Gschiavon commented on issue #25728: [SPARK-29020][SQL] Improving array_sort 
behaviour
URL: https://github.com/apache/spark/pull/25728#issuecomment-530767308
 
 
   Ok I understand. Also I think that might be a different PR? and then have 
different signatures for array_sort. For example:
   
   array_sort(column) -> asc by default
   array_sort(column, order)
   array_sort(column, comparatorFunction)
   
   Or you just want to have array_sort(column, comparatorFunction)? 
   
   I think having array_sort(column, order) is easier to use, and most of the 
times you just want to order asc or desc. At the same time having the 
comparatorFunction can open more possibilities. 
   

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