ulysses you created SPARK-29749:
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Summary: Add parquet scan Statistics
Key: SPARK-29749
URL: https://issues.apache.org/jira/browse/SPARK-29749
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 2.4.4
Reporter: ulysses you
With datasource v2, spark add a `SupportsReportStatistics` interface and now it
only implement in `FileScan` which looks like fallback plan.
Parquet api provide a possible that get file statistics without scan total
file, so we can use the more accurate statistics instead estimate.
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