[GitHub] [arrow-datafusion] marshauf commented on issue #6518: Async User Defined Functions (UDF)

["marshauf (via GitHub)" <gi...@apache.org>]

marshauf commented on issue #6518:
URL: https://github.com/apache/arrow-datafusion/issues/6518#issuecomment-1572646405

   My idea was to do something likes this:
   ```sql
   SELECT call('localhost:3000', num, letter FROM (SELECT * FROM (VALUES (1, 'one'), (2, 'two'), (3, 'three')) AS t (num,letter))
   ```
   
   It would probably work with your example.
   ```sql
   CREATE EXTERNAL TABLE your_table STORED AS CSV WITH HEADER ROW LOCATION 'localhost:3000';
   INSERT INTO your_table SELECT * FROM (VALUES (1, 'one'), (2, 'two'), (3, 'three')) AS t (num,letter);
   SELECT * FROM your_table;
   ```
   And on insert call endpoint and store returned value. Seems cumbersome to use and implement.


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