SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function plus (children 1)
     ExpressionList (children 2)
      Function now (children 1)
       ExpressionList
      Function CAST (children 1)
       ExpressionList (children 2)
        Literal \'1\'
        Literal \'UInt256\'