jayzhan211 commented on issue #10200:
URL: https://github.com/apache/datafusion/issues/10200#issuecomment-2109539885

   After #10439, I believe `array_concat` should use user-defined signature 
given it's speciality, therefore we can check the empty array in `coerce_types` 
for `array_concat` and return exec_error instead of panicking
   
   cc @Lordworms 


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