/**
* @param int $index
+ * @param string[] $groups
* @return IDatabase
*/
- private static function getDB( $index ) {
- return MediaWikiServices::getInstance()->getDBLoadBalancer()->getConnection( $index );
+ private static function getDB( $index, $groups = [] ) {
+ $lb = MediaWikiServices::getInstance()->getDBLoadBalancer();
+
+ return $lb->getConnection( $index, $groups );
}
}