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 e (children 1)
           ExpressionList
          Function arraySum (children 1)
           ExpressionList (children 1)
            Function arrayMap (children 1)
             ExpressionList (children 2)
              Function lambda (children 1)
               ExpressionList (children 2)
                Function tuple (children 1)
                 ExpressionList (children 1)
                  Identifier x
                Function divide (children 1)
                 ExpressionList (children 2)
                  Literal UInt64_1
                  Function tgamma (children 1)
                   ExpressionList (children 1)
                    Function plus (children 1)
                     ExpressionList (children 2)
                      Identifier x
                      Literal UInt64_1
              Function range (children 1)
               ExpressionList (children 1)
                Literal UInt64_13
      Literal Float64_1e-9