[tracker/hierarchical-indexing] libtracker-miner: SPARQL performance improvement

[Martyn James Russell <mr src gnome org>]

commit e6480505495e7c1cd0d040cb4a504e2447525093
Author: Martyn Russell <martyn lanedo com>
Date:   Thu Feb 18 17:41:54 2010 +0000

    libtracker-miner: SPARQL performance improvement
    
    Also use " not ' to be consistent

 src/libtracker-miner/tracker-miner-fs.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/libtracker-miner/tracker-miner-fs.c b/src/libtracker-miner/tracker-miner-fs.c
index b9df9df..68fc95b 100644
--- a/src/libtracker-miner/tracker-miner-fs.c
+++ b/src/libtracker-miner/tracker-miner-fs.c
@@ -985,9 +985,9 @@ item_query_exists (TrackerMinerFS  *miner,
 	uri = g_file_get_uri (file);
 
 	if (data.get_mime) {
-		sparql = g_strdup_printf ("SELECT ?s ?m WHERE { ?s nie:url '%s' . OPTIONAL { ?s nie:mimeType ?m } }", uri);
+		sparql = g_strdup_printf ("SELECT ?s nie:mimeType(?s) WHERE { ?s nie:url \"%s\" }", uri);
 	} else {
-		sparql = g_strdup_printf ("SELECT ?s WHERE { ?s nie:url '%s' }", uri);
+		sparql = g_strdup_printf ("SELECT ?s WHERE { ?s nie:url \"%s\" }", uri);
 	}
 
 	data.main_loop = g_main_loop_new (NULL, FALSE);