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From BryanCutler <>
Subject [GitHub] spark issue #18664: [SPARK-21375][PYSPARK][SQL][WIP] Add Date and Timestamp ...
Date Mon, 31 Jul 2017 18:13:19 GMT
Github user BryanCutler commented on the issue:
    The root of the problem is that `SESSION_LOCAL_TIMEZONE` is not used in `toInternal`/`fromInternal`
in the timestamp type [here](
 It's the same issue in Scala with the Timestamp encoder that uses `DateTimeUtils.fromJavaTimestamp`/`toJavaTimestamp`.
 Fixing these is well beyond the scope of this PR, is it planned to be fixed elsewhere?
    Given that this will cause problems with importing/exporting Arrow data, and that is a
big part of the use case for Arrow, what exactly is using `SESSION_LOCAL_TIMEZONE` going to
help with until the above is fixed?  I'm fine with putting in the PR from @ueshin if that
is what everyone prefers, but I just want to understand a little more about the intent.

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