[jira] [Resolved] (SPARK-34335) Support referencing subquery with column aliases by table alias

["Wenchen Fan (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-34335?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan resolved SPARK-34335.
---------------------------------
    Fix Version/s: 3.2.0
       Resolution: Fixed

Issue resolved by pull request 31444
[https://github.com/apache/spark/pull/31444]

> Support referencing subquery with column aliases by table alias
> ---------------------------------------------------------------
>
>                 Key: SPARK-34335
>                 URL: https://issues.apache.org/jira/browse/SPARK-34335
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.1.2
>            Reporter: Allison Wang
>            Assignee: Allison Wang
>            Priority: Major
>             Fix For: 3.2.0
>
>
> Allow referencing subquery with column aliases by table alias. For example
> {code:sql}
> -- This is supported
> SELECT t.c1, t.c2 FROM (SELECT 1 AS c1, 1 AS c2) t
> -- AnalysisException: cannot resolve '`t.c1`' given input columns: [c1, c2];
> SELECT t.c1, t.c2 FROM (SELECT 1 AS a, 1 AS b) t(c1, c2)
> {code}



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