apache / apache/parquet-java

existing column statistics can be missed

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Component: Parquet Priority: Major Type: bug
Dominant language
Java
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Description

MakeTypedColumnStats returns min/max statistics guided by column order:

if TYPE_DEFINED_ORDER - min_value/max_value, and min/max otherwise.

correct behavior should be based on __isset flag.

**Reporter**: [Renat Valiullin](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=rip.nsk@gmail.com) / @rip-nsk
#### PRs and other links:
- [GitHub Pull Request #36814](https://github.com/apache/arrow/pull/36814)

**Note**: *This issue was originally created as [PARQUET-2327](https://issues.apache.org/jira/browse/PARQUET-2327). Please see the [migration documentation](https://issues.apache.org/jira/browse/PARQUET-2502) for further details.*

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