GitHub user scwf opened a pull request:
https://github.com/apache/spark/pull/4186
[SPARK-5383][SQL] Support alias for udtfs
Add support for alias of udtfs, such as
```
select stack(2, key, value, key, value) as (a, b) from src limit 5;
select a, b from (select stack(2, key, value, key, value) as (a, b) from
src) t limit 5
```
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/scwf/spark multi-alias-names
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/4186.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 #4186
----
commit 3daec28453a400f1057abce622649ff930f931c6
Author: scwf <[email protected]>
Date: 2015-01-24T14:22:12Z
support alias for udfs with multi output columns
commit 5bc3f597cce88c6971336542f3cf6836cafb0d78
Author: scwf <[email protected]>
Date: 2015-01-24T14:25:38Z
style fix
----
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