[tracker] libtracker-data: Fix warnings and errors found by vala master

[Jürg Billeter <juergbi src gnome org>]

commit dec46eb135699b8a348b45107fd495137db091aa
Author: Jürg Billeter <j bitron ch>
Date:   Sun Mar 21 10:49:09 2010 +0100

    libtracker-data: Fix warnings and errors found by vala master

 src/libtracker-data/libtracker-data.vapi        |   10 +++++-----
 src/libtracker-data/tracker-sparql-query.vala   |    6 +++---
 src/libtracker-data/tracker-sparql-scanner.vala |    2 +-
 src/libtracker-db/libtracker-db.vapi            |    2 +-
 4 files changed, 10 insertions(+), 10 deletions(-)
---
diff --git a/src/libtracker-data/libtracker-data.vapi b/src/libtracker-data/libtracker-data.vapi
index 7087ed0..65c1cec 100644
--- a/src/libtracker-data/libtracker-data.vapi
+++ b/src/libtracker-data/libtracker-data.vapi
@@ -58,11 +58,11 @@ namespace Tracker {
 
 	[CCode (cheader_filename = "libtracker-data/tracker-ontologies.h")]
 	namespace Ontologies {
-		public weak Class get_class_by_uri (string class_uri);
-		public weak Property get_property_by_uri (string property_uri);
-		public weak Namespace[] get_namespaces ();
-		public weak Class[] get_classes ();
-		public weak Property[] get_properties ();
+		public unowned Class get_class_by_uri (string class_uri);
+		public unowned Property get_property_by_uri (string property_uri);
+		public unowned Namespace[] get_namespaces ();
+		public unowned Class[] get_classes ();
+		public unowned Property[] get_properties ();
 	}
 
 	[CCode (cheader_filename = "libtracker-data/tracker-data-update.h")]
diff --git a/src/libtracker-data/tracker-sparql-query.vala b/src/libtracker-data/tracker-sparql-query.vala
index 229eb6d..ae95c30 100644
--- a/src/libtracker-data/tracker-sparql-query.vala
+++ b/src/libtracker-data/tracker-sparql-query.vala
@@ -464,7 +464,7 @@ public class Tracker.SparqlQuery : Object {
 		}
 	}
 
-	public DBResultSet? execute () throws DBInterfaceError, SparqlError {
+	public DBResultSet? execute () throws DBInterfaceError, SparqlError, DateError {
 		assert (!update_extensions);
 
 		scanner = new SparqlScanner ((char*) query_string, (long) query_string.size ());
@@ -1253,13 +1253,13 @@ public class Tracker.SparqlQuery : Object {
 		expect (SparqlTokenType.CLOSE_PARENS);
 	}
 
-	void append_expression_as_string (StringBuilder sql, string expression, PropertyType type) {
+	static void append_expression_as_string (StringBuilder sql, string expression, PropertyType type) {
 		long begin = sql.len;
 		sql.append (expression);
 		convert_expression_to_string (sql, type, begin);
 	}
 
-	void convert_expression_to_string (StringBuilder sql, PropertyType type, long begin) {
+	static void convert_expression_to_string (StringBuilder sql, PropertyType type, long begin) {
 		switch (type) {
 		case PropertyType.STRING:
 		case PropertyType.INTEGER:
diff --git a/src/libtracker-data/tracker-sparql-scanner.vala b/src/libtracker-data/tracker-sparql-scanner.vala
index e90abb6..20ec669 100644
--- a/src/libtracker-data/tracker-sparql-scanner.vala
+++ b/src/libtracker-data/tracker-sparql-scanner.vala
@@ -876,7 +876,7 @@ public enum Tracker.SparqlTokenType {
 	WHERE,
 	WITH;
 
-	public weak string to_string () {
+	public unowned string to_string () {
 		switch (this) {
 		case A: return "`a'";
 		case AS: return "`AS'";
diff --git a/src/libtracker-db/libtracker-db.vapi b/src/libtracker-db/libtracker-db.vapi
index d2a414c..d9a69e7 100644
--- a/src/libtracker-db/libtracker-db.vapi
+++ b/src/libtracker-db/libtracker-db.vapi
@@ -41,7 +41,7 @@ namespace Tracker {
 
 	[CCode (cheader_filename = "libtracker-db/tracker-db-manager.h")]
 	namespace DBManager {
-		public weak DBInterface get_db_interface ();
+		public unowned DBInterface get_db_interface ();
 	}
 
 	[CCode (cheader_filename = "libtracker-db/tracker-db-interface.h")]