From 283efe108c231f94dff1fe45488ae34b1ff3c51c Mon Sep 17 00:00:00 2001
From: Athou <jeremiepanzer@gmail.com>
Date: Tue, 4 Jun 2013 10:36:56 +0200
Subject: [PATCH] fix query for null parent

---
 .../java/com/commafeed/backend/dao/FeedCategoryDAO.java    | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/commafeed/backend/dao/FeedCategoryDAO.java b/src/main/java/com/commafeed/backend/dao/FeedCategoryDAO.java
index 36817aa0..12f519e6 100644
--- a/src/main/java/com/commafeed/backend/dao/FeedCategoryDAO.java
+++ b/src/main/java/com/commafeed/backend/dao/FeedCategoryDAO.java
@@ -54,7 +54,12 @@ public class FeedCategoryDAO extends GenericDAO<FeedCategory> {
 	public List<FeedCategory> findByParent(User user, FeedCategory parent) {
 		EasyCriteria<FeedCategory> criteria = createCriteria();
 		criteria.andEquals(FeedCategory_.user.getName(), user);
-		criteria.andEquals(FeedCategory_.parent.getName(), parent);
+		if (parent == null) {
+			criteria.andIsNull(FeedCategory_.parent.getName());
+		} else {
+			criteria.andEquals(FeedCategory_.parent.getName(), parent);
+		}
+
 		return criteria.getResultList();
 	}