Florian Jetter created ARROW-5889:
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Summary: [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
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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