Remove TODO for use of TRUNCATE and replace with comment

The new comment explain why truncate is not possible

Change-Id: I8dacff0784a07a0e20a4da0cc71043379ded6eb0

diff --git a/includes/MessageBlobStore.php b/includes/MessageBlobStore.php
index 8a8142b..7e1c745 100644 (file)
--- a/includes/MessageBlobStore.php
+++ b/includes/MessageBlobStore.php
@@ -242,8 +242,9 @@ class MessageBlobStore {
 
        public static function clear() {
                // TODO: Give this some more thought
-               // TODO: Is TRUNCATE better?
                try {
+                       // Not using TRUNCATE, because that needs extra permissions,
+                       // which maybe not granted to the database user.
                        $dbw = wfGetDB( DB_MASTER );
                        $dbw->delete( 'msg_resource', '*', __METHOD__ );
                        $dbw->delete( 'msg_resource_links', '*', __METHOD__ );