mhilton opened a new pull request, #7729:
URL: https://github.com/apache/arrow-datafusion/pull/7729
## Which issue does this PR close?
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Closes #5976. N.B. this issue is already closed, but I don't think the issue
was completely fixed.
## Rationale for this change
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Elliding timezone information in these functions makes the data harder to
process downstream. It would have been sufficient for the purposes of not
losing information to normalize all timezones to "+00" (UTC), however if the
trouble has been taken to convert a time to a particular timezone it is
friendlier to preserve that.
## What changes are included in this PR?
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The result type of date_bin and date_trunc never includes any timezone
information. Change this such that the timezone of the resulting array from
these functions is copied from the input array.
## Are these changes tested?
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Yes
## Are there any user-facing changes?
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I don't think this would be considered user facing.
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