From 2c20826122a8692fd80f1eb3bc9d5ff09bec2d5a Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Tue, 8 Mar 2011 12:11:33 -0700
Subject: [PATCH] Fix set_marked not clearing previously marked ids

---
 src/calibre/library/caches.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/calibre/library/caches.py b/src/calibre/library/caches.py
index 397f9bb403..63920c5dc9 100644
--- a/src/calibre/library/caches.py
+++ b/src/calibre/library/caches.py
@@ -798,7 +798,10 @@ class ResultCache(SearchQueryParser): # {{{
 
         # Set the values in the cache
         marked_col = self.FIELD_MAP['marked']
-        for id_,val in self.marked_ids_dict.iteritems():
+        for id_ in self.iterallids():
+            self._data[id_][marked_col] = None
+
+        for id_, val in self.marked_ids_dict.iteritems():
             try:
                 self._data[id_][marked_col] = val
             except: