Liang-Chi Hsieh created SPARK-6037:
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             Summary: Avoiding duplicate Parquet schema merging
                 Key: SPARK-6037
                 URL: https://issues.apache.org/jira/browse/SPARK-6037
             Project: Spark
          Issue Type: Improvement
          Components: SQL
            Reporter: Liang-Chi Hsieh
            Priority: Minor


FilteringParquetRowInputFormat manually merges Parquet schemas before computing 
splits. However, it is duplicate because the schemas are already merged in 
ParquetRelation2. We don't need to re-merge them at InputFormat.



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