[jira] [Resolved] (SPARK-14666) Using DISTINCT on a UDF (like CONCAT) is not supported

["Dominic Ricard (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-14666?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dominic Ricard resolved SPARK-14666.
------------------------------------
       Resolution: Fixed
    Fix Version/s: 2.0.0

> Using DISTINCT on a UDF (like CONCAT) is not supported
> ------------------------------------------------------
>
>                 Key: SPARK-14666
>                 URL: https://issues.apache.org/jira/browse/SPARK-14666
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 1.6.1
>            Reporter: Dominic Ricard
>            Priority: Minor
>             Fix For: 2.0.0
>
>
> The following query fails with:
> {noformat}
> Java::JavaSql::SQLException: org.apache.spark.sql.AnalysisException: cannot resolve 'column_1' given input columns: [_c0]; line # pos ##
> {noformat}
> Query:
> {noformat}
> select
>   distinct concat(column_1, ' : ', column_2)
> from
>   table
> order by
>   concat(column_1, ' : ', column_2);
> {noformat}



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