From 78039891cee54be3f7154d8d965d8094a77779ba Mon Sep 17 00:00:00 2001
From: Damien Elmes <git@ichi2.net>
Date: Sun, 26 Aug 2012 17:03:32 +0900
Subject: [PATCH] make sure we limit review time period to oldest card in deck,
 not collection

---
 anki/stats.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/anki/stats.py b/anki/stats.py
index 9a6f63533..4dbd8a123 100644
--- a/anki/stats.py
+++ b/anki/stats.py
@@ -259,7 +259,10 @@ group by day order by day""" % (self._limit(), lim),
         period = self._periodDays()
         if not period:
             # base off earliest repetition date
-            t = self.col.db.scalar("select id from revlog limit 1")
+            lim = self._revlogLimit()
+            if lim:
+                lim = " where " + lim
+            t = self.col.db.scalar("select id from revlog %s order by id limit 1" % lim)
             if not t:
                 period = 1
             else: