Update Kohana to r4081.

This resolves ticket http://dev.kohanaphp.com/ticket/1156
1156: "Table prefix gets append to column name"

All tests pass.

1 files changed, 26 insertions, 0 deletions

diff --git a/kohana/libraries/Database_Expression.php b/kohana/libraries/Database_Expression.php
new file mode 100644
index 00000000..3a8427ca
--- /dev/null
+++ b/kohana/libraries/Database_Expression.php
@@ -0,0 +1,26 @@
+<?php defined('SYSPATH') OR die('No direct access allowed.');
+/**
+ * Database expression class to allow for explicit joins and where expressions.
+ *
+ * $Id$
+ *
+ * @package    Core
+ * @author     Kohana Team
+ * @copyright  (c) 2007-2009 Kohana Team
+ * @license    http://kohanaphp.com/license.html
+ */
+class Database_Expression_Core {
+
+	protected $expression;
+
+	public function __construct($expression)
+	{
+		$this->expression = $expression;
+	}
+
+	public function __toString()
+	{
+		return (string) $this->expression;
+	}
+
+} // End Database Expr Class
\ No newline at end of file