[tracker/collation-gconf-locale] libtracker-data: WIP with collator reset



commit d3c331b2800dabe7b6a5beaada7a898bc8dd6512
Author: Aleksander Morgado <aleksander lanedo com>
Date:   Thu Oct 28 17:28:52 2010 +0200

    libtracker-data: WIP with collator reset

 src/libtracker-data/tracker-data-manager.c        |    1 +
 src/libtracker-data/tracker-db-interface-sqlite.c |   44 ++++++++++++++++++--
 2 files changed, 40 insertions(+), 5 deletions(-)
---
diff --git a/src/libtracker-data/tracker-data-manager.c b/src/libtracker-data/tracker-data-manager.c
index 60ad90c..beb3053 100644
--- a/src/libtracker-data/tracker-data-manager.c
+++ b/src/libtracker-data/tracker-data-manager.c
@@ -3085,6 +3085,7 @@ tracker_data_manager_reload (TrackerBusyCallback busy_callback,
 	flags = tracker_db_manager_get_flags (&select_cache_size, &update_cache_size);
 	tracker_data_manager_shutdown ();
 
+	/* And initialize it again, this actually triggers index recreation. */
 	return tracker_data_manager_init (flags,
 	                                  NULL,
 	                                  &is_first,
diff --git a/src/libtracker-data/tracker-db-interface-sqlite.c b/src/libtracker-data/tracker-db-interface-sqlite.c
index 9d7c5ab..879057d 100644
--- a/src/libtracker-data/tracker-db-interface-sqlite.c
+++ b/src/libtracker-data/tracker-db-interface-sqlite.c
@@ -57,7 +57,10 @@ struct TrackerDBInterface {
 
 	GSList *function_data;
 
+	/* Collation and locale change */
 	gpointer collator;
+	gpointer locale_notification_id;
+	gboolean collator_reset_requested;
 
 	guint ro : 1;
 #if HAVE_TRACKER_FTS
@@ -527,6 +530,16 @@ check_interrupt (void *user_data)
 }
 
 static void
+tracker_locale_notify_cb (TrackerLocaleID id,
+                          gpointer        user_data)
+{
+	TrackerDBInterface *db_interface = user_data;
+
+	/* Request a collator reset. */
+	db_interface->collator_reset_requested = TRUE;
+}
+
+static void
 open_database (TrackerDBInterface *db_interface)
 {
 	int mode;
@@ -546,9 +559,13 @@ open_database (TrackerDBInterface *db_interface)
 	}
 
 	/* Set our unicode collation function */
-	if (!db_interface->collator) {
-		tracker_db_interface_sqlite_reset_collator (db_interface);
-	}
+	tracker_db_interface_sqlite_reset_collator (db_interface);
+	/* /\* And register for updates on locale changes *\/ */
+	/* db_interface->locale_notification_id = tracker_locale_notify_add (TRACKER_LOCALE_COLLATE, */
+	/*                                                                   tracker_locale_notify_cb, */
+	/*                                                                   db_interface, */
+	/*                                                                   NULL); */
+
 
 	sqlite3_progress_handler (db_interface->db, 100,
 	                          check_interrupt, db_interface);
@@ -730,6 +747,8 @@ tracker_db_interface_sqlite_reset_collator (TrackerDBInterface *db_interface)
 	}
 }
 
+
+
 static void
 tracker_db_interface_sqlite_finalize (GObject *object)
 {
@@ -744,6 +763,7 @@ tracker_db_interface_sqlite_finalize (GObject *object)
 	g_free (db_interface->filename);
 	g_free (db_interface->busy_status);
 
+	tracker_locale_notify_remove (db_interface->locale_notification_id);
 	tracker_collation_shutdown (db_interface->collator);
 
 	G_OBJECT_CLASS (tracker_db_interface_parent_class)->finalize (object);
@@ -1102,8 +1122,14 @@ create_result_set_from_stmt (TrackerDBInterface  *interface,
 		}
 	}
 
-	if (result != SQLITE_DONE) {
-
+	if (result == SQLITE_DONE) {
+		/* Statement finished, check if we got a request to reset the
+		 * collator, and if so, do it. */
+		if (interface->collator_reset_requested) {
+			tracker_db_interface_sqlite_reset_collator (interface);
+			interface->collator_reset_requested = FALSE;
+		}
+	} else {
 		/* This is rather fatal */
 		if (sqlite3_errcode (interface->db) == SQLITE_IOERR ||
 		    sqlite3_errcode (interface->db) == SQLITE_CORRUPT ||
@@ -1529,6 +1555,14 @@ db_cursor_iter_next (TrackerDBCursor *cursor,
 		cursor->finished = (result != SQLITE_ROW);
 	}
 
+	/* Statement finished, check if we got a request to reset the
+	 * collator, and if so, do it. */
+	if (cursor->finished &&
+	    iface->collator_reset_requested) {
+		tracker_db_interface_sqlite_reset_collator (iface);
+		iface->collator_reset_requested = FALSE;
+	}
+
 	return (!cursor->finished);
 }
 



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