--- a/viewer.py	Wed May 27 18:34:06 2015 +0800
+++ b/viewer.py	Wed May 27 18:56:20 2015 +0800
@@ -54,20 +54,24 @@
 
         return getinfo('first({}:0, {})'.format(rev, revcount))
 
-    def getresults(self, changesets):
-        results = {}
-        limits = {
+    def getlimits(self, changesets=None):
+        query = 'SELECT MIN(time), MAX(time) FROM results WHERE mark = ? AND cache = ?'
+        extra = []
+        if changesets:
+            query += ' AND node IN (' + ','.join('?' * len(changesets)) + ')'
+            extra = [cset['node'] for cset in changesets]
+        return {
             mark:
-                self.conn.execute(
-                    'SELECT MIN(time), MAX(time) FROM results WHERE mark = ? AND cache = ?',
-                    (mark, False)).fetchone()
+                self.conn.execute(query, [mark, False] + extra).fetchone()
                 +
-                self.conn.execute(
-                    'SELECT MIN(time), MAX(time) FROM results WHERE mark = ? AND cache = ?',
-                    (mark, True)).fetchone()
+                self.conn.execute(query, [mark, True] + extra).fetchone()
             for mark in MARKS
         }
 
+    def getresults(self, changesets, local=False):
+        results = {}
+        limits = self.getlimits(changesets if local else None)
+
         resultsq = self.conn.execute(
             'SELECT node, mark, time, cache FROM results'
             ' WHERE node IN (' + ','.join('?' * len(changesets)) + ')',
@@ -131,7 +135,7 @@
 
     def results_html(self):
         changesets = self.getchangesets()
-        results = self.getresults(changesets)
+        results = self.getresults(changesets, self.get_argument('local', False))
         self.render('results.html', changesets=changesets, marks=MARKS, results=results)