Github user Ben-Zvi commented on the pull request:
https://github.com/apache/drill/commit/f911575abd9672866b39926a60c1731bbeee155f#commitcomment-27300995
In
exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/aggregate/HashAggTemplate.java:
In
exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/aggregate/HashAggTemplate.java
on line 527:
This change prevents an exception, but the next code line makes the same
call which would trigger this exception:
{code}
estBatchHolderValuesRowWidth += columnSize.getKnownSize();
{code}
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