jiacai2050 commented on issue #4697:
URL: 
https://github.com/apache/arrow-datafusion/issues/4697#issuecomment-1378472826

   > If a table appears multiple times in the same query, it will call 
ContextProvider::get_table_provider multiple times, and obtain potentially 
different Arc<dyn TableSource> for the same table.
   
   For query with only one table, perhaps we can add a cache to prevent this 
multiple get issue? 


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