GitHub user rxin opened a pull request:
https://github.com/apache/spark/pull/16300
[SPARK-18892][SQL] Alias percentile_approx approx_percentile
## What changes were proposed in this pull request?
percentile_approx is the name used in Hive, and approx_percentile is the
name used in Presto. approx_percentile is actually more consistent with our
approx_count_distinct. Given the cost to alias SQL functions is low
(one-liner), it'd be better to just alias them so it is easier to use.
## How was this patch tested?
Technically I could add an end-to-end test to verify this one-line change,
but it seemed too trivial to me.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rxin/spark SPARK-18892
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16300.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 #16300
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commit 01dded0dc36a3ea1f178215d31e8659bafdb56ce
Author: Reynold Xin <r...@databricks.com>
Date: 2016-12-16T00:45:27Z
[SPARK-18892][SQL] Alias percentile_approx approx_percentile
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