mansipp commented on issue #14107:
URL: https://github.com/apache/hudi/issues/14107#issuecomment-3604648123

   > target_table and source_table should have different locations
   
   I expect the operation to fail if the target_table uses the same location as 
the source_table. 
   I’ll test this behavior, and if it doesn’t fail we can add a check to 
enforce different locations.
   
   > It should only be used on source_table that are base table, not the _ro 
_rt table
   
   Yes, as we discussed offline we need a way to prevent users from creating 
these tables manually.
   
   > When copying a MOR table, _ro / _rt table can be populated automatically
   
   The creation of ro/rt tables depends on the first insert/upsert operation. 
Without any data writes, these tables won’t appear. So we can initialize only 
the base table but not the ro/rt tables.


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