a-agmon opened a new issue, #7429:
URL: https://github.com/apache/arrow-datafusion/issues/7429

   I have a service that registers a table based on parquet files on S3, and 
then creates a mem table on top of it in order to enable fast access. 
   `CREATE mem_table as SELECT * FROM s3_parquet_table`
   
   My question is how to refresh the data while its being actively queried - 
perhaps by other threads?
   Will running the DDL above safely lock the table until its refreshed? Will 
it fail incoming SQL queries? 
   
   


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