From e04c8bd005c827d14d508b18a6ab152c70f3589e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=A9a=20Saviot?= <lea.saviot@numworks.com>
Date: Mon, 26 Nov 2018 10:37:57 +0100
Subject: [PATCH] [apps/graph] Fix Graph::Snapshot::reset()

m_graphRange.setDefault called the delegate's interestingXRange, which
uses expressions that might have been deleted before the call to reset
if there had been an exception (the pool is emptied).
---
 apps/graph/app.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/apps/graph/app.cpp b/apps/graph/app.cpp
index 9f0bf27d1..82ffd6d16 100644
--- a/apps/graph/app.cpp
+++ b/apps/graph/app.cpp
@@ -33,7 +33,8 @@ App * App::Snapshot::unpack(Container * container) {
 
 void App::Snapshot::reset() {
   StorageFunctionApp::Snapshot::reset();
-  m_graphRange.setDefault();
+  *(modelVersion()) = 0;
+  *(rangeVersion()) = 0;
 }
 
 void App::Snapshot::storageDidChangeForRecord(const Ion::Storage::Record record) {