GitHub user 10110346 opened a pull request:
https://github.com/apache/spark/pull/17997
[SPARK-20763][SQL]The function of `month` and `day` return an error value
## What changes were proposed in this pull request?
spark-sql>select month("1582-09-28");
spark-sql>10
spark-sql>select day("1582-04-18");
spark-sql>28
when the date before "1582-10-04", the function of `month` and `day`
return an error value.
## 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/17997.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 #17997
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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
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