ayushtkn commented on code in PR #4738:
URL: https://github.com/apache/hive/pull/4738#discussion_r1371478590


##########
ql/src/java/org/apache/hadoop/hive/ql/exec/tez/ColumnarSplitSizeEstimator.java:
##########
@@ -35,6 +35,9 @@ public class ColumnarSplitSizeEstimator implements 
SplitSizeEstimator {
   @Override
   public long getEstimatedSize(InputSplit inputSplit) throws IOException {
     long colProjSize = inputSplit.getLength();
+    if (colProjSize == 0) {

Review Comment:
   I think that 0 things was explicitly added as part of 
https://issues.apache.org/jira/browse/HIVE-13821 for ACID



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