GitHub user viirya opened a pull request:
https://github.com/apache/spark/pull/11517
[SPARK-13674][SQL] Add wholestage codegen support to Sample
JIRA: https://issues.apache.org/jira/browse/SPARK-13674
## What changes were proposed in this pull request?
Sample operator doesn't support wholestage codegen now. This pr is to add
support to it.
## How was this patch tested?
A test is added into `BenchmarkWholeStageCodegen`. Besides, all tests
should be passed.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/viirya/spark-1 add-wholestage-sample
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/11517.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 #11517
----
commit f14393aa5c0f182ef4ab1621f41d92d45bcfa210
Author: Liang-Chi Hsieh <[email protected]>
Date: 2016-03-04T09:46:55Z
Init import for adding wholestage codegen support to Sample.
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