Vihang Karajgaonkar created HIVE-17874:
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Summary: Parquet vectorization fails on tables with complex
columns when there are no projected columns
Key: HIVE-17874
URL: https://issues.apache.org/jira/browse/HIVE-17874
Project: Hive
Issue Type: Sub-task
Reporter: Vihang Karajgaonkar
Assignee: Vihang Karajgaonkar
When a parquet table contains an unsupported type like {{Map}}, {{LIST}} or
{{UNION}} simple queries like {{select count(*) from table}} fails with
{{unsupported type exception}} even though vectorized reader doesn't really
need read the complex type into batches.
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