gtid_strict_mode=1

log_slave_updates=ON

log_bin=binlog

binlog_format=ROW

master_info_repository=TABLE

relay_log_info_repository=TABLE

binlog_alter_two_phase=YES

                Last_SQL_Errno: 1950

                Last_SQL_Error: An attempt was made to binlog GTID 0-112-10 which would create an out-of-order sequence number with existing GTID 0-112-10, and gtid strict mode is enabled

2022-01-26 11:01:22 6 [Note] Slave SQL thread initialized, starting replication in log 'FIRST' at position 4, relay log './galapq-relay-bin.000001' position: 4; GTID position ''

2022-01-26 11:01:22 5 [Note] Slave I/O thread: connected to master 'repl@127.0.0.1:4070',replication starts at GTID position ''

2022-01-26 11:01:44 6 [ERROR] Slave SQL: An attempt was made to binlog GTID 0-112-10 which would create an out-of-order sequence number with existing GTID 0-112-10, and gtid strict mode is enabled, Gtid 0-112-10, Internal MariaDB error code: 1950

2022-01-26 11:01:44 6 [Warning] Slave: An attempt was made to binlog GTID 0-112-10 which would create an out-of-order sequence number with existing GTID 0-112-10, and gtid strict mode is enabled Error_code: 1950

2022-01-26 11:01:44 6 [ERROR] Error running query, slave SQL thread aborted. Fix the problem, and restart the slave SQL thread with "SLAVE START". We stopped at log 'binlog.000001' position 1914; GTID position '0-112-9'

2022-01-26 11:01:44 6 [Note] Slave SQL thread exiting, replication stopped in log 'binlog.000001' at position 1914; GTID position '0-112-9', master: 127.0.0.1:4070

CREATE  TABLE t1 (a1 int, d1 int DEFAULT 0);

INSERT INTO t1 VALUES  (1,1) ;

SET binlog_alter_two_phase=YES;

ALTER  TABLE t1  WAIT 9 RENAME COLUMN a1 TO a2;

SET  binlog_alter_two_phase=NO;

ALTER  TABLE t1  ALTER COLUMN d1 DROP DEFAULT;

DROP TABLE t1;