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From "Xiao Li (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-16046) Add Aggregations Section to Spark SQL programming guide
Date Wed, 25 Jan 2017 06:18:26 GMT

     [ https://issues.apache.org/jira/browse/SPARK-16046?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Xiao Li updated SPARK-16046:
----------------------------
    Summary: Add Aggregations Section to Spark SQL programming guide  (was: Add examples of
aggregates)

> Add Aggregations Section to Spark SQL programming guide
> -------------------------------------------------------
>
>                 Key: SPARK-16046
>                 URL: https://issues.apache.org/jira/browse/SPARK-16046
>             Project: Spark
>          Issue Type: Documentation
>          Components: Documentation, SQL
>    Affects Versions: 2.0.0
>            Reporter: Pedro Rodriguez
>             Fix For: 2.1.1, 2.2.0
>
>
> - A separate subsection for Aggregations under “Getting Started” in the Spark SQL
programming guide. It mentions which aggregate functions are predefined and how users can
create their own.
> - Examples of using the UserDefinedAggregateFunction abstract class for untyped aggregations
in Java and Scala.
> - Examples of using the Aggregator abstract class for type-safe aggregations in Java
and Scala.



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