SELECT @@GLOBAL.innodb_log_archive;
@@GLOBAL.innodb_log_archive
0
0 Expected
SET @save_innodb_log_archive = @@GLOBAL.innodb_log_archive;
SET @@GLOBAL.innodb_log_archive=1;
SELECT @@GLOBAL.innodb_log_archive;
@@GLOBAL.innodb_log_archive
1
1 Expected
SELECT VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
WHERE VARIABLE_NAME='innodb_log_archive';
VARIABLE_VALUE
ON
ON Expected
SET @@GLOBAL.innodb_log_archive = @save_innodb_log_archive;
SELECT @@innodb_log_archive;
@@innodb_log_archive
0
0 Expected
SELECT @@innodb_log_archive;
@@innodb_log_archive
0
0 Expected
SELECT @@local.innodb_log_archive;
ERROR HY000: Variable 'innodb_log_archive' is a GLOBAL variable
Expected error 'Variable is a GLOBAL variable'
SELECT @@SESSION.innodb_log_archive;
ERROR HY000: Variable 'innodb_log_archive' is a GLOBAL variable
Expected error 'Variable is a GLOBAL variable'
SELECT @@GLOBAL.innodb_log_archive;
@@GLOBAL.innodb_log_archive
0
0 Expected
SELECT innodb_log_archive = @@SESSION.innodb_log_archive;
ERROR 42S22: Unknown column 'innodb_log_archive' in 'field list'
Expected error Unknown column 'innodb_log_archive' in 'field list'