From: Michael Vogel <icarus@dabo.de>
Date: Thu, 28 Apr 2016 04:56:55 +0000 (+0200)
Subject: Check before doing the database update
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=0c9c58a68398afe8dbea3c2f93e9549375ed885a;p=friendica.git

Check before doing the database update
---

diff --git a/include/api.php b/include/api.php
index 996c52f54e..488e858445 100644
--- a/include/api.php
+++ b/include/api.php
@@ -1335,9 +1335,12 @@
 
 		$idlist = implode(",", $idarray);
 
-		if ($idlist != "")
-			$r = q("UPDATE `item` SET `unseen` = 0 WHERE `unseen` AND `id` IN (%s)", $idlist);
+		if ($idlist != "") {
+			$unseen = q("SELECT `id` FROM `item` WHERE `unseen` AND `id` IN (%s)", $idlist);
 
+			if ($unseen)
+				$r = q("UPDATE `item` SET `unseen` = 0 WHERE `unseen` AND `id` IN (%s)", $idlist);
+		}
 
 		$data = array('$statuses' => $ret);
 		switch($type){