From afdb92ff9b7d46bc1b314260b667be83ecfe9797 Mon Sep 17 00:00:00 2001
From: Lukasz Cybula <lukasz.cybula@fsi.pl>
Date: Mon, 12 Nov 2012 22:03:04 +0100
Subject: [PATCH] Added note about new methods in UPGRADE.md

---
 UPGRADE.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/UPGRADE.md b/UPGRADE.md
index ef30c4f04..387337083 100644
--- a/UPGRADE.md
+++ b/UPGRADE.md
@@ -33,6 +33,12 @@ Also, related functions were affected:
 Internal changes were made to DQL and SQL generation. If you have implemented your own TreeWalker,
 you probably need to update it. The method walkJoinVariableDeclaration is now named walkJoin.
 
+## New methods in TreeWalker interface *BC break*
+
+Two methods getQueryComponents() and setQueryComponent() were added to the TreeWalker interface and all its implementations
+including TreeWalkerAdapter, TreeWalkerChain and SqlWalker. If you have your own implementation not inheriting from one of the
+above you must implement these new methods.
+
 ## Metadata Drivers
 
 Metadata drivers have been rewritten to reuse code from Doctrine\Common. Anyone who is using the