diff --git a/install-new/classes/xmlLoader.php b/install-new/classes/xmlLoader.php
index b55a5294c..55034ee27 100644
--- a/install-new/classes/xmlLoader.php
+++ b/install-new/classes/xmlLoader.php
@@ -391,11 +391,11 @@ class InstallXmlLoader
 	{
 		foreach ($this->delayed_inserts as $entity => $queries)
 		{
-			$type = 'INSERT IGNORE';
+			$type = Db::INSERT_IGNORE;
 			if ($entity == 'access')
-				$type = 'REPLACE';
+				$type = Db::REPLACE;
 
-			if (!Db::getInstance()->autoExecute(_DB_PREFIX_.$entity, $queries, $type))
+			if (!Db::getInstance()->insert($entity, $queries, false, true, $type))
 				$this->setError($this->language->l('An SQL error occured for entity <i>%1$s</i>: <i>%2$s</i>', $entity, Db::getInstance()->getMsgError()));
 			unset($this->delayed_inserts[$entity]);
 		}
diff --git a/install-new/upgrade/php/generate_root_category_for_multishop.php b/install-new/upgrade/php/generate_root_category_for_multishop.php
index 33a933524..bec22ab7d 100644
--- a/install-new/upgrade/php/generate_root_category_for_multishop.php
+++ b/install-new/upgrade/php/generate_root_category_for_multishop.php
@@ -32,7 +32,7 @@ function generate_root_category_for_multishop()
 				'name' => 'Root',
 				'link_rewrite' => '',
 			);
-	Db::getInstance()->autoExecute(_DB_PREFIX_.'category_lang', $data, 'INSERT');
+	Db::getInstance()->insert('category_lang', $data);
 
 	$categories = Db::getInstance()->executeS('
 		SELECT `id_category`
@@ -45,7 +45,7 @@ function generate_root_category_for_multishop()
 				'id_category' => $category['id_category'],
 				'id_shop' => $shop['id_shop']
 			);
-	Db::getInstance()->autoExecute(_DB_PREFIX_.'category_shop', $data, 'INSERT');
+	Db::getInstance()->insert('category_shop', $data);
 
 	Db::getInstance()->execute('
 		UPDATE `'._DB_PREFIX_.'category`
diff --git a/install-new/upgrade/php/generate_tax_rules.php b/install-new/upgrade/php/generate_tax_rules.php
index 044ff4a63..343f8517b 100644
--- a/install-new/upgrade/php/generate_tax_rules.php
+++ b/install-new/upgrade/php/generate_tax_rules.php
@@ -40,7 +40,7 @@ function generate_tax_rules()
 			'id_tax' => $id_tax,
 			'name' => 'Rule '.$tax['rate'].'%',
 		);
-		Db::getInstance()->AutoExecute(_DB_PREFIX_.'category_group', $row, 'INSERT');
+		Db::getInstance()->insert('category_group', $row);
 		$id_tax_rules_group = Db::getInstance()->insert_id;
 
 
diff --git a/install-new/upgrade/php/migrate_block_info_to_cms_block.php b/install-new/upgrade/php/migrate_block_info_to_cms_block.php
index 6419e17fe..eae462321 100644
--- a/install-new/upgrade/php/migrate_block_info_to_cms_block.php
+++ b/install-new/upgrade/php/migrate_block_info_to_cms_block.php
@@ -44,8 +44,8 @@ function migrate_block_info_to_cms_block()
 			FROM `'._DB_PREFIX_.'configuration`
 			WHERE name="PS_LANG_DEFAULT"');
 		// 2) parent::install()
-		$result = Db::getInstance()->AutoExecute(_DB_PREFIX_.'module', 
-			array('name' => 'blockcms', 'active' => 1), 'INSERT');
+		$result = Db::getInstance()->insert('module',
+			array('name' => 'blockcms', 'active' => 1));
 		$id_module = Db::getInstance()->insert_Id();
 		// 3) hooks
 		$hooks = array('leftColumn', 'rightColumn', 'footer', 'header');
@@ -56,7 +56,7 @@ function migrate_block_info_to_cms_block()
 				FROM  `'._DB_PREFIX_.'hook_module` hm
 				LEFT JOIN `'._DB_PREFIX_.'hook` h on hm.id_hook=h.id_hook
 				WHERE h.name = "'.$hook_name.'" group by id_hook');
-			$res &= Db::getInstance()->AutoExecute(_DB_PREFIX_.'hook_module', $row, 'INSERT');
+			$res &= Db::getInstance()->insert('hook_module', $row);
 		}
 
 		// module install
diff --git a/install-new/upgrade/php/module_reinstall_blockmyaccount.php b/install-new/upgrade/php/module_reinstall_blockmyaccount.php
index 1160fd549..4809d094d 100644
--- a/install-new/upgrade/php/module_reinstall_blockmyaccount.php
+++ b/install-new/upgrade/php/module_reinstall_blockmyaccount.php
@@ -43,7 +43,7 @@ function module_reinstall_blockmyaccount()
 				FROM  `'._DB_PREFIX_.'hook_module` hm
 				LEFT JOIN `'._DB_PREFIX_.'hook` h on hm.id_hook=h.id_hook
 				WHERE h.name = "'.$hook_name.'" group by id_hook');
-			$res &= Db::getInstance()->AutoExecute(_DB_PREFIX_.'hook_module', $row, 'INSERT');
+			$res &= Db::getInstance()->insert('hook_module', $row);
 		}
 		return $res;
 	}
diff --git a/install-new/upgrade/php/module_reinstall_blocksearch.php b/install-new/upgrade/php/module_reinstall_blocksearch.php
index 879699e4b..dc70fa6a9 100644
--- a/install-new/upgrade/php/module_reinstall_blocksearch.php
+++ b/install-new/upgrade/php/module_reinstall_blocksearch.php
@@ -43,7 +43,7 @@ function module_reinstall_blocksearch()
 				FROM  `'._DB_PREFIX_.'hook_module` hm
 				LEFT JOIN `'._DB_PREFIX_.'hook` h on hm.id_hook=h.id_hook
 				WHERE h.name = "'.$hook_name.'" group by id_hook');
-			$res &= Db::getInstance()->AutoExecute(_DB_PREFIX_.'hook_module', $row, 'INSERT');
+			$res &= Db::getInstance()->insert('hook_module', $row);
 		}
 		return $res;
 	}
diff --git a/install-new/upgrade/php/setAllGroupsOnHomeCategory.php b/install-new/upgrade/php/setAllGroupsOnHomeCategory.php
index 892807ca9..169c13e28 100755
--- a/install-new/upgrade/php/setAllGroupsOnHomeCategory.php
+++ b/install-new/upgrade/php/setAllGroupsOnHomeCategory.php
@@ -35,13 +35,13 @@ function setAllGroupsOnHomeCategory()
 	foreach ($results AS $result)
 		$groups[] = $result['id_group'];
 
-	if (is_array($groups) && sizeof($groups))
+	if (is_array($groups) && count($groups))
 	{
 		// cleanGroups
 		Db::getInstance()->execute('DELETE FROM `'._DB_PREFIX_.'category_group` 
 			WHERE `id_category` = 1');
 		// addGroups($groups);
-		$row = array('id_category' => 1, 'id_group' => (int)($groups));
-		Db::getInstance()->autoExecute(_DB_PREFIX_.'category_group', $row, 'INSERT');
+		$row = array('id_category' => 1, 'id_group' => (int)$groups);
+		Db::getInstance()->insert('category_group', $row);
 	}
 }