GitHub user felixcheung opened a pull request:
https://github.com/apache/spark/pull/16708
[SPARK-19366][SQL] add getNumPartitions to Dataset
## What changes were proposed in this pull request?
As suggested by @cloud-fan
[here](https://github.com/apache/spark/pull/16668#discussion_r97254989), adding
a simple wrapper in Scala can help avoid inefficiency with non-JVM cases
## How was this patch tested?
unit tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/felixcheung/spark getnumpart
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16708.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 #16708
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commit 68cb3e2f92b1aaa14dddfcdb311a7d685d209e97
Author: Felix Cheung <[email protected]>
Date: 2017-01-26T06:03:43Z
add getNumPartitions and test
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