From d8c0018856bdf9ece54a295aa4b84b8a512e03cb Mon Sep 17 00:00:00 2001
From: sunli <scott_s829@163.com>
Date: Tue, 10 Mar 2020 15:17:01 +0800
Subject: [PATCH] Update visitor.rs

---
 src/validation/visitor.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/validation/visitor.rs b/src/validation/visitor.rs
index 85d106ae..fdb8fa58 100644
--- a/src/validation/visitor.rs
+++ b/src/validation/visitor.rs
@@ -376,6 +376,15 @@ fn visit_selection<'a, V: Visitor<'a>>(
                         visit_field(v, ctx, field);
                     },
                 );
+            } else {
+                ctx.report_error(
+                    vec![field.position],
+                    format!(
+                        "Cannot query field \"{}\" on type \"{}\".",
+                        field.name,
+                        ctx.current_type().name()
+                    ),
+                );
             }
         }
         Selection::FragmentSpread(fragment_spread) => {