Fix updater

compton_filter.py

@@ -298,7 +298,7 @@ class CalibrdbHandler(PostgreSQLHandler):
             USING clbrdata b
             WHERE
                 a.sid = {sid}
-                AND a.cid > b.cid
+                AND a.cid < b.cid
                 AND a.sid = b.sid
                 AND a.begintime = b.begintime
         """