From 6ccafcb996351d78a1508c4f9c60c98fab2d4480 Mon Sep 17 00:00:00 2001
From: Damien Elmes <git@ichi2.net>
Date: Sat, 16 May 2009 03:14:23 +0900
Subject: [PATCH] optimize change model - much faster for large decks

---
 anki/deck.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/anki/deck.py b/anki/deck.py
index e6619b7be..8c53c46d8 100644
--- a/anki/deck.py
+++ b/anki/deck.py
@@ -1316,9 +1316,12 @@ where id in %s""" % ids2str(ids), new=new.id, ord=new.ordinal)
         self.updateCardQACacheFromIds(factIds, type="facts")
         self.flushMod()
         self.updateProgress()
-        self.updateCardTags()
+        cardIds = self.s.column0(
+            "select id from cards where factId in %s" %
+            ids2str(factIds))
+        self.updateCardTags(cardIds)
         self.updateProgress()
-        self.updateAllPriorities()
+        self.updatePriorities(cardIds)
         self.updateProgress()
         self.rebuildCounts()
         self.refresh()