turns out pubdate messes up distinct, MySQL doesn't support DISTINCT ON

frontend/templates/explore.html

@@ -25,7 +25,6 @@
                                 <ul class="menu level3">
                                     <li class="first"><a href="{% url bypub_list 'popular' pubname %}"><span>Most popular</span></a></li>
                                     <li><a href="{% url bypub_list pubname %}"><span>By Title</span></a></li>
-                                    <li><a href="{% url bypub_list 'pubdate' pubname %}"><span>By Date Published</span></a></li>
                                 </ul>
                                 </li>
                              {% endif %}

frontend/views.py

@@ -529,7 +529,7 @@ class ByPubListView(WorkListView):
         if (facet == 'popular'):
             return objects.order_by('-num_wishes', 'id')
         elif (facet == 'pubdate'):
-            return objects.order_by('-editions__publication_date')
+            return objects.order_by('-editions__publication_date') # turns out this messes up distinct, and MySQL doesn't support DISTINCT ON
         elif (facet == 'new'):
             return objects.filter(num_wishes__gt=0).order_by('-created', '-num_wishes' ,'id')
         else: