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Current File : //usr/opt/mysql57/mysql-test/suite/sys_vars/r/innodb_flush_sync_basic.result

SET @start_global_value = @@global.innodb_flush_sync;
SELECT @start_global_value;
@start_global_value
1
Valid values are 'ON' and 'OFF'
select @@global.innodb_flush_sync in (0, 1);
@@global.innodb_flush_sync in (0, 1)
1
select @@global.innodb_flush_sync;
@@global.innodb_flush_sync
1
select @@session.innodb_flush_sync;
ERROR HY000: Variable 'innodb_flush_sync' is a GLOBAL variable
show global variables like 'innodb_flush_sync';
Variable_name	Value
innodb_flush_sync	ON
show session variables like 'innodb_flush_sync';
Variable_name	Value
innodb_flush_sync	ON
select * from information_schema.global_variables where variable_name='innodb_flush_sync';
VARIABLE_NAME	VARIABLE_VALUE
INNODB_FLUSH_SYNC	ON
select * from information_schema.session_variables where variable_name='innodb_flush_sync';
VARIABLE_NAME	VARIABLE_VALUE
INNODB_FLUSH_SYNC	ON
set global innodb_flush_sync='OFF';
select @@global.innodb_flush_sync;
@@global.innodb_flush_sync
0
select * from information_schema.global_variables where variable_name='innodb_flush_sync';
VARIABLE_NAME	VARIABLE_VALUE
INNODB_FLUSH_SYNC	OFF
select * from information_schema.session_variables where variable_name='innodb_flush_sync';
VARIABLE_NAME	VARIABLE_VALUE
INNODB_FLUSH_SYNC	OFF
set @@global.innodb_flush_sync=1;
select @@global.innodb_flush_sync;
@@global.innodb_flush_sync
1
select * from information_schema.global_variables where variable_name='innodb_flush_sync';
VARIABLE_NAME	VARIABLE_VALUE
INNODB_FLUSH_SYNC	ON
select * from information_schema.session_variables where variable_name='innodb_flush_sync';
VARIABLE_NAME	VARIABLE_VALUE
INNODB_FLUSH_SYNC	ON
set global innodb_flush_sync=0;
select @@global.innodb_flush_sync;
@@global.innodb_flush_sync
0
select * from information_schema.global_variables where variable_name='innodb_flush_sync';
VARIABLE_NAME	VARIABLE_VALUE
INNODB_FLUSH_SYNC	OFF
select * from information_schema.session_variables where variable_name='innodb_flush_sync';
VARIABLE_NAME	VARIABLE_VALUE
INNODB_FLUSH_SYNC	OFF
set @@global.innodb_flush_sync='ON';
select @@global.innodb_flush_sync;
@@global.innodb_flush_sync
1
select * from information_schema.global_variables where variable_name='innodb_flush_sync';
VARIABLE_NAME	VARIABLE_VALUE
INNODB_FLUSH_SYNC	ON
select * from information_schema.session_variables where variable_name='innodb_flush_sync';
VARIABLE_NAME	VARIABLE_VALUE
INNODB_FLUSH_SYNC	ON
set session innodb_flush_sync='OFF';
ERROR HY000: Variable 'innodb_flush_sync' is a GLOBAL variable and should be set with SET GLOBAL
set @@session.innodb_flush_sync='ON';
ERROR HY000: Variable 'innodb_flush_sync' is a GLOBAL variable and should be set with SET GLOBAL
set global innodb_flush_sync=1.1;
ERROR 42000: Incorrect argument type to variable 'innodb_flush_sync'
set global innodb_flush_sync=1e1;
ERROR 42000: Incorrect argument type to variable 'innodb_flush_sync'
set global innodb_flush_sync=2;
ERROR 42000: Variable 'innodb_flush_sync' can't be set to the value of '2'
set global innodb_flush_sync=-3;
ERROR 42000: Variable 'innodb_flush_sync' can't be set to the value of '-3'
select @@global.innodb_flush_sync;
@@global.innodb_flush_sync
1
select * from information_schema.global_variables where variable_name='innodb_flush_sync';
VARIABLE_NAME	VARIABLE_VALUE
INNODB_FLUSH_SYNC	ON
select * from information_schema.session_variables where variable_name='innodb_flush_sync';
VARIABLE_NAME	VARIABLE_VALUE
INNODB_FLUSH_SYNC	ON
set global innodb_flush_sync='AUTO';
ERROR 42000: Variable 'innodb_flush_sync' can't be set to the value of 'AUTO'
SET @@global.innodb_flush_sync = @start_global_value;
SELECT @@global.innodb_flush_sync;
@@global.innodb_flush_sync
1

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