From 0266207e9d4041deb3f0abca2583984b90996824 Mon Sep 17 00:00:00 2001
From: Christophe Romain <christophe.romain@process-one.net>
Date: Thu, 4 Jul 2013 15:13:21 +0200
Subject: [PATCH] fix pubsub unsubscription without SubId on odbc

---
 src/node_hometree_odbc.erl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/node_hometree_odbc.erl b/src/node_hometree_odbc.erl
index 6d7535e0b..090fae513 100644
--- a/src/node_hometree_odbc.erl
+++ b/src/node_hometree_odbc.erl
@@ -383,7 +383,7 @@ unsubscribe_node(NodeId, Sender, Subscriber, SubId) ->
     {Affiliation, Subscriptions} =
 	select_affiliation_subscriptions(NodeId, SubKey),
     SubIdExists = case SubId of
-		    [] -> false;
+		    <<>> -> false;
 		    List when is_binary(List) -> true;
 		    _ -> false
 		  end,