update

modules/pagecache/upgrade/Upgrade-8.5.3.php

@@ -0,0 +1,26 @@
+<?php
+/**
+ * Page Cache Ultimate, Page Cache standard and Speed pack are powered by Jpresta (jpresta . com)
+ *
+ *    @author    Jpresta
+ *    @copyright Jpresta
+ *    @license   See the license of this module in file LICENSE.txt, thank you.
+ */
+
+use JPresta\SpeedPack\JprestaUtils;
+
+if (!defined('_PS_VERSION_')) {exit;}
+
+/*
+ * Add a primary key to backlinks table
+ */
+function upgrade_module_8_5_3($module)
+{
+    $ret = true;
+
+    if (!JprestaUtils::dbColumnExists(_DB_PREFIX_ . PageCacheDAO::TABLE_BACKLINK, 'id_bl')) {
+        JprestaUtils::dbExecuteSQL('ALTER TABLE `' . _DB_PREFIX_ . PageCacheDAO::TABLE_BACKLINK . '` ADD `id_bl` INT UNSIGNED NOT NULL AUTO_INCREMENT FIRST, ADD PRIMARY KEY (`id_bl`)');
+    }
+
+    return $ret;
+}