fix(dgraph): Panic because of nil map in groups.go (#5999) (#6008)

Fixes DGRAPH-1935 (cherry picked from commit 3c46878) Co-authored-by: Rahul Gurnani <rahulgurnani09@gmail.com>
dgraph-io · Jul 15, 2020 · 708d3e7 · 708d3e7
1 parent 7c54bd9
commit 708d3e7
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/worker/groups.go b/worker/groups.go
@@ -953,6 +953,9 @@ func (g *groupi) processOracleDeltaStream() {
 						return
 					}
 					batch++
+					if delta.GroupChecksums == nil {
+						delta.GroupChecksums = make(map[uint32]uint64)
+					}
 					delta.Txns = append(delta.Txns, more.Txns...)
 					delta.MaxAssigned = x.Max(delta.MaxAssigned, more.MaxAssigned)
 					for gid, checksum := range more.GroupChecksums {