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https://issues.apache.org/jira/browse/SPARK-31204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17063434#comment-17063434
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Terry Kim commented on SPARK-31204:
-----------------------------------
Yes, I will take a look.
> HiveResult compatibility for DatasourceV2 command
> -------------------------------------------------
>
> Key: SPARK-31204
> URL: https://issues.apache.org/jira/browse/SPARK-31204
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Juliusz Sompolski
> Priority: Major
>
> HiveResult performs some compatibility matches and conversions for commands
> to be compatible with Hive output, e.g.:
> {code}
> case ExecutedCommandExec(_: DescribeCommandBase) =>
> // If it is a describe command for a Hive table, we want to have the
> output format
> // be similar with Hive.
> ...
> // SHOW TABLES in Hive only output table names, while ours output
> database, table name, isTemp.
> case command @ ExecutedCommandExec(s: ShowTablesCommand) if !s.isExtended
> =>
> {code}
> It is needed for DatasourceV2 commands as well (eg. ShowTablesExec...).
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