_TYPE replication field
ALTER TABLE slave_relay_log_info ADD Assign_gtids_to_anonymous_transactions_type ENUM('OFF', 'LOCAL', 'UUID')  NOT NULL DEFAULT 'OFF' COMMENT 'Indicates whether the channel will generate a new GTID for anonymous transactions. OFF means that anonymous transactions will remain anonymous. LOCAL means that anonymous transactions will be assigned a newly generated GTID based on server_uuid. UUID indicates that anonymous transactions will be assigned a newly generated GTID based on Assign_gtids_to_anonymous_transactions_value' AFTER Require_table_primary_key_check;