SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function less (children 1)
     ExpressionList (children 2)
      Function abs (children 1)
       ExpressionList (children 1)
        Function minus (children 1)
         ExpressionList (children 2)
          Function log1p (children 1)
           ExpressionList (children 1)
            Function minus (children 1)
             ExpressionList (children 2)
              Function exp (children 1)
               ExpressionList (children 1)
                Literal UInt64_2
              Literal UInt64_1
          Literal UInt64_2
      Literal Float64_100000000