From 514c128957a670efa1ca9584df4f64083342df51 Mon Sep 17 00:00:00 2001
From: Taylor Otwell <taylorotwell@gmail.com>
Date: Thu, 14 Jul 2011 06:30:07 -0700
Subject: [PATCH] Fixed bug in bindings that was causing null to be saved as 0
 in MySQL.

---
 system/db.php | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/system/db.php b/system/db.php
index 4769fc74..c4460513 100644
--- a/system/db.php
+++ b/system/db.php
@@ -52,7 +52,21 @@ public static function query($sql, $bindings = array(), $connection = null)
 	{
 		$query = static::connection($connection)->prepare($sql);
 
-		$result = $query->execute($bindings);
+		$bindings = array_values($bindings);
+
+		foreach ($bindings as $key => &$binding)
+		{
+			if (is_null($binding))
+			{
+				$query->bindValue($key + 1, null, \PDO::PARAM_INT);
+			}
+			else
+			{
+				$query->bindParam($key + 1, $binding);
+			}
+		}
+
+		$result = $query->execute();
 
 		if (strpos(strtoupper($sql), 'SELECT') === 0)
 		{