askalt opened a new issue, #12120:
URL: https://github.com/apache/datafusion/issues/12120

   ### Is your feature request related to a problem or challenge?
   
   I use the implementation of several TableProviders that allow for concurrent 
modification of the logical plan they store. A bit of context: this is 
necessary for implementing mutable views. Several views depend on view A and 
have TableProvider(A) in their logical plan. Then, when view A is modified, the 
logical plan for it is updated via some synchronization primitive, so all 
dependent views see the updated plan.
   
   I would like the plans for the views to be inlined during the optimization 
phase in my implementation. However, the current TableProvider API forces me to 
return a shared reference to the internal logical plan for inlining, even 
though a copy would suffice. 
   
   I propose adding a `get_logical_plan_cloned(...)` method to the 
TableProvider trait, which would be used by passes that don't require a shared 
reference to the internal logical plan.
   
   ### Describe the solution you'd like
   
   _No response_
   
   ### Describe alternatives you've considered
   
   _No response_
   
   ### Additional context
   
   _No response_


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