Show event meta data in backend list of events

src/pretix/base/models/event.py

@@ -710,8 +710,12 @@ class Event(EventMixin, LoggedModel):
     @property
     def meta_data(self):
         data = {p.name: p.default for p in self.organizer.meta_properties.all()}
-        data.update({v.property.name: v.value for v in self.meta_values.select_related('property').all()})
-        return data
+        if hasattr(self, 'meta_values_cached'):
+            data.update({v.property.name: v.value for v in self.meta_values_cached})
+        else:
+            data.update({v.property.name: v.value for v in self.meta_values.select_related('property').all()})
+
+        return OrderedDict((k, v) for k, v in sorted(data.items(), key=lambda k: k[0]))
 
     @property
     def has_payment_provider(self):

src/pretix/control/templates/pretixcontrol/events/index.html

@@ -87,6 +87,11 @@
                     <td class="event-name-col">
                         <strong><a href="{% url "control:event.index" organizer=e.organizer.slug event=e.slug %}">{{ e.name }}</a></strong>
                         <br><small>{{ e.slug }}</small>
+                        {% for k, v in e.meta_data.items %}
+                            {% if v %}
+                                <span class="text-muted">&middot; {{ k }}: {{ v }}</span>
+                            {% endif %}
+                        {% endfor %}
                     </td>
                     {% if not hide_orga %}<td>{{ e.organizer }}</td>{% endif %}
                     <td class="event-date-col">

src/pretix/control/views/main.py

@@ -17,7 +17,7 @@ from i18nfield.strings import LazyI18nString
 
 from pretix.base.forms import SafeSessionWizardView
 from pretix.base.i18n import language
-from pretix.base.models import Event, Organizer, Quota, Team
+from pretix.base.models import Event, EventMetaValue, Organizer, Quota, Team
 from pretix.control.forms.event import (
     EventWizardBasicsForm, EventWizardCopyForm, EventWizardFoundationForm,
 )
@@ -32,8 +32,13 @@ class EventList(PaginationMixin, ListView):
     template_name = 'pretixcontrol/events/index.html'
 
     def get_queryset(self):
-        qs = self.request.user.get_events_with_any_permission(self.request).select_related('organizer').prefetch_related(
-            '_settings_objects', 'organizer___settings_objects'
+        qs = self.request.user.get_events_with_any_permission(self.request).prefetch_related(
+            'organizer', '_settings_objects', 'organizer___settings_objects', 'organizer__meta_properties',
+            Prefetch(
+                'meta_values',
+                EventMetaValue.objects.select_related('property'),
+                to_attr='meta_values_cached'
+            )
         ).order_by('-date_from')
 
         qs = qs.annotate(