GitHub user huaxingao opened a pull request:
https://github.com/apache/spark/pull/21244
[SPARK-24815]add flatten function to SparkR
## What changes were proposed in this pull request?
add array flatten function to SparkR
## How was this patch tested?
Unit tests were added in R/pkg/tests/fulltests/test_sparkSQL.R
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/huaxingao/spark spark-24185
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/21244.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 #21244
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commit bfccf18b6df0b6a25674001b0fe13c7bc289b806
Author: Huaxin Gao <huaxing@...>
Date: 2018-05-04T23:55:20Z
[SPARK-24815]add flatten function to SparkR
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