[jira] [Assigned] (SPARK-35444) Improve createTable logic if table exists

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

     [ https://issues.apache.org/jira/browse/SPARK-35444?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-35444:
------------------------------------

    Assignee: Apache Spark

> Improve createTable logic if table exists
> -----------------------------------------
>
>                 Key: SPARK-35444
>                 URL: https://issues.apache.org/jira/browse/SPARK-35444
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: yikf
>            Assignee: Apache Spark
>            Priority: Major
>             Fix For: 3.0.0
>
>
> It should return directly if table exists and ignoreIfExists=true
>  
> current logic：
> {code:java}
> requireDbExists(db)
> if (tableExists(newTableDefinition.identifier)) {
>   if (!ignoreIfExists) {
>     throw new TableAlreadyExistsException(db = db, table = table)
>   }
> } else if (validateLocation) {
>   validateTableLocation(newTableDefinition)
> }
> externalCatalog.createTable(newTableDefinition, ignoreIfExists)
> {code}



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