(
    Channel_name CHAR(64) CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci NOT NULL COMMENT 'The replication channel name that connects source and replica.',
    Managed_name CHAR(64) CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci NOT NULL DEFAULT '' COMMENT 'The name of the source which needs to be managed.',
    Managed_type CHAR(64) CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci NOT NULL DEFAULT '' COMMENT 'Determines the managed type.',
    Configuration JSON DEFAULT NULL COMMENT 'The data to help manage group. For Managed_type = GroupReplication, Configuration value should contain {\"Primary_weight\": 80, \"Secondary_weight\": 60}, so that it assigns weight=80 to PRIMARY of the group, and weight=60 for rest of the members in mysql.replication_asynchronous_connection_failover table.',
    PRIMARY KEY(Channel_name, Managed_name)) DEFAULT CHARSET=utf8mb3 STATS_PERSISTENT=0 COMMENT 'The managed source configuration details'";