fixed empty result in findByPk list

framework/yii/redis/ActiveQuery.php

@@ -315,12 +315,15 @@ class ActiveQuery extends \yii\base\Component
 			foreach($pks as $pk) {
 				if (++$i > $start && ($this->limit === null || $i <= $start + $this->limit)) {
 					$key = $modelClass::tableName() . ':a:' . $modelClass::buildKey($pk);
-					$data[] = $db->executeCommand('HGETALL', array($key));
+					$result = $db->executeCommand('HGETALL', array($key));
+					if (!empty($result)) {
+						$data[] = $result;
 						if ($type === 'One' && $this->orderBy === null) {
 							break;
 						}
 					}
 				}
+			}
 			// TODO support orderBy
 
 			switch($type) {

tests/unit/framework/redis/ActiveRecordTest.php

@@ -97,6 +97,10 @@ class ActiveRecordTest extends RedisTestCase
 		$this->assertEquals('user2', $customer->name);
 		$customer = Customer::find(5);
 		$this->assertNull($customer);
+		$customer = Customer::find(array('id' => array(5, 6, 1)));
+		$this->assertEquals(1, count($customer));
+		$customer = Customer::find()->where(array('id' => array(5, 6, 1)))->one();
+		$this->assertNotNull($customer);
 
 		// query scalar
 		$customerName = Customer::find()->where(array('id' => 2))->scalar('name');