[jira] [Commented] (SPARK-15020) GROUP-BY should support Aliases

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-15020?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15264950#comment-15264950 ] 

Apache Spark commented on SPARK-15020:
--------------------------------------

User 'dongjoon-hyun' has created a pull request for this issue:
https://github.com/apache/spark/pull/12794

> GROUP-BY should support Aliases
> -------------------------------
>
>                 Key: SPARK-15020
>                 URL: https://issues.apache.org/jira/browse/SPARK-15020
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Dongjoon Hyun
>
> `GROUP-BY` clauses raise **AnalysisException** for aliases while `ORDER-BY` clauses support them correctly. This issue aims to support aliases in `GROUP-BY` clause.
> {code}
> scala> sql("select 1 a group by a").head
> org.apache.spark.sql.AnalysisException: cannot resolve '`a`' given input columns: []; line 1 pos 20
> scala> sql("select 1 a order by a").head
> res1: org.apache.spark.sql.Row = [1]
> {code}



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