GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/9728
[SPARK-11752][SQL] fix timezone problem for DateTimeUtils.getSeconds
code snippet to reproduce it:
```
TimeZone.setDefault(TimeZone.getTimeZone("Asia/Shanghai"))
val t = Timestamp.valueOf("1900-06-11 12:14:50.789")
val us = fromJavaTimestamp(t)
assert(getSeconds(us) === t.getSeconds)
```
it will be good to add a regression test for it, but the reproducing code
need to change the default timezone, and even we change it back, the `lazy val
defaultTimeZone` in `DataTimeUtils` is fixed.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark seconds
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/9728.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 #9728
----
commit afc966412f9ac13f79738e2747e434dd531c0674
Author: Wenchen Fan <[email protected]>
Date: 2015-11-16T06:20:32Z
fix timezone problem for getSeconds
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