Reuven Lax created BEAM-9442:
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Summary: Schema Select does not properly handle nested nullable
fields
Key: BEAM-9442
URL: https://issues.apache.org/jira/browse/BEAM-9442
Project: Beam
Issue Type: Sub-task
Components: sdk-java-harness
Reporter: Reuven Lax
A select of a nested field should be nullable if any of its parents are
nullable. So for example, a select of "a.b" should return a field named b that
is nullable if _either_ of a or b is nullable. Today we only examine b to see
if the selected fields should be nullable.
Also the Select transform itself does not properly check for null values, and
throws NullPointerExceptions when some row values are null.
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