From ef4e73f9877535e1af08800e180e3ec6b7e30fa0 Mon Sep 17 00:00:00 2001
From: Menno Holtkamp <menno.holtkamp@gmail.com>
Date: Thu, 20 Mar 2014 11:08:29 +0100
Subject: [PATCH] Use boolean values for 'unique' attribute

As defined in: https://github.com/doctrine/doctrine2/blob/master/doctrine-mapping.xsd#L294

Same as 'nullable' attribute.

It was being exported as a "1" for TRUE and "0" for false
---
 lib/Doctrine/ORM/Tools/Export/Driver/XmlExporter.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Doctrine/ORM/Tools/Export/Driver/XmlExporter.php b/lib/Doctrine/ORM/Tools/Export/Driver/XmlExporter.php
index 9a7893eb7..f69eaec59 100644
--- a/lib/Doctrine/ORM/Tools/Export/Driver/XmlExporter.php
+++ b/lib/Doctrine/ORM/Tools/Export/Driver/XmlExporter.php
@@ -193,7 +193,7 @@ class XmlExporter extends AbstractExporter
                 }
 
                 if (isset($field['unique']) && $field['unique']) {
-                    $fieldXml->addAttribute('unique', $field['unique']);
+                    $fieldXml->addAttribute('unique', $field['unique'] ? 'true' : 'false');
                 }
 
                 if (isset($field['options'])) {