Fix segmentation fault in query.go (#5377)

Use the GetUids function which handles the case where the pointer is nil correctly. Fixes DGRAPH-1342
hypermodeinc · May 7, 2020 · caf0af9 · caf0af9
1 parent 6bf1879
commit caf0af9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/query/query.go b/query/query.go
@@ -2014,7 +2014,7 @@ func ProcessGraph(ctx context.Context, sg, parent *SubGraph, rch chan error) {
 
 			curVal := types.Val{Tid: types.IntID, Value: int64(len(sg.DestUIDs.Uids))}
 			if types.CompareVals(sg.SrcFunc.Name, curVal, dst) {
-				sg.DestUIDs.Uids = sg.SrcUIDs.Uids
+				sg.DestUIDs.Uids = sg.SrcUIDs.GetUids()
 			} else {
 				sg.DestUIDs.Uids = nil
 			}