SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 3)
    Identifier k1
    Identifier k2
    Function sum (children 1)
     ExpressionList (children 1)
      Identifier v
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function remote (children 1)
       ExpressionList (children 3)
        Literal \'127.{1,2}\'
        Function view (children 1)
         ExpressionList (children 1)
          SelectWithUnionQuery (children 1)
           ExpressionList (children 1)
            SelectQuery (children 1)
             ExpressionList (children 3)
              Literal UInt64_1 (alias k1)
              Literal UInt64_2 (alias k2)
              Literal UInt64_3 (alias v)
        Function cityHash64 (children 1)
         ExpressionList (children 2)
          Identifier k1
          Identifier k2
   ExpressionList (children 2)
    Identifier k1
    Identifier k2
