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https://issues.apache.org/jira/browse/HIVE-4534?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jitendra Nath Pandey updated HIVE-4534:
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Summary: IsNotNull and NotCol incorrectly handle nulls. (was: IsNotNull
vectorized expression does not look at noNulls)
> IsNotNull and NotCol incorrectly handle nulls.
> ----------------------------------------------
>
> Key: HIVE-4534
> URL: https://issues.apache.org/jira/browse/HIVE-4534
> Project: Hive
> Issue Type: Sub-task
> Reporter: Eric Hanson
> Assignee: Jitendra Nath Pandey
>
> See file IsNotNull.java in package
> org.apache.hadoop.hive.ql.exec.vector.expressions
> It never looks at the noNulls flag on the input vector, but accesses the
> isNull[] array anyway. This can yield incorrect results.
> isRepeating and noNulls are not set in the output, which can also cause wrong
> results.
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