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 atanh (children 1)
           ExpressionList (children 1)
            Literal Float64_0.9
          Function multiply (children 1)
           ExpressionList (children 2)
            Literal Float64_0.5
            Function ln (children 1)
             ExpressionList (children 1)
              Literal UInt64_19
      Literal Float64_0.00001
