From 70faf593a6313f61e86d64d3f638328c28063859 Mon Sep 17 00:00:00 2001
From: "Igor V. Gulyaev" <igulyaev@gmail.com>
Date: Wed, 29 Aug 2012 09:58:38 +0400
Subject: [PATCH] * fix hstore key exist check

---
 main/Base/Hstore.class.php     | 2 +-
 test/main/HstoreTest.class.php | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/main/Base/Hstore.class.php b/main/Base/Hstore.class.php
index 84238beed2..f49440cf3e 100644
--- a/main/Base/Hstore.class.php
+++ b/main/Base/Hstore.class.php
@@ -85,7 +85,7 @@ public function drop($key)
 		
 		public function isExists($key)
 		{
-			return isset($this->properties[$key]);
+			return key_exists($key, $this->properties);
 		}
 		
 		/**
diff --git a/test/main/HstoreTest.class.php b/test/main/HstoreTest.class.php
index 8938d868a4..3b8226a4fa 100644
--- a/test/main/HstoreTest.class.php
+++ b/test/main/HstoreTest.class.php
@@ -16,11 +16,15 @@ public function testRun()
 			$array = array(
 				'1' => 'qqer',
 				'f' => 'qs34$9&)_@+#qer',
+				'null' => null
 			);
 
 			$test = Hstore::make($array);
 			$test2= Hstore::create($test->toString());
 
 			$this->assertEquals($test->toString(), $test2->toString());
+
+			$this->assertTrue($test->isExists('null'));
+			$this->assertFalse($test->isExists('notExist'));
 		}
 	}