applying patch from issue #27.

debug_toolbar/panels/sql.py

@@ -148,13 +148,28 @@ def nav_title(self):
 
     def nav_subtitle(self):
         self._queries = connection.queries[self._offset:]
+
+        self._duplicate_sql_time = 0
+        self.seen = {}
+        self.duplicate = 0
+        for q in self._queries:
+            sql = q["sql"]
+            c = self.seen.get(sql, 0)
+            if c:
+                self.duplicate += 1
+                self._duplicate_sql_time += q['duration']
+            q["seen"] = c
+            self.seen[sql] = c + 1
+
         self._sql_time = sum([q['duration'] for q in self._queries])
         num_queries = len(self._queries)
         # TODO l10n: use ngettext
         return "%d %s in %.2fms" % (
             num_queries,
             (num_queries == 1) and 'query' or 'queries',
-            self._sql_time
+            self._sql_time,
+            self.duplicate,
+            self._duplicate_sql_time,
         )
 
     def title(self):

debug_toolbar/templates/debug_toolbar/panels/sql.html

@@ -2,6 +2,7 @@
 <table>
 	<thead>
 		<tr>
+			<th>{% trans "Seen times" %}</th>
 			<th>{% trans "Time" %}&nbsp;(ms)</th>
 			<th>{% trans "Action" %}</th>
 			<th>{% trans 'Stacktrace' %}</th>
@@ -11,6 +12,7 @@
 	<tbody>
 		{% for query in queries %}
 			<tr class="{% cycle 'djDebugOdd' 'djDebugEven' %}">
+				<td>{{ query.seen }}</td>
 				<td>{{ query.duration|floatformat:"2" }}</td>
 				<td>
 				{% if query.params %}