Jitendra Nath Pandey created HIVE-4575:
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Summary: In place filtering in Not Filter doesn't handle nulls
correctly.
Key: HIVE-4575
URL: https://issues.apache.org/jira/browse/HIVE-4575
Project: Hive
Issue Type: Sub-task
Reporter: Jitendra Nath Pandey
Assignee: Jitendra Nath Pandey
The FilterNotExpr evaluates the child expression and takes the compliment of
the selected vector. Since child expression filters out null values, the
compliment includes the nulls in the output. This is incorrect because
not(null) = null.
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