SELECT @@GLOBAL.innodb_max_purge_lag_delay;
@@GLOBAL.innodb_max_purge_lag_delay
0
0 Expected
SET @@GLOBAL.innodb_max_purge_lag_delay=1;
SELECT COUNT(@@GLOBAL.innodb_max_purge_lag_delay);
COUNT(@@GLOBAL.innodb_max_purge_lag_delay)
1
1 Expected
SELECT VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_max_purge_lag_delay';
VARIABLE_VALUE
1
1 Expected
SELECT @@innodb_max_purge_lag_delay = @@GLOBAL.innodb_max_purge_lag_delay;
@@innodb_max_purge_lag_delay = @@GLOBAL.innodb_max_purge_lag_delay
1
1 Expected
SELECT COUNT(@@innodb_max_purge_lag_delay);
COUNT(@@innodb_max_purge_lag_delay)
1
1 Expected
SELECT COUNT(@@local.innodb_max_purge_lag_delay);
ERROR HY000: Variable 'innodb_max_purge_lag_delay' is a GLOBAL variable
Expected error 'Variable is a GLOBAL variable'
SELECT COUNT(@@SESSION.innodb_max_purge_lag_delay);
ERROR HY000: Variable 'innodb_max_purge_lag_delay' is a GLOBAL variable
Expected error 'Variable is a GLOBAL variable'
SELECT innodb_max_purge_lag_delay = @@SESSION.innodb_max_purge_lag_delay;
ERROR 42S22: Unknown column 'innodb_max_purge_lag_delay' in 'field list'
set global innodb_max_purge_lag_delay = -1;
Warnings:
Warning	1292	Truncated incorrect innodb_max_purge_lag_delay value: '-1'
set global innodb_max_purge_lag_delay = 1000000;
set global innodb_max_purge_lag_delay = 10000000;
set global innodb_max_purge_lag_delay = 100000000;
Warnings:
Warning	1292	Truncated incorrect innodb_max_purge_lag_delay value: '100000000'
set global innodb_max_purge_lag_delay = 100000001;
Warnings:
Warning	1292	Truncated incorrect innodb_max_purge_lag_delay value: '100000001'
set global innodb_max_purge_lag_delay = 0;
