SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 3)
          ExpressionList (children 3)
           Identifier x
           Function sum (children 1)
            ExpressionList (children 1)
             Identifier y
           Function plus (alias q) (children 1)
            ExpressionList (children 2)
             Identifier z
             Literal UInt64_1
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Function remote (children 1)
              ExpressionList (children 3)
               Literal \'127.0.0.{1,2}\'
               Function currentDatabase (children 1)
                ExpressionList
               Identifier tab
          ExpressionList (children 2)
           ExpressionList (children 2)
            Identifier x
            Function plus (children 1)
             ExpressionList (children 2)
              Identifier z
              Literal UInt64_1
           ExpressionList (children 2)
            Identifier x
            Function plus (children 1)
             ExpressionList (children 2)
              Identifier z
              Literal UInt64_2
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier q
     Literal UInt64_42
