[incubator-skywalking-query-protocol] 10/33: Update topology.graphqls

[ywang]

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commit 200ea34500344dd8611ae3782329dc5eba55a825
Author: 吴晟 Wu Sheng <wu.sh...@foxmail.com>
AuthorDate: Thu Sep 6 22:53:36 2018 +0800

    Update topology.graphqls
    
    Require backend to return id of Call type.
---
 topology.graphqls | 1 +
 1 file changed, 1 insertion(+)

diff --git a/topology.graphqls b/topology.graphqls
index 49c0d06..4549e79 100644
--- a/topology.graphqls
+++ b/topology.graphqls
@@ -44,6 +44,7 @@ type Call {
     # The protocol and tech stack used in this distributed call
     callType: String!
     cpm: Long!
+    id: ID!
 }
 
 enum NodeType {