SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 2)
    Function minus (alias cutoff_time) (children 1)
     ExpressionList (children 2)
      Function now (children 1)
       ExpressionList
      Function toIntervalHour (children 1)
       ExpressionList (children 1)
        Literal UInt64_1
    WithElement (children 1)
     Subquery (children 1)
      SelectWithUnionQuery (children 1)
       ExpressionList (children 1)
        SelectQuery (children 3)
         ExpressionList (children 1)
          Identifier query_id
         TablesInSelectQuery (children 1)
          TablesInSelectQueryElement (children 1)
           TableExpression (children 1)
            TableIdentifier system.query_log
         Function and (children 1)
          ExpressionList (children 2)
           Function equals (children 1)
            ExpressionList (children 2)
             Identifier current_database
             Function currentDatabase (children 1)
              ExpressionList
           Function greaterOrEquals (children 1)
            ExpressionList (children 2)
             Identifier event_time
             Identifier cutoff_time
   ExpressionList (children 17)
    Identifier type
    Identifier has_watch
    Identifier op_num
    Function replace (children 1)
     ExpressionList (children 3)
      Identifier path
      Function toString (children 1)
       ExpressionList (children 1)
        Function serverUUID (children 1)
         ExpressionList
      Literal \'<uuid>\'
    Identifier is_ephemeral
    Identifier is_sequential
    Function if (children 1)
     ExpressionList (children 3)
      Function startsWith (children 1)
       ExpressionList (children 2)
        Identifier path
        Literal \'/clickhouse/sessions\'
      Literal UInt64_1
      Identifier version
    Identifier requests_size
    Identifier request_idx
    Identifier error
    Identifier watch_type
    Identifier watch_state
    Identifier path_created
    Identifier stat_version
    Identifier stat_cversion
    Identifier stat_dataLength
    Identifier stat_numChildren
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.zookeeper_log
   Function and (children 1)
    ExpressionList (children 2)
     Function greaterOrEquals (children 1)
      ExpressionList (children 2)
       Identifier event_time
       Identifier cutoff_time
     Function in (children 1)
      ExpressionList (children 2)
       Function tuple (children 1)
        ExpressionList (children 2)
         Identifier session_id
         Identifier xid
       Subquery (children 1)
        SelectWithUnionQuery (children 1)
         ExpressionList (children 1)
          SelectQuery (children 3)
           ExpressionList (children 2)
            Identifier session_id
            Identifier xid
           TablesInSelectQuery (children 1)
            TablesInSelectQueryElement (children 1)
             TableExpression (children 1)
              TableIdentifier system.zookeeper_log
           Function and (children 1)
            ExpressionList (children 3)
             Function greaterOrEquals (children 1)
              ExpressionList (children 2)
               Identifier event_time
               Identifier cutoff_time
             Function equals (children 1)
              ExpressionList (children 2)
               Identifier path
               Function concat (children 1)
                ExpressionList (children 3)
                 Literal \'/test/01158/\'
                 Function currentDatabase (children 1)
                  ExpressionList
                 Literal \'/rmt/replicas/1/parts/all_0_0_0\'
             Function or (children 1)
              ExpressionList (children 2)
               Function equals (children 1)
                ExpressionList (children 2)
                 Identifier query_id
                 Literal \'\'
               Function in (children 1)
                ExpressionList (children 2)
                 Identifier query_id
                 Identifier query_ids
   ExpressionList (children 3)
    OrderByElement (children 1)
     Identifier xid
    OrderByElement (children 1)
     Identifier type
    OrderByElement (children 1)
     Identifier request_idx