From 060ba17b8105c72c3ce5399cfeb7d77e14b699e1 Mon Sep 17 00:00:00 2001
From: wangzhengyi <wzyll1314@gmail.com>
Date: Fri, 2 Dec 2016 11:29:03 +0800
Subject: [PATCH] Fix Issue #509: Fix NullPointerException when user use delete
 with executeSingle

Signed-off-by: wangzhengyi <wzyll1314@gmail.com>
---
 src/com/activeandroid/query/From.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/com/activeandroid/query/From.java b/src/com/activeandroid/query/From.java
index ab3837a90..e5fa52b8c 100644
--- a/src/com/activeandroid/query/From.java
+++ b/src/com/activeandroid/query/From.java
@@ -312,7 +312,10 @@ public <T extends Model> T executeSingle() {
 			
 		} else {
 			limit(1);
-			SQLiteUtils.rawQuerySingle(mType, toSql(), getArguments()).delete();
+			Model model = SQLiteUtils.rawQuerySingle(mType, toSql(), getArguments());
+            if (model != null) {
+                model.delete();
+            }
 			return null;
 			
 		}