SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function map (children 1)
     ExpressionList (children 4)
      Literal \'a\'
      Literal UInt64_1
      Literal \'b\'
      Literal UInt64_2
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function remote (children 1)
       ExpressionList (children 1)
        Literal \'127.0.0.{1,2}\'