[jira] [Resolved] (SPARK-17188) Moves QuantileSummaries to project catalyst from sql so that it can be used to implement percentile_approx

["Wenchen Fan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-17188?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan resolved SPARK-17188.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 2.1.0

Issue resolved by pull request 14754
[https://github.com/apache/spark/pull/14754]

> Moves QuantileSummaries to project catalyst from sql so that it can be used to implement percentile_approx
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-17188
>                 URL: https://issues.apache.org/jira/browse/SPARK-17188
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>            Reporter: Sean Zhong
>             Fix For: 2.1.0
>
>
> QuantileSummaries is a useful utility class to do statistics. It can be used by aggregation function like percentile_approx.
> Currently, QuantileSummaries is located at project catalyst in package org.apache.spark.sql.execution.stat, probably, we should move it to project catalyst package org.apache.spark.sql.util.



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