Add the time taken even where there are no hits

core/db/__init__.py

@@ -195,10 +195,22 @@ class StorageBackend(ABC):
             message = f"Error: {response.info['error']['root_cause'][0]['type']}"
             message_class = "danger"
             return {"message": message, "class": message_class}
+        if "took" in response:
+            if response["took"] is None:
+                return None
         if len(response["hits"]["hits"]) == 0:
             message = "No results."
             message_class = "danger"
-            return {"message": message, "class": message_class}
+            time_took = (time.process_time() - start) * 1000
+            # Round to 3 significant figures
+            time_took_rounded = round(
+                time_took, 3 - int(floor(log10(abs(time_took)))) - 1
+            )
+            return {
+                "message": message,
+                "class": message_class,
+                "took": time_took_rounded,
+            }
 
         # For Druid
         if "error" in response:
@@ -210,9 +222,6 @@ class StorageBackend(ABC):
                 return context
             else:
                 return response
-        if "took" in response:
-            if response["took"] is None:
-                return None
 
         # Removed for now, no point given we have restricted indexes
         # self.filter_blacklisted(user, response)