From e521e4e402011592454be7c0320459daa73a5540 Mon Sep 17 00:00:00 2001
From: Michiel De Mey <de.mey.michiel@gmail.com>
Date: Sun, 15 Sep 2019 16:31:38 +0200
Subject: [PATCH] Support for GraphQL Interface type

---
 packages/ra-data-graphql-simple/src/buildGqlQuery.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/ra-data-graphql-simple/src/buildGqlQuery.js b/packages/ra-data-graphql-simple/src/buildGqlQuery.js
index 0f4fd044507..6a4cb115cf5 100644
--- a/packages/ra-data-graphql-simple/src/buildGqlQuery.js
+++ b/packages/ra-data-graphql-simple/src/buildGqlQuery.js
@@ -15,7 +15,7 @@ export const buildFields = (introspectionResults, path = []) => fields =>
             return acc;
         }
 
-        if (type.kind !== TypeKind.OBJECT) {
+        if (type.kind !== TypeKind.OBJECT && type.kind !== TypeKind.INTERFACE) {
             return [...acc, gqlTypes.field(gqlTypes.name(field.name))];
         }