yiqijiu commented on code in PR #5556:
URL: https://github.com/apache/hive/pull/5556#discussion_r1862043431


##########
ql/src/java/org/apache/hadoop/hive/ql/plan/Statistics.java:
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@@ -220,14 +220,14 @@ public Statistics clone() {
   }
 
   public void addBasicStats(Statistics stats) {
-    dataSize += stats.dataSize;
+    dataSize = StatsUtils.safeAdd(dataSize,stats.dataSize);

Review Comment:
   Thank you for your feedback, and I apologize for my oversight. I've been 
busy with work these past few days and forgot to check GitHub. I will make the 
changes right after I finish work.
   
   



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