From 840e129c4496b4e8145480d2b3c3cb34f505702e Mon Sep 17 00:00:00 2001
From: Eugen Wissner <belka@caraus.de>
Date: Sat, 11 Jul 2020 06:34:10 +0200
Subject: Parse subscriptions

---
 src/Language/GraphQL/Execute.hs | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/Language/GraphQL/Execute.hs')

diff --git a/src/Language/GraphQL/Execute.hs b/src/Language/GraphQL/Execute.hs
index ff1078c..471cd00 100644
--- a/src/Language/GraphQL/Execute.hs
+++ b/src/Language/GraphQL/Execute.hs
@@ -1,3 +1,5 @@
+{-# LANGUAGE OverloadedStrings #-}
+
 -- | This module provides functions to execute a @GraphQL@ request.
 module Language.GraphQL.Execute
     ( execute
@@ -42,6 +44,8 @@ executeRequest (Transform.Document types' rootObjectType operation)
         executeOperation types' rootObjectType fields
     | (Transform.Mutation _ fields) <- operation =
         executeOperation types' rootObjectType fields
+    | otherwise =
+        pure $ singleError "This service does not support subscriptions."
 
 -- This is actually executeMutation, but we don't distinguish between queries
 -- and mutations yet.
-- 
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