[rygel] media-export: Search for changes

[Jens Georg <jensgeorg src gnome org>]

commit 0a780ba217ef26ce6e03328a5c5c3c8372f5b149
Author: Jens Georg <jensg openismus com>
Date:   Wed Dec 12 15:59:56 2012 +0100

    media-export: Search for changes

 .../rygel-media-export-media-cache.vala            |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/src/plugins/media-export/rygel-media-export-media-cache.vala b/src/plugins/media-export/rygel-media-export-media-cache.vala
index 732cce5..7e8c7f4 100644
--- a/src/plugins/media-export/rygel-media-export-media-cache.vala
+++ b/src/plugins/media-export/rygel-media-export-media-cache.vala
@@ -876,6 +876,12 @@ public class Rygel.MediaExport.MediaCache : Object {
             case "rygel:originalVolumeNumber":
                 column = "m.disc";
                 break;
+            case "upnp:objectUpdateID":
+                column = "o.object_update_id";
+                break;
+            case "upnp:containerUpdateID":
+                column = "o.container_update_id";
+                break;
             default:
                 var message = "Unsupported column %s".printf (operand);