SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function minus (children 1)
     ExpressionList (children 2)
      Function now (children 1)
       ExpressionList
      Function CAST (children 1)
       ExpressionList (children 2)
        Literal \'1\'
        Literal \'UInt128\'