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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/06/14 08:07:08 UTC

[GitHub] [arrow-rs] nevi-me commented on issue #455: Not able to read nano-second timestamp columns in 1.0 parquet files written by pyarrow

nevi-me commented on issue #455:
URL: https://github.com/apache/arrow-rs/issues/455#issuecomment-860299977


   I'd have expected the ns timestamp to be written to `int96` as that is the legacy nanosecond timestamp format. I'll also dig into this to see, maybe if the format is `1.0` then we should coerce the timestamp to a different resolution, but I'd also see this as a pyarrow quirk that could be documented somewhere.
   
   @emkornfield do you know what we should do on the Rust side to roundtrip the file correctly?


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