From 3b8fe9e7f346cfb749bb7b045212d1e4ff2410ed Mon Sep 17 00:00:00 2001
From: flan <flan@flande.re>
Date: Tue, 31 Dec 2019 16:56:47 +0100
Subject: [PATCH] Use max(x) instead of ORDER BY x DESC LIMIT 1

Doesn't use non-standard syntax, clearer intent, reportedly faster
---
 ankisyncd/media.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ankisyncd/media.py b/ankisyncd/media.py
index de9f9ba..9c68c4c 100644
--- a/ankisyncd/media.py
+++ b/ankisyncd/media.py
@@ -47,7 +47,7 @@ def dir(self):
         return self._dir
 
     def lastUsn(self):
-        return self.db.scalar("SELECT usn FROM media ORDER BY usn DESC LIMIT 1") or 0
+        return self.db.scalar("SELECT max(usn) FROM media") or 0
 
     def mediaCount(self):
         return self.db.scalar("SELECT count() FROM media WHERE csum IS NOT NULL")