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modules/ps_linklist/upgrade/upgrade-5.0.php

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+<?php
+/**
+ * Copyright since 2007 PrestaShop SA and Contributors
+ * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Academic Free License version 3.0
+ * that is bundled with this package in the file LICENSE.md.
+ * It is also available through the world-wide-web at this URL:
+ * https://opensource.org/licenses/AFL-3.0
+ * 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.
+ *
+ * @author    PrestaShop SA and Contributors <contact@prestashop.com>
+ * @copyright Since 2007 PrestaShop SA and Contributors
+ * @license   https://opensource.org/licenses/AFL-3.0 Academic Free License version 3.0
+ */
+if (!defined('_PS_VERSION_')) {
+    exit;
+}
+
+function upgrade_module_5_0()
+{
+    $result = true;
+    $result &= Db::getInstance()->execute('ALTER TABLE `' . _DB_PREFIX_ . 'link_block_shop`  ADD COLUMN `position` int(10) unsigned NOT NULL DEFAULT 0');
+
+    foreach (Shop::getContextListShopID() as $shopId) {
+        $result &= Db::getInstance()->execute(
+            'INSERT INTO `' . _DB_PREFIX_ . 'link_block_shop` (`id_link_block`, `position`, `id_shop`)
+            SELECT `id_link_block`, `position`, ' . $shopId . ' FROM `' . _DB_PREFIX_ . 'link_block`
+            '
+        );
+    }
+
+    return (bool) $result;
+}