--source include/not_embedded.inc
--source include/not_gtid_enabled.inc

# default value

RESET MASTER;
SET @start_global_value = @@global.gtid_mode;
SELECT @start_global_value;

SET @start_enforce_gtid_consistency= @@global.enforce_gtid_consistency;
SET @@global.enforce_gtid_consistency = ON;

#
# exists as global only
#
select @@global.gtid_mode;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.gtid_mode;
--error ER_GLOBAL_VARIABLE
set gtid_mode = @start_global_value;
--error ER_GLOBAL_VARIABLE
set @@session.gtid_mode = @start_global_value;
show global variables like 'gtid_mode';
show session variables like 'gtid_mode';
--disable_warnings
select * from information_schema.global_variables where variable_name='gtid_mode';
select * from information_schema.session_variables where variable_name='gtid_mode';
--enable_warnings

#
# show that it is settable and can only change at most one step at a time
#
set global gtid_mode = OFF;
--error ER_GTID_MODE_CAN_ONLY_CHANGE_ONE_STEP_AT_A_TIME
set global gtid_mode = ON_PERMISSIVE;
--error ER_GTID_MODE_CAN_ONLY_CHANGE_ONE_STEP_AT_A_TIME
set global gtid_mode = ON;

set global gtid_mode = OFF_PERMISSIVE;
set global gtid_mode = OFF_PERMISSIVE;
--error ER_GTID_MODE_CAN_ONLY_CHANGE_ONE_STEP_AT_A_TIME
set global gtid_mode = ON;

set global gtid_mode = ON_PERMISSIVE;
set global gtid_mode = ON_PERMISSIVE;
--error ER_GTID_MODE_CAN_ONLY_CHANGE_ONE_STEP_AT_A_TIME
set global gtid_mode = OFF;

set global gtid_mode = ON;
set global gtid_mode = ON;
--error ER_GTID_MODE_CAN_ONLY_CHANGE_ONE_STEP_AT_A_TIME
set global gtid_mode = OFF;
--error ER_GTID_MODE_CAN_ONLY_CHANGE_ONE_STEP_AT_A_TIME
set global gtid_mode = OFF_PERMISSIVE;

set global gtid_mode = ON_PERMISSIVE;
set global gtid_mode = OFF_PERMISSIVE;
set global gtid_mode = OFF;

--error ER_WRONG_VALUE_FOR_VAR
set global gtid_mode = NULL;
select @@global.gtid_mode;

set global gtid_mode = default;
select @@global.gtid_mode;

set global gtid_mode = OFF_PERMISSIVE;
set global gtid_mode = default;
select @@global.gtid_mode;

set global gtid_mode = OFF_PERMISSIVE;
set global gtid_mode = ON_PERMISSIVE;
--error ER_GTID_MODE_CAN_ONLY_CHANGE_ONE_STEP_AT_A_TIME
set global gtid_mode = default;
select @@global.gtid_mode;

set global gtid_mode = ON;
--error ER_GTID_MODE_CAN_ONLY_CHANGE_ONE_STEP_AT_A_TIME
set global gtid_mode = default;
select @@global.gtid_mode;

--error ER_GLOBAL_VARIABLE
set session gtid_mode = ON;

# can't set ON when sql_slave_skip_counter > 0
set global gtid_mode = on_permissive;
set global sql_slave_skip_counter = 1;
--error ER_CANT_SET_GTID_MODE
set global gtid_mode = on;
set global sql_slave_skip_counter = 0;
set global gtid_mode = on;

# can set everything except ON when enforce_gtid_consistency!=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;
--error ER_CANT_SET_GTID_MODE
set global gtid_mode = 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;
--error ER_CANT_SET_GTID_MODE
set global gtid_mode = on;


# test gtid_mode changes with autocommit off

CREATE TABLE t1 (a INT);
SET AUTOCOMMIT = 0;

## Confirm that gtid_mode cannot be changed when a transaction
## is in progress and gtid_next is set to 'UUID:No'.
SET SESSION GTID_NEXT = 'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1';
INSERT INTO t1 VALUES (1);
# transaction in progress, gtid_mode variable cannot be changed
--error ER_VARIABLE_NOT_SETTABLE_IN_TRANSACTION
SET GLOBAL GTID_MODE = 'off_permissive';
COMMIT;

## Confirm that gtid_mode cannot be changed when gtid_mode is
## set to 'UUID:No'.
SET SESSION GTID_NEXT = 'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:2';
# GTID_NEXT was set, gtid_mode variable cannot be changed
--error ER_CANT_SET_VARIABLE_WHEN_OWNING_GTID
SET GLOBAL GTID_MODE = 'off_permissive';
COMMIT;

## Confirm that gtid_mode cannot be changed during an anonymous
## transaction.
SET GTID_NEXT = 'ANONYMOUS';
--error ER_CANT_SET_VARIABLE_WHEN_OWNING_GTID
SET GLOBAL GTID_MODE = 'off_permissive';
COMMIT;

# Set back to default and cleanup
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;

#
# See rpl_gtid_mode.test for a comprehensive test case.
#