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From "Apache Spark (Jira)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-31372) Display expression schema for double checkout alias
Date Fri, 01 May 2020 11:44:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-31372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17097320#comment-17097320
] 

Apache Spark commented on SPARK-31372:
--------------------------------------

User 'beliefer' has created a pull request for this issue:
https://github.com/apache/spark/pull/28430

> Display expression schema for double checkout alias
> ---------------------------------------------------
>
>                 Key: SPARK-31372
>                 URL: https://issues.apache.org/jira/browse/SPARK-31372
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.1.0
>            Reporter: jiaan.geng
>            Assignee: jiaan.geng
>            Priority: Major
>             Fix For: 3.0.0
>
>
> Although SPARK-30184 Implement a helper method for aliasing functions, developers always
forget to using this improvement.
> We need to add more powerful guarantees so that aliases outputed by built-in functions
are correct.



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