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 asinh (children 1)
           ExpressionList (children 1)
            Literal UInt64_1
          Function ln (children 1)
           ExpressionList (children 1)
            Function plus (children 1)
             ExpressionList (children 2)
              Literal UInt64_1
              Function sqrt (children 1)
               ExpressionList (children 1)
                Literal UInt64_2
      Literal Float64_1e-9
