GitHub user petermaxlee opened a pull request:
https://github.com/apache/spark/pull/15123
[SPARK-17551][SQL] Add DataFrame API for null ordering
## What changes were proposed in this pull request?
This pull request adds Scala/Java DataFrame API for null ordering (NULLS
FIRST | LAST).
## How was this patch tested?
Added a new test case in DataFrameSuite.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/petermaxlee/spark SPARK-17551
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15123.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 #15123
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commit 69a9d8aacb3832f3e346a7b9dbb13dc522e4dc68
Author: Xin Wu <[email protected]>
Date: 2016-09-15T04:12:43Z
complete the NULL ordering support in DataFrame APIs
commit 90af6b87d6b677cd9b957c2faa18520e005d6001
Author: petermaxlee <[email protected]>
Date: 2016-09-17T00:26:06Z
Merge pull request #15107 from xwu0226/null_order
[SPARK-17551][SQL] complete the NULL ordering support in DataFrame APIs
commit 02f5edf207e2d545a23f7c33d4f19ce8fc880041
Author: petermaxlee <[email protected]>
Date: 2016-09-17T00:58:11Z
Updated.
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