Daniel Barclay (Drill) created DRILL-4045:
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Summary: FLATTEN case in testNestedFlatten yields no rows (test
didn't detect)
Key: DRILL-4045
URL: https://issues.apache.org/jira/browse/DRILL-4045
Project: Apache Drill
Issue Type: Bug
Components: Execution - Relational Operators
Reporter: Daniel Barclay (Drill)
The case of using {{FLATTEN}} on nested lists appearing in
{{TestComplexTypeReader.testNestedFlatten()}} yields no rows.
Part of the problem is that in the code generated by {{FlattenRecordBatch}},
the methods are empty.
(That test method doesn't check the results, so, previous to DRILL-2288 work,
the problem was not detected.
However, with DRILL-2288 fixes, the flatten problem causes an
{{IllegalArgumentException}} (logically, an assertion exception) in
RecordBatchLoader, so the test is being disabled (with @Ignore) as part of
DRILL-2288.)
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