link might have changed)
// Update/Insert if we don't know if the last revision was a redirect or not
// Delete if changing from redirect to non-redirect
$isRedirect = !is_null($redirectTitle);
if (!$isRedirect && $lastRevIsRedirect === false) {
return true;
}
if ($isRedirect) {
$this->insertRedirectEntry($redirectTitle);
} else {
// This is not a redirect, remove row from redirect table
$where = ['rd_from' => $this->getId()];
$dbw->delete('redirect', $where, __METHOD__);
}
if ($this->getTitle()->getNamespace() == NS_FILE) {
RepoGroup::singleton()->getLocalRepo()->invalidateImageRedirect($this->getTitle());
}
return $dbw->affectedRows() != 0;
}
/**
* Print the results, callback for $db->sourceStream()
* @param ResultWrapper $res The results object
* @param IDatabase $db
*/
public function sqlPrintResult($res, $db)
{
if (!$res) {
// Do nothing
return;
} elseif (is_object($res) && $res->numRows()) {
foreach ($res as $row) {
$this->output(print_r($row, true));
}
} else {
$affected = $db->affectedRows();
$this->output("Query OK, {$affected} row(s) affected\n");
}
}