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Posted to dev@parquet.apache.org by "Yang Jie (Jira)" <ji...@apache.org> on 2021/01/27 06:02:00 UTC

[jira] [Created] (PARQUET-1965) ParquetRecordReader support building ParquetFileReader using incoming Footer

Yang Jie created PARQUET-1965:
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             Summary: ParquetRecordReader support building ParquetFileReader using incoming Footer
                 Key: PARQUET-1965
                 URL: https://issues.apache.org/jira/browse/PARQUET-1965
             Project: Parquet
          Issue Type: Improvement
            Reporter: Yang Jie


SPARK-33449 discusses adding file meta cache mechanism for Spark SQL to reduce data reading and speed up query.

For the scenarios that need to use ParquetRecordReader, we hope to add an interface to support passing an existing footer to ParquetRecordReader and use this instance to build ParquetFileReader.



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