From 72db206905fb169515a01ae75655adda3e105d70 Mon Sep 17 00:00:00 2001
From: Kresten Krab Thorup <krab@trifork.com>
Date: Mon, 10 Sep 2012 00:23:33 +0200
Subject: [PATCH] Fix missing case in lookup_node

Doing range fold on an empty store triggered
this edge case.
---
 src/hanoidb_reader.erl | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/hanoidb_reader.erl b/src/hanoidb_reader.erl
index d524318..10521bd 100644
--- a/src/hanoidb_reader.erl
+++ b/src/hanoidb_reader.erl
@@ -242,7 +242,10 @@ lookup_node(File,FromKey,#node{members=Members,level=N},_) ->
             end;
         not_found ->
             none
-    end.
+    end;
+lookup_node(_,_,none,_) ->
+    none.
+
 
 
 first_node(#index{file=File}) ->