GitHub user davies opened a pull request:
https://github.com/apache/spark/pull/13793
[SPARK-16086] [SQL] fix Python UDF without arguments (for 1.6)
## What changes were proposed in this pull request?
Fix the bug for Python UDF that does not have any arguments.
## How was this patch tested?
Added regression tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/davies/spark fix_no_arguments
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/13793.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 #13793
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commit 7d7fec7796aec1999c7218189380262c1520ca51
Author: Davies Liu <[email protected]>
Date: 2016-06-20T23:50:05Z
fix Python UDF without arguments
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