Add index on UpdatedOn column of Monitor_Status table

db/zm_update-1.37.75.sql

@@ -0,0 +1,15 @@
+
+
+SET @s = (SELECT IF(
+  (SELECT COUNT(*)
+  FROM INFORMATION_SCHEMA.STATISTICS
+  WHERE table_name = 'Monitor_Status'
+  AND table_schema = DATABASE()
+  AND index_name = 'Monitor_Status_UpdatedOn_idx'
+  ) > 0,
+"SELECT 'UpdateOn Index already exists on Monitor_Status table'",
+"CREATE INDEX Monitor_Status_UpdatedOn_idx on Monitor_Status(UpdatedOn)"
+));
+
+PREPARE stmt FROM @s;
+EXECUTE stmt;