wmf: CRM-10700 use DELETE FROM instead of TRUNCATE

The performance of TRUNCATE is slower than DELETE FROM.

Probably due to

Note that this provides a way to stop hacking core
civicrm/civicrm-packages#180

CRM/ACL/BAO/Cache.php

@@ -166,11 +166,11 @@ public static function resetCache() {
     // CRM_Core_DAO::singleValueQuery("DELETE FROM civicrm_acl_contact_cache"); // Transaction-safe
     if (CRM_Core_Transaction::isActive()) {
       CRM_Core_Transaction::addCallback(CRM_Core_Transaction::PHASE_POST_COMMIT, function () {
-        CRM_Core_DAO::singleValueQuery("TRUNCATE TABLE civicrm_acl_contact_cache");
+        CRM_Core_DAO::singleValueQuery("DELETE FROM civicrm_acl_contact_cache");
       });
     }
     else {
-      CRM_Core_DAO::singleValueQuery("TRUNCATE TABLE civicrm_acl_contact_cache");
+      CRM_Core_DAO::singleValueQuery("DELETE FROM civicrm_acl_contact_cache");
     }
   }
 

CRM/Core/Config.php

@@ -348,13 +348,13 @@ public function clearModuleList() {
    */
   public static function clearDBCache() {
     $queries = [
-      'TRUNCATE TABLE civicrm_acl_cache',
-      'TRUNCATE TABLE civicrm_acl_contact_cache',
-      'TRUNCATE TABLE civicrm_cache',
-      'TRUNCATE TABLE civicrm_prevnext_cache',
+      'DELETE FROM civicrm_acl_cache',
+      'DELETE FROM civicrm_acl_contact_cache',
+      'DELETE FROM civicrm_cache',
+      'DELETE FROM civicrm_prevnext_cache',
       'UPDATE civicrm_group SET cache_date = NULL',
-      'TRUNCATE TABLE civicrm_group_contact_cache',
-      'TRUNCATE TABLE civicrm_menu',
+      'DELETE FROM civicrm_group_contact_cache',
+      'DELETE FROM civicrm_menu',
       'UPDATE civicrm_setting SET value = NULL WHERE name="navigation" AND contact_id IS NOT NULL',
     ];
 

CRM/Core/Menu.php

@@ -300,7 +300,7 @@ public static function build(&$menu) {
   public static function store($truncate = TRUE) {
     // first clean up the db
     if ($truncate) {
-      $query = 'TRUNCATE civicrm_menu';
+      $query = 'DELETE FROM civicrm_menu';
       CRM_Core_DAO::executeQuery($query);
     }
     $menuArray = self::items($truncate);