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https://issues.apache.org/jira/browse/ARROW-5712?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16871509#comment-16871509
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Wes McKinney commented on ARROW-5712:
-------------------------------------
This appears to only be an issue with the {{converted_type}} in the statistics.
Since the LogicalType refactor it seems only safe to use {{LogicalType}}
(formerly LogicalAnnotation) in the public API
> [C++][Python] Write Arrow time32 millis and time64 micros faithfully to
> Parquet format
> --------------------------------------------------------------------------------------
>
> Key: ARROW-5712
> URL: https://issues.apache.org/jira/browse/ARROW-5712
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++, Python
> Reporter: Wes McKinney
> Priority: Major
> Fix For: 1.0.0
>
>
> These values are currently being written as raw INT32 without a logical or
> converted type set
> Example statistics for {{time32('ms')}} with {{version='2.0'}} set
> {code}
> (Pdb) stats
> <pyarrow._parquet.Statistics object at 0x7f6a9dca9f30>
> has_min_max: True
> min: 37800001
> max: 55800001
> null_count: 0
> distinct_count: 0
> num_values: 2
> converted_type: NONE
> physical_type: INT32
> {code}
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