SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Identifier k2
   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
   Literal UInt64_1
   ExpressionList (children 1)
    Identifier k1
