alamb opened a new pull request, #13203:
URL: https://github.com/apache/datafusion/pull/13203

   ## Which issue does this PR close?
   
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   Closes # https://github.com/apache/datafusion/issues/13202
   
   ## Rationale for this change
   See https://github.com/apache/datafusion/issues/13202
   
   
   
   ## What changes are included in this PR?
   1. Add `Clone` for other ExecutionPlans
   
   Note there are some ExecutionPlans that are not clonable (like 
`HashJoinExec`) because they have some shared state (a once_fut used to 
coordinate amongst threads). It was hard to see how to add Clone to those so I 
left it alone but left a comment for future readers
   
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   There is no need to duplicate the description in the issue here but it is 
sometimes worth providing a summary of the individual changes in this PR.
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   ## Are these changes tested?
   
   By existing CI tests
   
   ## Are there any user-facing changes?
   
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   If there are any breaking changes to public APIs, please add the `api 
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