From bb96d3a1a7fc5c523d448ea32ad2ae17c0c78979 Mon Sep 17 00:00:00 2001
From: Brandon Turner <bt@brandonturner.net>
Date: Mon, 31 Oct 2011 23:36:51 -0500
Subject: [PATCH] Check for parent record before deleting it

Fixes #14.
---
 packages/sproutcore-datastore/lib/system/store.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/sproutcore-datastore/lib/system/store.js b/packages/sproutcore-datastore/lib/system/store.js
index f2e933a..54e1d81 100644
--- a/packages/sproutcore-datastore/lib/system/store.js
+++ b/packages/sproutcore-datastore/lib/system/store.js
@@ -1377,7 +1377,7 @@ SC.Store = SC.Object.extend( /** @scope SC.Store.prototype */ {
     prs = this.parentRecords || {};
     // first rid of the old parent
     oldPk = crs[childStoreKey];
-    if (oldPk){
+    if (oldPk && prs[oldPk]){
       oldChildren = prs[oldPk];
       delete oldChildren[childStoreKey];
       // this.recordDidChange(null, null, oldPk, key);