From 37588c0ae5405906c4f53f2352b385e629360fb2 Mon Sep 17 00:00:00 2001
From: Martin Martinez Rivera <martinmr@dgraph.io>
Date: Mon, 13 Jul 2020 13:44:36 -0700
Subject: [PATCH] fix(dgraph): Fix segmentation fault in draft.go (#5798)
 (#5860)

Use the GetXXX methods of the generated protobufs to correctly handle
the case where no predicate hints are available.

Fixes DGRAPH-1753.
---
 worker/draft.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/worker/draft.go b/worker/draft.go
index d78be8d961d..77d62da41e5 100644
--- a/worker/draft.go
+++ b/worker/draft.go
@@ -394,7 +394,7 @@ func (n *node) applyMutations(ctx context.Context, proposal *pb.Proposal) (rerr
 	for attr, storageType := range schemaMap {
 		if _, err := schema.State().TypeOf(attr); err != nil {
 			hint := pb.Metadata_DEFAULT
-			if mutHint, ok := proposal.Mutations.Metadata.PredHints[attr]; ok {
+			if mutHint, ok := proposal.GetMutations().GetMetadata().GetPredHints()[attr]; ok {
 				hint = mutHint
 			}
 			if err := createSchema(attr, storageType, hint); err != nil {