Update mysql_federated.rs

Author: wubx

src/query/service/src/servers/mysql/mysql_federated.rs

@@ -242,15 +242,14 @@ impl MySQLFederated {
                 None,
             ),
             ("(?i)^(/\\* ApplicationName=(.*)SHOW VARIABLES(.*))", None),
-            // pt-toolkit
-            ("(?i)^(/\\*!40101 SET(.*) \\*/)$", None),
             // mysqldump 5.7.16
             ("(?i)^(/\\*!40100 SET(.*) \\*/)$", None),
             ("(?i)^(/\\*!40103 SET(.*) \\*/)$", None),
             ("(?i)^(/\\*!40111 SET(.*) \\*/)$", None),
             ("(?i)^(/\\*!40101 SET(.*) \\*/)$", None),
             ("(?i)^(/\\*!40014 SET(.*) \\*/)$", None),
             ("(?i)^(/\\*!40000 SET(.*) \\*/)$", None),
+            ("(?i)^(/\\*!40000 ALTER(.*) \\*/)$", None),
         ];
 
         FederatedHelper::block_match_rule(query, rules)