SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Function fuzzBits (children 1)
       ExpressionList (children 2)
        Function randomString (children 1)
         ExpressionList (children 1)
          Literal UInt64_100
        Literal Float64_0.5