Add ExecUpdate like in JDBC API.

sqlite.go

@@ -384,6 +384,14 @@ func (s *Stmt) Exec(args ...interface{}) os.Error {
 	return nil
 }
 
+func (s *Stmt) ExecUpdate(args ...interface{}) (int, os.Error) {
+	err := s.Exec(args...)
+	if err != nil {
+		return -1, err
+	}
+	return s.c.Changes(), nil
+}
+
 // Calls http://sqlite.org/c3ref/bind_parameter_count.html
 func (s *Stmt) BindParameterCount() int {
 	return int(C.sqlite3_bind_parameter_count(s.stmt))

sqlite_test.go

@@ -200,11 +200,10 @@ func TestInsertWithStatement(t *testing.T) {
 
 	db.Begin()
 	for i := 0; i < 1000; i++ {
-		ierr := s.Exec(float64(i)*float64(3.14), i, "hello")
+		c, ierr := s.ExecUpdate(float64(i)*float64(3.14), i, "hello")
 		if ierr != nil {
 			t.Fatalf("insert error: %s", ierr)
 		}
-		c := db.Changes()
 		if c != 1 {
 			t.Errorf("insert error: %d <> 1", c)
 		}