SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 3)
           Function any (alias shard_num) (children 1)
            ExpressionList (children 1)
             Identifier _shard_num
           Function count (children 1)
            ExpressionList
           Function uniq (children 1)
            ExpressionList (children 1)
             Identifier dummy
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Function remote (children 1)
              ExpressionList (children 2)
               Literal \'127.0.0.{2,3}\'
               Identifier system.one
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier shard_num
   Literal UInt64_1
   Set
