1SET @start_global_value = @@global.innodb_stats_traditional; 2SELECT @start_global_value; 3@start_global_value 41 5Valid values are 'ON' and 'OFF' 6select @@global.innodb_stats_traditional in (0, 1); 7@@global.innodb_stats_traditional in (0, 1) 81 9select @@global.innodb_stats_traditional; 10@@global.innodb_stats_traditional 111 12select @@session.innodb_stats_traditional; 13ERROR HY000: Variable 'innodb_stats_traditional' is a GLOBAL variable 14show global variables like 'innodb_stats_traditional'; 15Variable_name Value 16innodb_stats_traditional ON 17show session variables like 'innodb_stats_traditional'; 18Variable_name Value 19innodb_stats_traditional ON 20select * from information_schema.global_variables where variable_name='innodb_stats_traditional'; 21VARIABLE_NAME VARIABLE_VALUE 22INNODB_STATS_TRADITIONAL ON 23select * from information_schema.session_variables where variable_name='innodb_stats_traditional'; 24VARIABLE_NAME VARIABLE_VALUE 25INNODB_STATS_TRADITIONAL ON 26set global innodb_stats_traditional='OFF'; 27select @@global.innodb_stats_traditional; 28@@global.innodb_stats_traditional 290 30select * from information_schema.global_variables where variable_name='innodb_stats_traditional'; 31VARIABLE_NAME VARIABLE_VALUE 32INNODB_STATS_TRADITIONAL OFF 33select * from information_schema.session_variables where variable_name='innodb_stats_traditional'; 34VARIABLE_NAME VARIABLE_VALUE 35INNODB_STATS_TRADITIONAL OFF 36set @@global.innodb_stats_traditional=1; 37select @@global.innodb_stats_traditional; 38@@global.innodb_stats_traditional 391 40select * from information_schema.global_variables where variable_name='innodb_stats_traditional'; 41VARIABLE_NAME VARIABLE_VALUE 42INNODB_STATS_TRADITIONAL ON 43select * from information_schema.session_variables where variable_name='innodb_stats_traditional'; 44VARIABLE_NAME VARIABLE_VALUE 45INNODB_STATS_TRADITIONAL ON 46set global innodb_stats_traditional=0; 47select @@global.innodb_stats_traditional; 48@@global.innodb_stats_traditional 490 50select * from information_schema.global_variables where variable_name='innodb_stats_traditional'; 51VARIABLE_NAME VARIABLE_VALUE 52INNODB_STATS_TRADITIONAL OFF 53select * from information_schema.session_variables where variable_name='innodb_stats_traditional'; 54VARIABLE_NAME VARIABLE_VALUE 55INNODB_STATS_TRADITIONAL OFF 56set @@global.innodb_stats_traditional='ON'; 57select @@global.innodb_stats_traditional; 58@@global.innodb_stats_traditional 591 60select * from information_schema.global_variables where variable_name='innodb_stats_traditional'; 61VARIABLE_NAME VARIABLE_VALUE 62INNODB_STATS_TRADITIONAL ON 63select * from information_schema.session_variables where variable_name='innodb_stats_traditional'; 64VARIABLE_NAME VARIABLE_VALUE 65INNODB_STATS_TRADITIONAL ON 66set session innodb_stats_traditional='OFF'; 67ERROR HY000: Variable 'innodb_stats_traditional' is a GLOBAL variable and should be set with SET GLOBAL 68set @@session.innodb_stats_traditional='ON'; 69ERROR HY000: Variable 'innodb_stats_traditional' is a GLOBAL variable and should be set with SET GLOBAL 70set global innodb_stats_traditional=1.1; 71ERROR 42000: Incorrect argument type to variable 'innodb_stats_traditional' 72set global innodb_stats_traditional=1e1; 73ERROR 42000: Incorrect argument type to variable 'innodb_stats_traditional' 74set global innodb_stats_traditional=2; 75ERROR 42000: Variable 'innodb_stats_traditional' can't be set to the value of '2' 76set global innodb_stats_traditional=-3; 77ERROR 42000: Variable 'innodb_stats_traditional' can't be set to the value of '-3' 78select @@global.innodb_stats_traditional; 79@@global.innodb_stats_traditional 801 81select * from information_schema.global_variables where variable_name='innodb_stats_traditional'; 82VARIABLE_NAME VARIABLE_VALUE 83INNODB_STATS_TRADITIONAL ON 84select * from information_schema.session_variables where variable_name='innodb_stats_traditional'; 85VARIABLE_NAME VARIABLE_VALUE 86INNODB_STATS_TRADITIONAL ON 87set global innodb_stats_traditional='AUTO'; 88ERROR 42000: Variable 'innodb_stats_traditional' can't be set to the value of 'AUTO' 89SET @@global.innodb_stats_traditional = @start_global_value; 90SELECT @@global.innodb_stats_traditional; 91@@global.innodb_stats_traditional 921 93