NotificationQuery: Use query column `host_name' instead of `host'

refs #8613

modules/monitoring/application/controllers/AlertsummaryController.php

@@ -59,7 +59,7 @@ class Monitoring_AlertsummaryController extends Controller
         $query = $this->backend->select()->from(
             'notification',
             array(
-                'host',
+                'host_name',
                 'host_display_name',
                 'service',
                 'service_display_name',
@@ -477,7 +477,7 @@ class Monitoring_AlertsummaryController extends Controller
         $query = $this->backend->select()->from(
             'notification',
             array(
-                'host',
+                'host_name',
                 'host_display_name',
                 'service',
                 'service_display_name',

modules/monitoring/application/controllers/ListController.php

@@ -325,7 +325,7 @@ class Monitoring_ListController extends Controller
         );
         $this->setAutorefreshInterval(15);
         $query = $this->backend->select()->from('notification', array(
-            'host',
+            'host_name',
             'service',
             'notification_output',
             'notification_contact',

modules/monitoring/application/controllers/ShowController.php

@@ -156,7 +156,7 @@ class Monitoring_ShowController extends Controller
             $this->view->commands = $commands->paginate();
 
             $notifications = $this->backend->select()->from('notification', array(
-                'host',
+                'host_name',
                 'service',
                 'notification_output',
                 'notification_contact',

modules/monitoring/application/views/scripts/list/notifications.phtml

@@ -46,12 +46,12 @@ use Icinga\Module\Monitoring\Object\Service;
                     <?= $this->link()->service(
                         $notification->service,
                         $notification->service_display_name,
-                        $notification->host,
+                        $notification->host_name,
                         $notification->host_display_name
                     ) ?>
                 <?php else: ?>
                     <?= $this->icon('host', $this->translate('Host')); ?>
-                    <?= $this->link()->host($notification->host, $notification->host_display_name) ?>
+                    <?= $this->link()->host($notification->host_name, $notification->host_display_name) ?>
                 <?php endif ?>
                 <br>
                 <?= $this->escape($this->ellipsis($notification->notification_output, 10000)) ?>

modules/monitoring/library/Monitoring/Backend/Ido/Query/NotificationQuery.php

@@ -13,7 +13,7 @@ class NotificationQuery extends IdoQuery
             'notification_object_id'        => 'n.object_id'
         ),
         'objects' => array(
-            'host'                          => 'o.name1',
+            'host_name'                     => 'o.name1',
             'service'                       => 'o.name2'
         ),
         'contact' => array(

modules/monitoring/library/Monitoring/DataView/Notification.php

@@ -13,7 +13,7 @@ class Notification extends DataView
     public function getColumns()
     {
         return array(
-            'host',
+            'host_name',
             'service',
             'notification_state',
             'notification_start_time',