From: Steinar H. Gunderson <sesse@debian.org>
Date: Sun, 30 Jul 2006 12:50:19 +0000 (+0200)
Subject: Avoid a rescan of all images every time we upload something.
X-Git-Url: https://git.sesse.net/?p=pr0n;a=commitdiff_plain;h=afdde4cd46e93bd49588a47029736c92d0c31ae0;hp=59921df12b46d8d77698a7a5fb268fc98c6c2c4c

Avoid a rescan of all images every time we upload something.
---

diff --git a/perl/Sesse/pr0n/Common.pm b/perl/Sesse/pr0n/Common.pm
index 76da6be..ecc039e 100644
--- a/perl/Sesse/pr0n/Common.pm
+++ b/perl/Sesse/pr0n/Common.pm
@@ -192,8 +192,8 @@ sub update_width_height {
 
 	# update the last_picture cache as well (this should of course be done
 	# via a trigger, but this is less complicated :-) )
-	$dbh->do('UPDATE events SET last_picture=(SELECT COALESCE(MAX(date),\'1970-01-01 00:00:00\') FROM images WHERE event=events.id) WHERE id=(SELECT event FROM images WHERE id=?)',
-		undef, $id)
+	$dbh->do('UPDATE events SET last_picture=GREATEST(last_picture, ?) FROM images WHERE event=events.id) WHERE id=(SELECT event FROM images WHERE id=?)',
+		undef, $datetime, $id)
 		or die "Couldn't update last_picture in SQL: $!";
 }