Gengliang Wang created SPARK-27040:
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Summary: Avoid using unnecessary JoinRow in FileFormat
Key: SPARK-27040
URL: https://issues.apache.org/jira/browse/SPARK-27040
Project: Spark
Issue Type: Task
Components: SQL
Affects Versions: 3.0.0
Reporter: Gengliang Wang
When reading files with empty partition columns, we can avoid using JoinRow.
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