kv: use last range if streaming response does not contain a range ent…

…ry (#13062) (#13254)
pingcap · Nov 12, 2019 · b2e8afa · b2e8afa
1 parent 64de8d5
commit b2e8afa
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/store/tikv/coprocessor.go b/store/tikv/coprocessor.go
@@ -779,7 +779,9 @@ func (worker *copIteratorWorker) handleCopStreamResult(bo *Backoffer, rpcCtx *RP
 			logutil.Logger(context.Background()).Info("stream recv timeout", zap.Error(err))
 			return worker.buildCopTasksFromRemain(bo, lastRange, task)
 		}
-		lastRange = resp.Range
+		if resp.Range != nil {
+			lastRange = resp.Range
+		}
 	}
 }