src/Rbac/Migrations/m170907_052038_rbac_add_index_on_auth_assignment_user_id.php
public function safeUp(ConnectionInterface $connection)
    {
        $authManager = $this->getAuthManager();
        return $this->createIndex($this->index, $authManager->assignmentTable, $this->column);
    }
public function safeUp(ConnectionInterface $connection)
    {
        $authManager = $this->getAuthManager();
        return $this->createIndex($this->index, $authManager->assignmentTable, $this->column);
    }
{@inheritdoc}