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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/09/04 10:58:45 UTC

[jira] [Assigned] (SPARK-10437) Support aggregation expressions in Order By

     [ https://issues.apache.org/jira/browse/SPARK-10437?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-10437:
------------------------------------

    Assignee: Apache Spark

> Support aggregation expressions in Order By
> -------------------------------------------
>
>                 Key: SPARK-10437
>                 URL: https://issues.apache.org/jira/browse/SPARK-10437
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Harish Butani
>            Assignee: Apache Spark
>
> Followup on SPARK-6583
> The following still fails. 
> {code}
> val df = sqlContext.read.json("examples/src/main/resources/people.json")
> df.registerTempTable("t")
> val df2 = sqlContext.sql("select age, count(*) from t group by age order by count(*)")
> df2.show()
> {code}
> {code:title=StackTrace}
> Caused by: org.apache.spark.sql.catalyst.errors.package$TreeNodeException: No function to evaluate expression. type: Count, tree: COUNT(1)
> 	at org.apache.spark.sql.catalyst.expressions.AggregateExpression.eval(aggregates.scala:41)
> 	at org.apache.spark.sql.catalyst.expressions.RowOrdering.compare(rows.scala:219)
> {code}
> In 1.4 the issue seemed to be BindReferences.bindReference didn't handle this case.
> Haven't looked at 1.5 code, but don't see a change to bindReference in this patch.



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