[tracker] TrackerMinerFS: Do not query parent URN frequently if it doesn't exist.

[Martyn James Russell <mr src gnome org>]

commit 5a3375e8276ea89449bdeb0a146b73f74b97fdb6
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Apr 21 14:02:30 2010 +0200

    TrackerMinerFS: Do not query parent URN frequently if it doesn't exist.
    
    This is specially visible in the applications miner, since the container
    directories aren't actually stored.

 src/libtracker-miner/tracker-miner-fs.c |    7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)
---
diff --git a/src/libtracker-miner/tracker-miner-fs.c b/src/libtracker-miner/tracker-miner-fs.c
index c4d02b5..17e7f18 100644
--- a/src/libtracker-miner/tracker-miner-fs.c
+++ b/src/libtracker-miner/tracker-miner-fs.c
@@ -1238,10 +1238,9 @@ item_add_or_update (TrackerMinerFS *fs,
 
 			g_free (fs->private->current_parent_urn);
 
-			if (item_query_exists (fs, parent, &fs->private->current_parent_urn, NULL))
-				fs->private->current_parent = g_object_ref (parent);
-			else {
-				fs->private->current_parent = NULL;
+			fs->private->current_parent = g_object_ref (parent);
+
+			if (!item_query_exists (fs, parent, &fs->private->current_parent_urn, NULL)) {
 				fs->private->current_parent_urn = NULL;
 			}
 		}