diff --git a/lib/Cake/Controller/Component/CookieComponent.php b/lib/Cake/Controller/Component/CookieComponent.php
index 5dcedbc02..5cde7e66f 100644
--- a/lib/Cake/Controller/Component/CookieComponent.php
+++ b/lib/Cake/Controller/Component/CookieComponent.php
@@ -558,7 +558,7 @@ class CookieComponent extends Component {
 		$first = substr($string, 0, 1);
 		if ($first === '{' || $first === '[') {
 			$ret = json_decode($string, true);
-			return ($ret) ? $ret : $string;
+			return ($ret !== null) ? $ret : $string;
 		}
 		$array = array();
 		foreach (explode(',', $string) as $pair) {
diff --git a/lib/Cake/Model/Datasource/Database/Postgres.php b/lib/Cake/Model/Datasource/Database/Postgres.php
index 8dca7c7d8..3c6b9089f 100644
--- a/lib/Cake/Model/Datasource/Database/Postgres.php
+++ b/lib/Cake/Model/Datasource/Database/Postgres.php
@@ -326,7 +326,8 @@ class Postgres extends DboSource {
 		$fullTable = $this->fullTableName($table);
 
 		$sequence = $this->value($this->getSequence($tableName, $column));
-		$this->execute("SELECT setval($sequence, (SELECT MAX(id) FROM $fullTable))");
+		$column = $this->name($column);
+		$this->execute("SELECT setval($sequence, (SELECT MAX($column) FROM $fullTable))");
 		return true;
 	}
 
diff --git a/lib/Cake/Test/Case/Controller/Component/CookieComponentTest.php b/lib/Cake/Test/Case/Controller/Component/CookieComponentTest.php
index 9b0488f57..0fd3558af 100644
--- a/lib/Cake/Test/Case/Controller/Component/CookieComponentTest.php
+++ b/lib/Cake/Test/Case/Controller/Component/CookieComponentTest.php
@@ -601,12 +601,14 @@ class CookieComponentTest extends CakeTestCase {
 		$_COOKIE['CakeTestCookie'] = array(
 			'JSON' => '{"name":"value"}',
 			'Empty' => '',
-			'String' => '{"somewhat:"broken"}'
+			'String' => '{"somewhat:"broken"}',
+			'Array' => '{}'
 		);
 		$this->assertEquals(array('name' => 'value'), $this->Cookie->read('JSON'));
 		$this->assertEquals('value', $this->Cookie->read('JSON.name'));
 		$this->assertEquals('', $this->Cookie->read('Empty'));
 		$this->assertEquals('{"somewhat:"broken"}', $this->Cookie->read('String'));
+		$this->assertEquals(array(), $this->Cookie->read('Array'));
 	}
 
 /**
diff --git a/lib/Cake/View/Helper/PaginatorHelper.php b/lib/Cake/View/Helper/PaginatorHelper.php
index fbc6354d5..ca255431b 100644
--- a/lib/Cake/View/Helper/PaginatorHelper.php
+++ b/lib/Cake/View/Helper/PaginatorHelper.php
@@ -136,7 +136,7 @@ class PaginatorHelper extends AppHelper {
 /**
  * Convenience access to any of the paginator params.
  *
- * @param string $key Key of the paginator params array to retreive.
+ * @param string $key Key of the paginator params array to retrieve.
  * @param string $model Optional model name. Uses the default if none is specified.
  * @return mixed Content of the requested param.
  * @link http://book.cakephp.org/2.0/en/core-libraries/helpers/paginator.html#PaginatorHelper::params