GitHub user 10110346 opened a pull request:
https://github.com/apache/spark/pull/17880
[SPARK-20620][TEST]Add some unit tests into NullExpressionsSuite
## What changes were proposed in this pull request?
1.add more datatype for exist unit
2.add new unit tests for other funtions
## How was this patch tested?
add new unit tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/10110346/spark wip_lx_0506
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17880.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 #17880
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commit f08f63dc19a2c12cee07198c7968a9be51a95360
Author: liuxian <[email protected]>
Date: 2017-05-06T08:05:46Z
Add some unit tests into NullExpressionsSuite
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