diff --git a/sql-schema/273.sql b/sql-schema/273.sql
new file mode 100644
index 0000000000..1022c561b7
--- /dev/null
+++ b/sql-schema/273.sql
@@ -0,0 +1 @@
+ALTER TABLE `syslog` ADD KEY `device_id-timestamp` (`device_id`,`timestamp`);