GitHub user dongjoon-hyun opened a pull request:
https://github.com/apache/spark/pull/13774
[SPARK-16059][R] Add `monotonically_increasing_id` function in SparkR
## What changes were proposed in this pull request?
This PR adds `monotonically_increasing_id` column function in SparkR for
API parity.
After this PR, SparkR supports the followings.
```r
> df <- read.json("examples/src/main/resources/people.json")
> collect(select(df, monotonically_increasing_id(), df$name, df$age))
monotonically_increasing_id() name age
1 0 Michael NA
2 1 Andy 30
3 2 Justin 19
```
## How was this patch tested?
Pass the Jenkins tests (with added testcase).
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/dongjoon-hyun/spark SPARK-16059
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/13774.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 #13774
----
commit cb124e8b66d25d53f0b08e6f7ad1b72af9e379c4
Author: Dongjoon Hyun <dongj...@apache.org>
Date: 2016-06-19T19:27:44Z
[SPARK-16059][R] Add `monotonically_increasing_id` function in SparkR
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