GitHub user RussellSpitzer opened a pull request:
https://github.com/apache/spark/pull/9369
SPARK-11415: Remove timezone shift of Catalyst DateType
Shifting the timestamp before calculating the days since epoch was
yielding off by one errors. Machines operating in different time zones
would also yeild different results. Treating the input to millisToDays
and daysToMillis as a straight UTC timestamp fixes this issue.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/RussellSpitzer/spark SPARK-11415
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/9369.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #9369
----
commit 53a6a14e58526b3f4f4160104be6f02c3751ecc5
Author: Russell Spitzer <russell.spit...@gmail.com>
Date: 2015-10-30T04:34:11Z
SPARK-11415: Remove timezone shift of Catalyst DateType
Shifting the timestamp before calculating the days since epoch was
yielding off by one errors. Machines operating in different time zones
would also yeild different results. Treating the input to millisToDays
and daysToMillis as a straight UTC timestamp fixes this issue.
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