ObjectSuggestions: Implement method shouldShowRelationFor()

library/Icingadb/Web/Control/SearchBar/ObjectSuggestions.php

@@ -91,6 +91,29 @@ class ObjectSuggestions extends Suggestions
         return $this->model;
     }
 
+    protected function shouldShowRelationFor(string $column): bool
+    {
+        if (strpos($column, '.vars.') !== false) {
+            return false;
+        }
+
+        $tableName = $this->getModel()->getTableName();
+        $columnPath = explode('.', $column);
+
+        switch (count($columnPath)) {
+            case 3:
+                if ($columnPath[1] !== 'state' || ! in_array($tableName, ['host', 'service'])) {
+                    return true;
+                }
+
+                // For host/service state relation columns apply the same rules
+            case 2:
+                return $columnPath[0] !== $tableName;
+            default:
+                return true;
+        }
+    }
+
     protected function createQuickSearchFilter($searchTerm)
     {
         $model = $this->getModel();