Alexander Sterligov created HIVE-16768:
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Summary: NOT operator returns NULL from result of <=>
Key: HIVE-16768
URL: https://issues.apache.org/jira/browse/HIVE-16768
Project: Hive
Issue Type: Bug
Affects Versions: 2.1.1
Reporter: Alexander Sterligov
{{SELECT "foo" <=> null;}}
returns {{false}} as expected.
{{SELECT NOT("foo" <=> null);}}
returns NULL, but should return {{true}}.
Workaround is
{{SELECT NOT(COALESCE("foo" <=> null));}}
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