Add elapsed time in update index command

docs/management/commands/update_index.py

@@ -1,23 +1,28 @@
+import time
+
 from django.core.management.base import BaseCommand
 from django.db import transaction
 
 from ...models import Document
 
 
 class Command(BaseCommand):
-    @transaction.atomic
+
     def handle(self, *args, **options):
         """
         Update Document's search vector field in an atomic transaction.
 
         Inside an atomic transaction all not null search vector values are set
         to null and than the field are updated using the document definition.
         """
-        Document.objects.search_reset()
-        updated_documents = Document.objects.search_update()
+        _started_at = time.time()
+        with transaction.atomic():
+            Document.objects.search_reset()
+            updated_documents = Document.objects.search_update()
+        elapsed = time.time() - _started_at
         if options["verbosity"] >= 2:
             self.stdout.write(
                 self.style.SUCCESS(
-                    f"Successfully indexed {updated_documents} documents."
+                    f"Indexed {updated_documents} documents in {elapsed:.03}s."
                 )
             )