SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 2)
    Function plus (children 1)
     ExpressionList (children 2)
      Identifier _shard_num
      Literal UInt64_1
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function remote (children 1)
       ExpressionList (children 2)
        Literal \'127.0.0.{1,2}\'
        Identifier system.one
   ExpressionList (children 1)
    Function plus (children 1)
     ExpressionList (children 2)
      Identifier _shard_num
      Literal UInt64_1
   ExpressionList (children 1)
    OrderByElement (children 1)
     Function plus (children 1)
      ExpressionList (children 2)
       Identifier _shard_num
       Literal UInt64_1
