[GitHub] [druid] suhassumukh commented on issue #11813: Unable to negating filter expressions involving nulls

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

suhassumukh commented on issue #11813:
URL: https://github.com/apache/druid/issues/11813#issuecomment-985999840


   @kfaraz 
   After rewriting my query to -
   ```sql
   select * from foo where dim is not null and dim <> 'a'
   ```
   
   The query plan is still - 
   ```json
    "filter": {
       "type": "not",
       "field": {
         "type": "selector",
         "dimension": "dim",
         "value": "a",
         "extractionFn": null
       }
     }
   ```
   
   Replacing `<>` with `!=` doesn't change anything either.


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