SelectWithUnionQuery (children 3)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 4)
    Identifier a
    Identifier b
    Identifier c
    Function sum (alias s) (children 1)
     ExpressionList (children 1)
      Identifier a
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function remote (children 1)
       ExpressionList (children 3)
        Literal \'127.0.0.{2,3}\'
        Function currentDatabase (children 1)
         ExpressionList
        Identifier t_2354_dist_with_external_aggr
   ExpressionList (children 3)
    Identifier a
    Identifier b
    Identifier c
 Identifier Null
 Set
