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Posted to github@arrow.apache.org by "viirya (via GitHub)" <gi...@apache.org> on 2023/06/12 22:15:59 UTC

[GitHub] [arrow-datafusion] viirya commented on issue #6653: `date_trunc` always returns `Timestamp(Nanosecond, None)` which might truncate ranges

viirya commented on issue #6653:
URL: https://github.com/apache/arrow-datafusion/issues/6653#issuecomment-1588182881

   > date_trunc(Timestamp(Second, ..)) --> Timestamp(Second, None)
   
   If `granularity` parameter is smaller than second, e.g. millisecond, or nanosecond, what is the expected behavior? Returns original input, or throws an error?


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