Update Real-Time-Data-Fetch.md

cube-js · Oct 29, 2019 · d06b44c · d06b44c
1 parent ca05a05
commit d06b44c
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/docs/Cube.js-Backend/Real-Time-Data-Fetch.md b/docs/Cube.js-Backend/Real-Time-Data-Fetch.md
@@ -76,6 +76,10 @@ const Chart = ({ query }) => {
     return <pre>{error.toString()}</pre>;
   }
 
+  if (!resultSet) {
+    return null;
+  }
+
   return <LineChart resultSet={resultSet}/>;
 };
 ```