SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function clusterAllReplicas (alias x) (children 1)
       ExpressionList (children 3)
        Identifier test_cluster_one_shard_three_replicas_localhost
        Function currentDatabase (children 1)
         ExpressionList
        Identifier test_join_remote_l
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier test_join_remote_r (alias y)
     TableJoin (children 1)
      Literal Bool_1
