asubiotto opened a new issue, #27376:
URL: https://github.com/apache/datafusion/issues/27376

   ### Is your feature request related to a problem or challenge?
   
   `LIKE`/`ILIKE` on a run-end encoded Utf8 column casts it to `Utf8` first, 
which expands every run and matches each row separately. Dictionary-encoded 
Utf8 columns already skip this cast.
   
   ### Describe the solution you'd like
   
   Once apache/arrow-rs#12154 lands, keep `RunEndEncoded` columns over `Utf8` 
or `Dictionary(_, Utf8)` uncast, so LIKE matches each run once.
   
   ### Describe alternatives you've considered
   
   Keep the cast, and give up the benefit of the encoding.
   


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