GitHub user goungoun opened a pull request:
https://github.com/apache/spark/pull/20800
isEmpty in Dataset and its testSuite
## What changes were proposed in this pull request?
This PR adds isEmpty() in DataSet
## How was this patch tested?
Unit tests added
Please review http://spark.apache.org/contributing.html before opening a
pull request.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/goungoun/spark SPARK-23627
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/20800.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 #20800
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commit d3fc620e49ae07f6ebc0ee20976c12da49f2e0af
Author: Goun Na <gounna@...>
Date: 2018-03-12T02:57:19Z
isEmpty in Dataset and its testSuite
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