GitHub user clockfly opened a pull request:
https://github.com/apache/spark/pull/14754
[SPARK-17188][SQL] Moves class QuantileSummaries to project catalyst for
implementing percentile_approx
## What changes were proposed in this pull request?
This is a sub-task of SPARK-16283 (Implement percentile_approx SQL
function), which moves class QuantileSummaries to project catalyst so that it
can be reused when implementing aggregation function percentile_approx.
## How was this patch tested?
This PR only does class relocation, class implementation is not changed.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/clockfly/spark
move_QuantileSummaries_to_catalyst
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/14754.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 #14754
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commit 8ae3789e5dcf0be97848b6baf591ee5cf6f7f243
Author: Sean Zhong <[email protected]>
Date: 2016-08-22T16:44:06Z
move class QuantileSummaries to catalyst
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