diff --git a/install-dev/upgrade/php/p15012_add_missing_columns.php b/install-dev/upgrade/php/p15012_add_missing_columns.php
new file mode 100644
index 000000000..1be24eb4a
--- /dev/null
+++ b/install-dev/upgrade/php/p15012_add_missing_columns.php
@@ -0,0 +1,209 @@
+<?php
+/*
+* 2007-2012 PrestaShop
+*
+* NOTICE OF LICENSE
+*
+* This source file is subject to the Open Software License (OSL 3.0)
+* that is bundled with this package in the file LICENSE.txt.
+* It is also available through the world-wide-web at this URL:
+* http://opensource.org/licenses/osl-3.0.php
+* If you did not receive a copy of the license and are unable to
+* obtain it through the world-wide-web, please send an email
+* to license@prestashop.com so we can send you a copy immediately.
+*
+* DISCLAIMER
+*
+* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
+* versions in the future. If you wish to customize PrestaShop for your
+* needs please refer to http://www.prestashop.com for more information.
+*
+*  @author PrestaShop SA <contact@prestashop.com>
+*  @copyright  2007-2012 PrestaShop SA
+*  @version  Release: $Revision$
+*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
+*  International Registered Trademark & Property of PrestaShop SA
+*/
+
+function p15012_add_missing_columns()
+{
+	$errors = array();
+	$res = true;
+	$db = Db::getInstance();
+	$q_list = array();
+	// columns must exists
+	$q_list['carrier']['id_reference']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'carrier`
+		CHANGE `id_reference` `id_reference` int(10) unsigned NOT NULL';
+	$q_list['carrier']['id_reference']['add'] = 'ALTER TABLE `'._DB_PREFIX_.'carrier`
+		ADD `id_reference` int(10) unsigned NOT NULL';
+	$q_list['carrier']['id_tax_rules_group']['add'] = 'ALTER TABLE `'._DB_PREFIX_.'carrier` 
+		ADD `id_tax_rules_group` INT(10) unsigned DEFAULT "0" AFTER `id_reference`';
+
+	$q_list['cart']['order_reference']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'cart` 
+		DROP COLUMN `order_reference`';
+
+	$q_list['cart']['id_shop_group']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'cart` 
+		CHANGE `id_shop_group` `id_shop_group` int(11) unsigned NOT NULL DEFAULT "1"';
+	$q_list['cart']['id_shop_group']['add'] = 'ALTER TABLE `'._DB_PREFIX_.'cart` 
+		ADD `id_shop_group` int(11) unsigned NOT NULL DEFAULT "1"';
+
+	$q_list['cart_product']['id_shop']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'cart_product` 
+		CHANGE `id_shop` `id_shop` int(10) unsigned NOT NULL DEFAULT "1" AFTER `id_address_delivery`';
+	$q_list['cart_product']['id_shop']['add'] = 'ALTER TABLE `'._DB_PREFIX_.'cart_product` 
+		ADD `id_shop` `id_shop` int(10) unsigned NOT NULL DEFAULT "1" AFTER `id_address_delivery`';
+	$q_list['cart_product']['id_product_attribute']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'cart_product`
+		CHANGE `id_product_attribute` `id_product_attribute` int(10) unsigned DEFAULT NULL AFTER `id_shop`';
+	$q_list['cart_product']['id_product_attribute']['add'] = 'ALTER TABLE `'._DB_PREFIX_.'cart_product`
+		ADD `id_product_attribute` int(10) unsigned DEFAULT NULL AFTER `id_shop`';
+	
+	$q_list['cart_rule_product_rule']['quantity']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'cart_rule_product_rule` 
+		DROP COLUMN `quantity`';
+
+	$q_list['connections']['id_shop_group']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'connections`
+		CHANGE id_shop_group `id_shop_group` int(11) unsigned NOT NULL DEFAULT "1" AFTER id_connections';
+	
+	$q_list['country']['display_tax_label']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'country`
+		CHANGE display_tax_label `display_tax_label` tinyint(1) NOT NULL AFTER zip_code_format';
+
+  $q_list['currency']['active']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'currency`
+		CHANGE active active tinyint(1) unsigned NOT NULL DEFAULT "1"';
+
+  $q_list['customer']['id_shop_group']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'customer`
+		CHANGE id_shop_group id_shop_group int(11) unsigned NOT NULL DEFAULT "1"';
+
+  $q_list['employee']['bo_uimode']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'employee`
+		DROP `bo_uimode`';
+
+  $q_list['meta_lang']['url_rewrite']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'meta_lang`
+		CHANGE url_rewrite url_rewrite varchar(254) NOT NULL';
+
+  $q_list['order_detail']['id_warehouse']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'order_detail`
+		CHANGE `id_warehouse` id_warehouse  int(10) unsigned DEFAULT "0"';
+  $q_list['order_detail']['reduction_amount_tax_incl']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'order_detail`
+		CHANGE `reduction_amount_tax_incl` reduction_amount_tax_incl DEC(20,6) NOT NULL DEFAULT "0.000000"';
+  $q_list['order_detail']['reduction_amount_tax_excl']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'order_detail`
+		CHANGE `reduction_amount_tax_excl` reduction_amount_tax_excl DEC(20,6) NOT NULL DEFAULT "0.000000"';
+	
+	$q_list['order_detail']['ecotax_tax_rate']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'order_detail`
+		CHANGE `ecotax_tax_rate` ecotax_tax_rate DEC(5,3) NOT NULL DEFAULT "0.000"';
+
+	$q_list['order_detail']['total_price_tax_incl']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'order_detail`
+		CHANGE `total_price_tax_incl` total_price_tax_incl DEC(20,6) NOT NULL DEFAULT "0.000000"';
+	$q_list['order_detail']['total_price_tax_excl']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'order_detail`
+		CHANGE `total_price_tax_excl` total_price_tax_excl DEC(20,6) NOT NULL DEFAULT "0.000000"';
+	$q_list['order_detail']['unit_price_tax_incl']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'order_detail`
+		CHANGE `unit_price_tax_incl` unit_price_tax_incl DEC(20,6) NOT NULL DEFAULT "0.000000"';
+	$q_list['order_detail']['unit_price_tax_excl']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'order_detail`
+		CHANGE `unit_price_tax_excl` unit_price_tax_excl DEC(20,6) NOT NULL DEFAULT "0.000000"';
+	$q_list['order_detail']['total_shipping_price_tax_incl']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'order_detail`
+		CHANGE `total_shipping_price_tax_incl` total_shipping_price_tax_incl DEC(20,6) NOT NULL DEFAULT "0.000000"';
+	$q_list['order_detail']['total_shipping_price_tax_excl']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'order_detail`
+		CHANGE `total_shipping_price_tax_excl` total_shipping_price_tax_excl DEC(20,6) NOT NULL DEFAULT "0.000000"';
+	$q_list['order_detail']['purchase_supplier_price']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'order_detail`
+		CHANGE `purchase_supplier_price` purchase_supplier_price DEC(20,6) NOT NULL DEFAULT "0.000000"';
+	$q_list['order_detail']['original_product_price']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'order_detail`
+		CHANGE `original_product_price` original_product_price DEC(20,6) NOT NULL DEFAULT "0.000000"';
+
+
+	$q_list['order_detail_tax']['unit_amount']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'order_detail_tax`
+		CHANGE `unit_amount` unit_amount DEC(10,6) NOT NULL DEFAULT "0.000000"';
+	$q_list['order_detail_tax']['total_amount']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'order_detail_tax`
+		CHANGE `total_amount` unit_amount DEC(10,6) NOT NULL DEFAULT "0.000000"';
+
+  $q_list['order_invoice']['note']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'order_invoice`
+		CHANGE `note` note text';
+
+  $q_list['order_payment']['id_order_invoice']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'order_payment`
+		CHANGE `id_order_invoice` id_order_invoice int(10) unsigned DEFAULT NULL';
+
+  $q_list['orders']['reference']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'orders`
+		CHANGE `reference` reference varchar(9) DEFAULT NULL,';
+  $q_list['orders']['id_shop_group']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'orders`
+		CHANGE `id_shop_group` id_shop_group int(11) unsigned NOT NULL DEFAULT "1"';
+
+
+  $q_list['product']['unity']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'product`
+		CHANGE `unity` unity varchar(255) DEFAULT NULL';
+
+  $q_list['product']['width']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'product`
+		CHANGE `width` `width` float NOT NULL DEFAULT "0"';
+
+  $q_list['product']['height']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'product`
+		CHANGE `height` `height` float NOT NULL DEFAULT "0"';
+
+  $q_list['product']['depth']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'product`
+		CHANGE `depth` `depth` float NOT NULL DEFAULT "0"';
+
+  $q_list['product']['minimal_quantity']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'product`
+		CHANGE `minimal_quantity` `minimal_quantity` int(10) unsigned NOT NULL DEFAULT "1"';
+
+  $q_list['product_attribute']['ecotax']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'product_attribute`
+		CHANGE `ecotax` ecotax decimal(17,6) NOT NULL DEFAULT "0.000000"';
+
+  $q_list['stock_mvt_reason']['id_stock_mvt_reason']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'id_stock_mvt_reason`
+		CHANGE `id_stock_mvt_reason` id_stock_mvt_reason int(11) unsigned NOT NULL';
+
+  $q_list['stock_mvt_reason_lang']['id_stock_mvt_reason']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'id_stock_mvt_reason_lang`
+		CHANGE `id_stock_mvt_reason` id_stock_mvt_reason int(11) unsigned NOT NULL';
+
+  $q_list['stock_mvt_reason_lang']['id_lang']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'id_stock_mvt_reason_lang`
+		CHANGE `id_lang` id_lang int(11) unsigned NOT NULL';
+
+  $q_list['supply_order']['reference']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'supply_order`
+		CHANGE `reference` reference varchar(64) NOT NULL';
+
+  $q_list['tax']['deleted']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'tax`
+		CHANGE `deleted` deleted tinyint(1) unsigned NOT NULL DEFAULT "0"';
+
+  $q_list['carrier']['need_range']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'carrier`
+		CHANGE `need_range` need_range tinyint(1) unsigned NOT NULL DEFAULT "0" AFTER shipping_external';
+
+
+/* 
+  $q_list['cart_product']['']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'TABLE `
+		DROP ``';
+	$q_list['TABLE']['']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'TABLE `
+		DROP ``';
+	$q_list['TABLE']['']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'TABLE `
+		DROP ``';
+	$q_list['TABLE']['']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'TABLE `
+		DROP ``';
+	$q_list['TABLE']['']['mod'] = 'ALTER TABLE `'._DB_PREFIX_.'TABLE `
+		DROP ``';
+ */
+	// column must NOT exists
+
+
+	foreach($q_list as $table => $cols)
+	{
+		if (empty($table))
+			continue;
+		$list_fields = $db->executeS('SHOW FIELDS FROM `'._DB_PREFIX_.$table.'`');
+		foreach($list_fields as $k => $field)
+			$list_fields[$k] = $field['Field'];
+		foreach ($cols as $col => $q)
+		{
+			// do only if column exists
+			if (in_array($col, $list_fields))
+				$do = 'mod';
+			else
+				$do = 'add';
+
+			if(!empty($q[$do]))
+			{
+				if (!$db->execute($q[$do]))
+					$errors[] = $db->getMsgError();
+			}
+		}
+	}
+
+	if(!$res)
+		$msg = implode('<br/>', $errors);
+	else
+		$msg = '';
+	if (!$res)
+		return array('error' => $res, 'msg' => $msg);
+	else
+		return true;
+}
+
diff --git a/install-dev/upgrade/sql/1.5.0.12.sql b/install-dev/upgrade/sql/1.5.0.12.sql
index d1b488778..b76b1c0c5 100644
--- a/install-dev/upgrade/sql/1.5.0.12.sql
+++ b/install-dev/upgrade/sql/1.5.0.12.sql
@@ -59,3 +59,6 @@ UPDATE `PREFIX_tab` SET `class_name`="AdminShopGroup" WHERE class_name="AdminGro
 /* PHP:upgrade_cms_15_rename(); */;
 /* PHP:migrate_tabs_multi_shop(); */;
 /* PHP:add_default_restrictions_modules_groups(); */;
+
+/* PHP:p15012_add_missing_columns(); */;
+