[GitHub] [arrow-datafusion] a-agmon commented on issue #1396: Caching datasets in context [Question]

[GitBox <gi...@apache.org>]

a-agmon commented on issue #1396:
URL: https://github.com/apache/arrow-datafusion/issues/1396#issuecomment-986053653


   > I suspect it is also possible perhaps to use `CREATE TABLE AS SELECT` for this purpose
   > 
   > Something like
   > 
   > ```shell
   > echo  "1" > /tmp/foo.csv
   > datafusion-cli
   > ```
   > 
   >  ```sql
   > create external table foo(c1 int) stored as CSV location '/tmp/foo.csv';
   > 
   > create table bar as select * from foo;
   > ```
   
   Thanks @alamb 
   But would it be saved or cached in mem for subsequent access? 


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