Database migration to lower and higher versions.

application/controllers/Migrate.php

@@ -13,7 +13,17 @@ class Migrate extends CI_Controller
 		$this->load->library('migration');
 	}
 	
-	public	function index()
+	public function version($id = NULL)
+	{
+		if ($this->migration->version($id) === FALSE)
+		{
+			show_error($this->migration->error_string());
+		} else {
+			echo "Database moved to: ".$id;
+		}
+	}
+	
+	public function latest()
 	{
 		if ($this->migration->latest() === FALSE)
 		{
@@ -21,7 +31,6 @@ class Migrate extends CI_Controller
 		} else {
 			echo "Database updated or update not needed.";
 		}
-		
 	}
 }