GitHub user scwf opened a pull request:
https://github.com/apache/spark/pull/4163
[SPARK-5367][SQL] Support star expression in udf
now spark sql does not support star expression in udf, run the following
sql by spark-sql will get error
```
select concat( * ) from src
```
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/scwf/spark udf-star
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/4163.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 #4163
----
commit eb93c1628247db169caa2581a61ac2a82cf5298d
Author: wangfei <[email protected]>
Date: 2015-01-22T09:26:35Z
fix star resolve issue in udf
commit 587bf7e951e0568f705200d452c7aa862ec6ef9d
Author: wangfei <[email protected]>
Date: 2015-01-22T09:28:21Z
compile fix
commit f87b5f90d53b93a8a6836ac9b007b8e24b1b5745
Author: scwf <[email protected]>
Date: 2015-01-22T15:32:42Z
added test case
commit da1da09f50b5adfed2965c892e9a00f792a63148
Author: scwf <[email protected]>
Date: 2015-01-22T15:33:43Z
minor fix
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