Server::executeBulkWriteCommand() always returns a BulkWriteCommandResult

Author: jmikola

Diff for: src/Client.php

@@ -202,7 +202,7 @@ final public function addSubscriber(Subscriber $subscriber): void
      * @throws DriverRuntimeException for other driver errors (e.g. connection errors)
      * @see ClientBulkWriteCommand::__construct() for supported options
      */
-    public function bulkWrite(BulkWriteCommand|ClientBulkWrite $bulk, array $options = []): ?BulkWriteCommandResult
+    public function bulkWrite(BulkWriteCommand|ClientBulkWrite $bulk, array $options = []): BulkWriteCommandResult
     {
         if (! isset($options['writeConcern']) && ! is_in_transaction($options)) {
             $options['writeConcern'] = $this->writeConcern;

Diff for: src/Operation/ClientBulkWriteCommand.php

@@ -78,7 +78,7 @@ public function __construct(private BulkWriteCommand $bulkWriteCommand, private
      * @throws UnsupportedException if write concern is used and unsupported
      * @throws DriverRuntimeException for other driver errors (e.g. connection errors)
      */
-    public function execute(Server $server): ?BulkWriteCommandResult
+    public function execute(Server $server): BulkWriteCommandResult
     {
         $inTransaction = isset($this->options['session']) && $this->options['session']->isInTransaction();
         if ($inTransaction && isset($this->options['writeConcern'])) {