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Posted to dev@parquet.apache.org by "Vlad Rozov (JIRA)" <ji...@apache.org> on 2018/06/10 17:20:00 UTC

[jira] [Created] (PARQUET-1322) Statistics is not available for DECIMAL types

Vlad Rozov created PARQUET-1322:
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             Summary: Statistics is not available for DECIMAL types
                 Key: PARQUET-1322
                 URL: https://issues.apache.org/jira/browse/PARQUET-1322
             Project: Parquet
          Issue Type: Bug
            Reporter: Vlad Rozov


According to parquet format specification columns annotated as DECIMAL should use SIGNED comparator and statistics should be available. The sort order returned by {{org.apache.parquet.format.converter.ParquetMetadataConverter}} for DECIMAL is {{SortOrder.UNKNOWN}} which contradicts the specification and makes statistics for DECIMAL types unavailable.



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