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Posted to issues@spark.apache.org by "Hyukjin Kwon (Jira)" <ji...@apache.org> on 2020/03/17 01:45:00 UTC
[jira] [Assigned] (SPARK-30569) Add DSL functions invoking
percentile_approx
[ https://issues.apache.org/jira/browse/SPARK-30569?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyukjin Kwon reassigned SPARK-30569:
------------------------------------
Assignee: Maciej Szymkiewicz
> Add DSL functions invoking percentile_approx
> --------------------------------------------
>
> Key: SPARK-30569
> URL: https://issues.apache.org/jira/browse/SPARK-30569
> Project: Spark
> Issue Type: Improvement
> Components: PySpark, SQL
> Affects Versions: 3.1.0
> Reporter: Maciej Szymkiewicz
> Assignee: Maciej Szymkiewicz
> Priority: Major
>
> Since 2.1 (SPARK-16283) Spark provides {{percentile_approx}} SQL function, however it is not exposed through DSL, with exception to `DataFrameStatFunctions.approxQuantile` (which is eager and doesn't support grouping).
> It would be useful to have it exposed through {{o.a.s.sql.functions}} / {{pyspark.sql.functions}}.
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