[jira] [Resolved] (SPARK-31977) Returns the projected plan directly from NestedColumnAliasing

["Takeshi Yamamuro (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-31977?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Takeshi Yamamuro resolved SPARK-31977.
--------------------------------------
    Fix Version/s: 3.1.0
         Assignee: Hyukjin Kwon
       Resolution: Fixed

Resolved by https://github.com/apache/spark/pull/28812

> Returns the projected plan directly from NestedColumnAliasing
> -------------------------------------------------------------
>
>                 Key: SPARK-31977
>                 URL: https://issues.apache.org/jira/browse/SPARK-31977
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Hyukjin Kwon
>            Assignee: Hyukjin Kwon
>            Priority: Minor
>             Fix For: 3.1.0
>
>
> {{NestedColumnAliasing}} and {{GeneratorNestedColumnAliasing}} have a different usage pattern:
> {code}
>     case p @ NestedColumnAliasing(nestedFieldToAlias, attrToAliases) =>
>       NestedColumnAliasing.replaceToAliases(p, nestedFieldToAlias, attrToAliases)
> {code}
> vs
> {code}
>     case GeneratorNestedColumnAliasing(p) => p
> {code}
> It should be better to match it



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