[ 
https://issues.apache.org/jira/browse/SPARK-4353?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

DoingDone9 updated SPARK-4353:
------------------------------
    Description: 
"dbName" in Catalog never used, like that 
{
   val (dbName, tblName) = processDatabaseAndTableName(databaseName, tableName);
   tables -= tblName
}
I think it should be deleted,it should be "val tblName = 
processDatabaseAndTableName(databaseName, tableName)._2"

  was:
"dbName" in Catalog never used, like that 
{
   val (dbName, tblName) = processDatabaseAndTableName(databaseName, tableName)
   tables -= tblName
}
I think it should be deleted,it should be "val tblName = 
processDatabaseAndTableName(databaseName, tableName)._2"


> Delete the val that never used in Catalog
> -----------------------------------------
>
>                 Key: SPARK-4353
>                 URL: https://issues.apache.org/jira/browse/SPARK-4353
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: DoingDone9
>            Priority: Minor
>
> "dbName" in Catalog never used, like that 
> {
>    val (dbName, tblName) = processDatabaseAndTableName(databaseName, 
> tableName);
>    tables -= tblName
> }
> I think it should be deleted,it should be "val tblName = 
> processDatabaseAndTableName(databaseName, tableName)._2"



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