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https://issues.apache.org/jira/browse/PARQUET-1322?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vlad Rozov updated PARQUET-1322:
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Affects Version/s: 1.9.0
1.10.0
> Statistics is not available for DECIMAL types
> ---------------------------------------------
>
> Key: PARQUET-1322
> URL: https://issues.apache.org/jira/browse/PARQUET-1322
> Project: Parquet
> Issue Type: Bug
> Affects Versions: 1.9.0, 1.10.0
> Reporter: Vlad Rozov
> Priority: Critical
>
> 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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