GitHub user lw-lin opened a pull request:
https://github.com/apache/spark/pull/16731
[WIP][SPARK-][SQL] Add `approx_percentile` Dataframe API
## What changes were proposed in this pull request?
(Please fill in changes proposed in this fix)
## How was this patch tested?
(Please explain how this patch was tested. E.g. unit tests, integration
tests, manual tests)
(If this patch involves UI changes, please attach a screenshot; otherwise,
remove this)
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/lw-lin/spark approx-quantile
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16731.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 #16731
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commit 49fd2294801d1dde6fcc43cc7573bcf5928a8a50
Author: Liwei Lin <lwl...@gmail.com>
Date: 2017-01-28T12:46:46Z
Add `approx_percentile`
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