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Posted to issues@kylin.apache.org by "Yaguang Jia (Jira)" <ji...@apache.org> on 2023/02/09 08:19:00 UTC

[jira] [Updated] (KYLIN-5426) Exporting the table structure API has regressed after the spark3 upgrade

     [ https://issues.apache.org/jira/browse/KYLIN-5426?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yaguang Jia updated KYLIN-5426:
-------------------------------
    Description: 
After Kylin upgraded Spark3, {{ShowCreateTableCommand}} was changed to {{{}ShowCreateTableAsSerdeCommand{}}}. {{ShowCreateTableCommand}} has been changed to {{{}ShowCreateTableAsSerdeCommand{}}}.

{{ShowCreateTableAsSerdeCommand}} can only generate DDLs for Hive serde tables, while {{ShowCreateTableCommand}} shows the command that can be used to create the Spark DDL syntax for a given table, and for Hive serde tables, this command will generate Spark DDLs that can be be used to create the corresponding Spark table.

  was:
After Kylin upgraded Spark3, ShowCreateTableCommand was changed to ShowCreateTableAsSerdeCommand. ShowCreateTableCommand has been changed to ShowCreateTableAsSerdeCommand.

ShowCreateTableAsSerdeCommand can only generate DDLs for Hive serde tables, while ShowCreateTableCommand shows the command that can be used to create the Spark DDL syntax for a given table, and for Hive serde tables, this command will generate Spark DDLs that can be be used to create the corresponding Spark table.


> Exporting the table structure API has regressed after the spark3 upgrade
> ------------------------------------------------------------------------
>
>                 Key: KYLIN-5426
>                 URL: https://issues.apache.org/jira/browse/KYLIN-5426
>             Project: Kylin
>          Issue Type: Bug
>            Reporter: Yaguang Jia
>            Priority: Major
>
> After Kylin upgraded Spark3, {{ShowCreateTableCommand}} was changed to {{{}ShowCreateTableAsSerdeCommand{}}}. {{ShowCreateTableCommand}} has been changed to {{{}ShowCreateTableAsSerdeCommand{}}}.
> {{ShowCreateTableAsSerdeCommand}} can only generate DDLs for Hive serde tables, while {{ShowCreateTableCommand}} shows the command that can be used to create the Spark DDL syntax for a given table, and for Hive serde tables, this command will generate Spark DDLs that can be be used to create the corresponding Spark table.



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