[jira] [Resolved] (SPARK-40797) Force grouped import onto single line with Scalafmt

["Hyukjin Kwon (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-40797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon resolved SPARK-40797.
----------------------------------
    Fix Version/s: 3.4.0
       Resolution: Fixed

Issue resolved by pull request 38252
[https://github.com/apache/spark/pull/38252]

> Force grouped import onto single line with Scalafmt
> ---------------------------------------------------
>
>                 Key: SPARK-40797
>                 URL: https://issues.apache.org/jira/browse/SPARK-40797
>             Project: Spark
>          Issue Type: Improvement
>          Components: Build
>    Affects Versions: 3.4.0
>            Reporter: Martin Grund
>            Assignee: Martin Grund
>            Priority: Major
>             Fix For: 3.4.0
>
>
> When using the scalafmt.conf file as provided by the project repository to organize and optimize imports there is a case in which un-desired behavior appears.
> If the import group does not fit on a single line, Scalafmt will by default try to bin-pack and then break out over mulitple lines.
> For example:
> import org.apache.spark.sql.catalyst.analysis.\{UnresolvedAlias, UnresolvedAttribute, UnresolvedFunction, UnresolvedRelation, UnresolvedStar}{{{}{}}}will become
> import org.apache.spark.sql.catalyst.analysis.\{
>   UnresolvedAlias,
>   UnresolvedAttributed,
>   ...
> }{{{}{}}}In previous code reviews this has been marked as departing from the consistency of the Spark code base even when using the provided scalafmt.conf.
>  
> Scalafmt allows to configure this by setting an option 
>  
> {code:java}
> importSelectors = "singleLine"{code}
>  



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