From ccab2b7af4a82cd67799f33b4f1766101d835f9d Mon Sep 17 00:00:00 2001
From: Laurent Destailleur <eldy@destailleur.fr>
Date: Wed, 12 Feb 2014 19:00:06 +0100
Subject: [PATCH] Fix: Must use "null" for value when finished is not defined
 but not when finished is "0".

---
 htdocs/product/class/product.class.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/htdocs/product/class/product.class.php b/htdocs/product/class/product.class.php
index 6a615ce01c2..e1fb258f11e 100644
--- a/htdocs/product/class/product.class.php
+++ b/htdocs/product/class/product.class.php
@@ -338,7 +338,7 @@ class Product extends CommonObject
 				$sql.= ", ".$this->status;
 				$sql.= ", ".$this->status_buy;
 				$sql.= ", '".$this->canvas."'";
-				$sql.= ", ".((! isset($this->finished) || $this->finished < 0)?'null':$this->finished);
+				$sql.= ", ".((! isset($this->finished) || $this->finished < 0 || $this->finished == '') ? 'null' : $this->finished);
 				$sql.= ")";
 
 				dol_syslog(get_class($this)."::Create sql=".$sql);