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https://issues.apache.org/jira/browse/ARROW-5889?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16882093#comment-16882093
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Wes McKinney commented on ARROW-5889:
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This is being discussed on the Parquet mailing list, see
https://lists.apache.org/thread.html/08c8d89ea9ddefc7b83efdce823c0c71bf6ff5a0b863f436f6fab345@%3Cdev.parquet.apache.org%3E
> [Python][C++] Parquet backwards compat for timestamps without timezone broken
> -----------------------------------------------------------------------------
>
> Key: ARROW-5889
> URL: https://issues.apache.org/jira/browse/ARROW-5889
> Project: Apache Arrow
> Issue Type: Bug
> Affects Versions: 0.14.0
> Reporter: Florian Jetter
> Priority: Minor
> Fix For: 0.14.1
>
> Attachments: 0.12.1.parquet, 0.13.0.parquet
>
>
> When reading a parquet file which has timestamp fields they are read as a
> timestamp with timezone UTC if the parquet file was written by pyarrow 0.13.0
> and/or 0.12.1.
> Expected behavior would be that they are loaded as timestamps without any
> timezone information.
> The attached files contain one row for all basic types and a few nested
> types, the timestamp fields are called datetime64 and datetime64_tz
> see also
> [https://github.com/JDASoftwareGroup/kartothek/tree/master/reference-data/arrow-compat]
> [https://github.com/JDASoftwareGroup/kartothek/blob/c47e52116e2dc726a74d7d6b97922a0252722ed0/tests/serialization/test_arrow_compat.py#L31]
>
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