.-ALL------.
>>-SELECT--+----------+----------------------------------------->
           '-DISTINCT-'
 
>--+-*-----------------------------------------------+---------><
   | .-,-------------------------------------------. |
   | V                                             | |
   '---+-expression--+-------------------------+-+-+-'
       |             | .-AS-.                  | |
       |             '-+----+--new-column-name-' |
       '-exposed-name.*--------------------------'