# start a new learner
# connect leader
call dbms_consensus.add_learner(learner_cluster_info);
# start a new learner
# connect leader
call dbms_consensus.add_learner(learner_cluster_info);
call dbms_consensus.configure_learner(learner_cluster_info_100, "127.0.0.1:PAXOS_PORT_2");
call dbms_consensus.configure_learner(learner_cluster_info, learner_cluster_info_100);
select server_id, role, learner_source from information_schema.alisql_cluster_global;
server_id	role	learner_source
1	Leader	0
2	Follower	0
3	Follower	0
100	Learner	2
101	Learner	100
call dbms_consensus.drop_learner(learner_cluster_info_100);
call dbms_consensus.drop_learner(learner_cluster_info);