Jefffrey commented on issue #2547:
URL: https://github.com/apache/datafusion/issues/2547#issuecomment-3650177663

   Actually thinking about it more, perhaps this is related to:
   
   - https://github.com/apache/datafusion/issues/2548
   
   In that these SQLs are equivalent:
   
   ```sql
   SELECT 1 = ALL(ARRAY[1,1,1,1]);
   SELECT NOT (1 <> ANY(ARRAY[1,2,3,4]))
   ```
   
   So maybe we'd extend `array_has` to support `!=`/`<>` and then simplify 
`ALL` to be the equivalent of using `<> ANY` but placing a `NOT` on top of the 
final result? 🤔


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