[jira] [Assigned] (SPARK-26661) Show actual class name of the writing command in CTAS explain

["Apache Spark (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-26661?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-26661:
------------------------------------

    Assignee:     (was: Apache Spark)

> Show actual class name of the writing command in CTAS explain
> -------------------------------------------------------------
>
>                 Key: SPARK-26661
>                 URL: https://issues.apache.org/jira/browse/SPARK-26661
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Kris Mok
>            Priority: Trivial
>
> The explain output of the Hive CTAS command, regardless of whether it's actually writing via Hive's SerDe or converted into using Spark's data source, would always show that it's using {{InsertIntoHiveTable}} because it's hardcoded.
> e.g.
> {code:none}
> Execute OptimizedCreateHiveTableAsSelectCommand [Database:default, TableName: foo, InsertIntoHiveTable]
> {code}
> This CTAS is converted into using Spark's data source, but it still says {{InsertIntoHiveTable}} in the explain output.
> It's better to show the actual class name of the writing command used. For the example above, it'd be:
> {code:none}
> Execute OptimizedCreateHiveTableAsSelectCommand [Database:default, TableName: foo, InsertIntoHadoopFsRelationCommand]
> {code}



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