[jira] [Resolved] (SPARK-34636) sql method in UnresolvedAttribute, AttributeReference and Alias don't quote qualified names properly.

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

     [ https://issues.apache.org/jira/browse/SPARK-34636?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan resolved SPARK-34636.
---------------------------------
    Fix Version/s: 3.2.0
       Resolution: Fixed

Issue resolved by pull request 31754
[https://github.com/apache/spark/pull/31754]

> sql method in UnresolvedAttribute, AttributeReference and Alias don't quote qualified names properly.
> -----------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-34636
>                 URL: https://issues.apache.org/jira/browse/SPARK-34636
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 3.0.2, 3.2.0, 3.1.1
>            Reporter: Kousuke Saruta
>            Assignee: Kousuke Saruta
>            Priority: Major
>             Fix For: 3.2.0
>
>
> UnresolvedReference, AttributeReference and Alias which take qualifier don't quote qualified names properly.
> One instance is reported in SPARK-34626.
> Other instances are like as follows.
> {code}
> UnresolvedAttribute("a`b"::"c.d"::Nil).sql
> a`b.`c.d` // expected: `a``b`.`c.d`
> AttributeReference("a.b", IntegerType)(qualifier = "c.d"::Nil).sql
> c.d.`a.b` // expected: `c.d`.`a.b`
> Alias(AttributeReference("a", IntegerType)(), "b.c")(qualifier = "d.e"::Nil).sql
> `a` AS d.e.`b.c` // expected: `a` AS `d.e`.`b.c`
> {code}



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