Herman van Hovell created SPARK-21629:
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Summary: OR nullability is incorrect
Key: SPARK-21629
URL: https://issues.apache.org/jira/browse/SPARK-21629
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.2.0, 2.1.1, 2.0.0
Reporter: Herman van Hovell
Priority: Minor
The SQL {{OR}} expression's nullability is slightly incorrect. It should only
be nullable when both of the input expressions are nullable, and not when
either of them is nullable.
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