AndrewKL opened a new pull request #26740: [SPARK-30053][SQL] Add the ability 
for v2 datasource so specify a vacuum action on the table
URL: https://github.com/apache/spark/pull/26740
 
 
   
https://issues.apache.org/jira/browse/SPARK-30053?page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel&focusedCommentId=16985760
   
   
   ### What changes were proposed in this pull request?
   
   This cr includes a new api so that users of the V2 Datasource api can 
specify an action to take when a user types in the 'Vacuum {table}' command.  
This is commonly used to remove deleted records and optimize the table.
   
   
   ### Why are the changes needed?
   
   There is currently no way for users to create this type of behavior in SQL
   
   ### Does this PR introduce any user-facing change?
   
   Yes this includes a new public but experimental API
   
   ### How was this patch tested?
    Unit tests.
   

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