GitHub user jiangxb1987 opened a pull request:
https://github.com/apache/spark/pull/14136
[SPARK-16282][SQL] Implement percentile SQL function.
## What changes were proposed in this pull request?
Implement percentile SQL function. It computes the exact percentile(s) of
expr at pc with range in [0, 1].
## How was this patch tested?
Added new testcases in DataFrameAggregateSuite.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jiangxb1987/spark percentile
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/14136.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 #14136
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commit 1ae3df7463f36ac15c4cb3138bec3bade7eae600
Author: èæå <jiangxin...@meituan.com>
Date: 2016-07-11T11:11:26Z
[SPARK-16282][SQL] Implement percentile SQL function.
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