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RESET MASTER; SET @start_global_value = @@global.gtid_mode; SELECT @start_global_value; @start_global_value OFF SET @start_enforce_gtid_consistency= @@global.enforce_gtid_consistency; SET @@global.enforce_gtid_consistency = ON; select @@global.gtid_mode; @@global.gtid_mode OFF select @@session.gtid_mode; ERROR HY000: Variable 'gtid_mode' is a GLOBAL variable set gtid_mode = @start_global_value; ERROR HY000: Variable 'gtid_mode' is a GLOBAL variable and should be set with SET GLOBAL set @@session.gtid_mode = @start_global_value; ERROR HY000: Variable 'gtid_mode' is a GLOBAL variable and should be set with SET GLOBAL show global variables like 'gtid_mode'; Variable_name Value gtid_mode OFF show session variables like 'gtid_mode'; Variable_name Value gtid_mode OFF select * from information_schema.global_variables where variable_name='gtid_mode'; VARIABLE_NAME VARIABLE_VALUE GTID_MODE OFF select * from information_schema.session_variables where variable_name='gtid_mode'; VARIABLE_NAME VARIABLE_VALUE GTID_MODE OFF set global gtid_mode = OFF; set global gtid_mode = ON_PERMISSIVE; ERROR HY000: The value of @@GLOBAL.GTID_MODE can only be changed one step at a time: OFF <-> OFF_PERMISSIVE <-> ON_PERMISSIVE <-> ON. Also note that this value must be stepped up or down simultaneously on all servers. See the Manual for instructions. set global gtid_mode = ON; ERROR HY000: The value of @@GLOBAL.GTID_MODE can only be changed one step at a time: OFF <-> OFF_PERMISSIVE <-> ON_PERMISSIVE <-> ON. Also note that this value must be stepped up or down simultaneously on all servers. See the Manual for instructions. set global gtid_mode = OFF_PERMISSIVE; set global gtid_mode = OFF_PERMISSIVE; set global gtid_mode = ON; ERROR HY000: The value of @@GLOBAL.GTID_MODE can only be changed one step at a time: OFF <-> OFF_PERMISSIVE <-> ON_PERMISSIVE <-> ON. Also note that this value must be stepped up or down simultaneously on all servers. See the Manual for instructions. set global gtid_mode = ON_PERMISSIVE; set global gtid_mode = ON_PERMISSIVE; set global gtid_mode = OFF; ERROR HY000: The value of @@GLOBAL.GTID_MODE can only be changed one step at a time: OFF <-> OFF_PERMISSIVE <-> ON_PERMISSIVE <-> ON. Also note that this value must be stepped up or down simultaneously on all servers. See the Manual for instructions. set global gtid_mode = ON; set global gtid_mode = ON; set global gtid_mode = OFF; ERROR HY000: The value of @@GLOBAL.GTID_MODE can only be changed one step at a time: OFF <-> OFF_PERMISSIVE <-> ON_PERMISSIVE <-> ON. Also note that this value must be stepped up or down simultaneously on all servers. See the Manual for instructions. set global gtid_mode = OFF_PERMISSIVE; ERROR HY000: The value of @@GLOBAL.GTID_MODE can only be changed one step at a time: OFF <-> OFF_PERMISSIVE <-> ON_PERMISSIVE <-> ON. Also note that this value must be stepped up or down simultaneously on all servers. See the Manual for instructions. set global gtid_mode = ON_PERMISSIVE; set global gtid_mode = OFF_PERMISSIVE; set global gtid_mode = OFF; set global gtid_mode = NULL; ERROR 42000: Variable 'gtid_mode' can't be set to the value of 'NULL' select @@global.gtid_mode; @@global.gtid_mode OFF set global gtid_mode = default; select @@global.gtid_mode; @@global.gtid_mode OFF set global gtid_mode = OFF_PERMISSIVE; set global gtid_mode = default; select @@global.gtid_mode; @@global.gtid_mode OFF set global gtid_mode = OFF_PERMISSIVE; set global gtid_mode = ON_PERMISSIVE; set global gtid_mode = default; ERROR HY000: The value of @@GLOBAL.GTID_MODE can only be changed one step at a time: OFF <-> OFF_PERMISSIVE <-> ON_PERMISSIVE <-> ON. Also note that this value must be stepped up or down simultaneously on all servers. See the Manual for instructions. select @@global.gtid_mode; @@global.gtid_mode ON_PERMISSIVE set global gtid_mode = ON; set global gtid_mode = default; ERROR HY000: The value of @@GLOBAL.GTID_MODE can only be changed one step at a time: OFF <-> OFF_PERMISSIVE <-> ON_PERMISSIVE <-> ON. Also note that this value must be stepped up or down simultaneously on all servers. See the Manual for instructions. select @@global.gtid_mode; @@global.gtid_mode ON set session gtid_mode = ON; ERROR HY000: Variable 'gtid_mode' is a GLOBAL variable and should be set with SET GLOBAL set global gtid_mode = on_permissive; set global sql_slave_skip_counter = 1; set global gtid_mode = on; ERROR HY000: SET @@GLOBAL.GTID_MODE = ON is not allowed because @@GLOBAL.SQL_SLAVE_SKIP_COUNTER is greater than zero. set global sql_slave_skip_counter = 0; set global gtid_mode = on; set global gtid_mode = on_permissive; SET @@global.enforce_gtid_consistency = OFF; set global gtid_mode = off_permissive; set global gtid_mode = off; set global gtid_mode = off_permissive; set global gtid_mode = on_permissive; set global gtid_mode = on; ERROR HY000: SET @@GLOBAL.GTID_MODE = ON is not allowed because ENFORCE_GTID_CONSISTENCY is not ON. SET @@global.enforce_gtid_consistency = WARN; set global gtid_mode = off_permissive; set global gtid_mode = off; set global gtid_mode = off_permissive; set global gtid_mode = on_permissive; set global gtid_mode = on; ERROR HY000: SET @@GLOBAL.GTID_MODE = ON is not allowed because ENFORCE_GTID_CONSISTENCY is not ON. CREATE TABLE t1 (a INT); SET AUTOCOMMIT = 0; SET SESSION GTID_NEXT = 'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1'; INSERT INTO t1 VALUES (1); SET GLOBAL GTID_MODE = 'off_permissive'; ERROR HY000: The system variable gtid_mode cannot be set when there is an ongoing transaction. COMMIT; SET SESSION GTID_NEXT = 'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:2'; SET GLOBAL GTID_MODE = 'off_permissive'; ERROR HY000: Variable gtid_mode cannot be changed by a client that owns a GTID. The client owns aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:2. Ownership is released on COMMIT or ROLLBACK. COMMIT; SET GTID_NEXT = 'ANONYMOUS'; SET GLOBAL GTID_MODE = 'off_permissive'; ERROR HY000: Variable gtid_mode cannot be changed by a client that owns a GTID. The client owns ANONYMOUS. Ownership is released on COMMIT or ROLLBACK. COMMIT; SET AUTOCOMMIT = 1; SET SESSION GTID_NEXT = 'AUTOMATIC'; DROP TABLE t1; SET GLOBAL GTID_MODE ='off_permissive'; SET GLOBAL GTID_MODE = 'off'; SET @@global.enforce_gtid_consistency = @start_enforce_gtid_consistency;