mdayakar commented on code in PR #5433:
URL: https://github.com/apache/hive/pull/5433#discussion_r1768132603
##########
ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/StringGroupConcatColCol.java:
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@@ -320,7 +320,8 @@ public void evaluate(VectorizedRowBatch batch) throws
HiveException {
/*
* Do careful maintenance of the outputColVector.noNulls flag.
*/
-
+ // propagate not nulls flag.
+ outV.noNulls = true;
Review Comment:
@maheshrajus this assignment was there earlier and got removed as a part of
[HIVE-18622](https://issues.apache.org/jira/browse/HIVE-18622). Now you are
adding it again so please check carefully why it was removed as a part of
[HIVE-18622](https://issues.apache.org/jira/browse/HIVE-18622).
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