GitHub user zhaorongsheng opened a pull request:
https://github.com/apache/spark/pull/17350
[SPARK-20017][SQL] change the nullability of function 'StringToMap' from
'false' to 'true'
## What changes were proposed in this pull request?
Change the nullability of function `StringToMap` from `false` to `true`.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zhaorongsheng/spark bug-fix_strToMap_NPE
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17350.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 #17350
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commit d4bb1583650e44e556bf06d1503355d7529e1ac6
Author: zhaorongsheng <334362...@qq.com>
Date: 2017-03-18T16:03:34Z
Merge remote-tracking branch 'upstream/master' into master_git
commit ee2d7e6aee4248cec124457b5b03da5aa790c984
Author: zhaorongsheng <334362...@qq.com>
Date: 2017-03-19T15:48:15Z
SPARK-20017 change the nullability of 'StringToMap'
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