Всё не так просто...

SELECT `ev_event`.`event_id` , `ev_event`.`severity` , `ev_event`.`origin_is_policy` , `ev_event`.`task_id` , `ev_event`.`task_display_name` , `ev_event`.`hostname` , `ev_event`.`product_name` , `ev_event`.`product_version` , `ev_event`.`event_type` , `ev_event`.`event_type_display_name` , `ev_event`.`descr` , `ev_event`.`rise_time` , `ev_event`.`deadline` , `ev_event`.`body` , `v_hosts_and_slaves`.`strDisplayName` AS `hostdn` , `v_hosts_and_slaves`.`nIpAddress` AS `host_ip` , `v_hosts_and_slaves`.`nIpCon` AS `host_conn_ip` , `NtDomains`.`strName` AS `domain_name` , `ev_event`.`product_name` AS `product_name` , CASE WHEN `hst_product_dn`.`wstrName` IS NULL THEN [...]