Davies Liu created SPARK-14092:
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Summary: Performance regression when aggregation on parquet scan
Key: SPARK-14092
URL: https://issues.apache.org/jira/browse/SPARK-14092
Project: Spark
Issue Type: Bug
Components: SQL
Reporter: Davies Liu
SPARK-13404 introduce some performance regression when do simple aggregation
(sum) on parquet scan (single integer column)
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