GitHub user 10110346 opened a pull request:
https://github.com/apache/spark/pull/18053
[SPARK-20763][SQL][Backport-2.1] The function of `month` and `day` return
the value which is not we expected.
## What changes were proposed in this pull request?
This PR is to backport #17997 to Spark 2.1
when the date before "1582-10-04", the function of month and day return the
value which is not we expected.
How was this patch tested?
unit tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/10110346/spark wip_lx_0516
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/18053.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 #18053
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commit 7d6385fdcb83bca1de05ee9bb7fd751082f3fa3c
Author: liuxian <liu.xi...@zte.com.cn>
Date: 2017-05-16T09:13:59Z
The function of `month` and `day` return an error value
commit 3430e94685025b80d112bac217522988ff904a11
Author: liuxian <liu.xi...@zte.com.cn>
Date: 2017-05-16T10:55:29Z
Fix:add unit test cases
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