bug #22451 (Partitions: duplicating results with ENGINE=FEDERATED)

As presently PARTITIONS + FEDERATED just doesn't work i added error message
to inform user about that.
Should be enabled again after releted WL's completion.

mysql-test/r/partition_federated.result

+drop table if exists t1;
+create table t1 (s1 int) engine=federated
+connection='mysql://root@localhost/federated/t1' partition by list (s1)
+(partition p1 values in (1), partition p2 values in (2));
+ERROR HY000: Engine cannot be used in partitioned tables
+End of 5.1 tests

mysql-test/t/partition_federated.test

+#
+# Tests for partitioned FEDERATED
+#
+-- source include/have_partition.inc
+-- source include/not_embedded.inc
+-- source include/have_federated_db.inc
+
+--disable_warnings
+drop table if exists t1;
+--enable_warnings
+
+#
+# Bug #22451 Partitions: duplicate results with engine=federated 
+#
+
+--error ER_PARTITION_MERGE_ERROR
+create table t1 (s1 int) engine=federated
+connection='mysql://root@localhost/federated/t1' partition by list (s1)
+(partition p1 values in (1), partition p2 values in (2));
+
+--echo End of 5.1 tests

storage/federated/ha_federated.cc

@@ -406,7 +406,7 @@ int federated_db_init(void *p)
   federated_hton->commit= federated_commit;
   federated_hton->rollback= federated_rollback;
   federated_hton->create= federated_create_handler;
-  federated_hton->flags= HTON_ALTER_NOT_SUPPORTED;
+  federated_hton->flags= HTON_ALTER_NOT_SUPPORTED | HTON_NO_PARTITION;
 
   if (pthread_mutex_init(&federated_mutex, MY_MUTEX_INIT_FAST))
     goto error;