fixes #2504

app/models/tag.rb

@@ -692,6 +692,12 @@ class Tag < ActiveRecord::Base
         q = q.joins("LEFT JOIN wiki_pages ON tags.name = wiki_pages.title").where("wiki_pages.title IS NULL")
       end
 
+      if params[:has_artist] == "yes"
+        q = q.joins("INNER JOIN artists ON tags.name = artists.name").where("artists.is_active = true")
+      elsif params[:has_artist] == "no"
+        q = q.joins("LEFT JOIN artists ON tags.name = artists.name").where("artists.name IS NULL OR artists.is_active = false")
+      end
+
       params[:order] ||= params.delete(:sort)
       case params[:order]
       when "name"

app/views/tags/_search.html.erb

@@ -47,6 +47,15 @@
         </td>
       </tr>
 
+      <tr>
+        <th><label for="search_has_artist">Has an Artist Entry</label></th>
+        <td>
+          <div class="input">
+            <%= select "search", "has_artist", ["yes", "no"], :selected => params[:search][:has_artist], :include_blank => true %>
+          </div>
+        </td>
+      </tr>
+
       <tr>
         <td><%= submit_tag "Search" %><td>
       </tr>