mirror of
https://github.com/MariaDB/server.git
synced 2025-05-05 16:59:35 +03:00
84 lines
3.3 KiB
Plaintext
84 lines
3.3 KiB
Plaintext
SET @start_global_value = @@global.innodb_stats_method;
|
|
SELECT @start_global_value;
|
|
@start_global_value
|
|
nulls_equal
|
|
Valid values are 'nulls_equal', 'nulls_unequal', 'nulls_ignored'
|
|
SELECT @@global.innodb_stats_method in ('nulls_equal', 'nulls_unequal',
|
|
'nulls_ignored');
|
|
@@global.innodb_stats_method in ('nulls_equal', 'nulls_unequal',
|
|
'nulls_ignored')
|
|
1
|
|
SELECT @@global.innodb_stats_method;
|
|
@@global.innodb_stats_method
|
|
nulls_equal
|
|
SELECT @@session.innodb_stats_method;
|
|
ERROR HY000: Variable 'innodb_stats_method' is a GLOBAL variable
|
|
SHOW global variables LIKE 'innodb_stats_method';
|
|
Variable_name Value
|
|
innodb_stats_method nulls_equal
|
|
SHOW session variables LIKE 'innodb_stats_method';
|
|
Variable_name Value
|
|
innodb_stats_method nulls_equal
|
|
SELECT * FROM information_schema.global_variables
|
|
WHERE variable_name='innodb_stats_method';
|
|
VARIABLE_NAME VARIABLE_VALUE
|
|
INNODB_STATS_METHOD nulls_equal
|
|
SELECT * FROM information_schema.session_variables
|
|
WHERE variable_name='innodb_stats_method';
|
|
VARIABLE_NAME VARIABLE_VALUE
|
|
INNODB_STATS_METHOD nulls_equal
|
|
SET global innodb_stats_method='nulls_equal';
|
|
SELECT @@global.innodb_stats_method;
|
|
@@global.innodb_stats_method
|
|
nulls_equal
|
|
SELECT * FROM information_schema.global_variables
|
|
WHERE variable_name='innodb_stats_method';
|
|
VARIABLE_NAME VARIABLE_VALUE
|
|
INNODB_STATS_METHOD nulls_equal
|
|
SELECT * FROM information_schema.session_variables
|
|
WHERE variable_name='innodb_stats_method';
|
|
VARIABLE_NAME VARIABLE_VALUE
|
|
INNODB_STATS_METHOD nulls_equal
|
|
SET @@global.innodb_stats_method='nulls_unequal';
|
|
SELECT @@global.innodb_stats_method;
|
|
@@global.innodb_stats_method
|
|
nulls_unequal
|
|
SELECT * FROM information_schema.global_variables
|
|
WHERE variable_name='innodb_stats_method';
|
|
VARIABLE_NAME VARIABLE_VALUE
|
|
INNODB_STATS_METHOD nulls_unequal
|
|
SELECT * FROM information_schema.session_variables
|
|
WHERE variable_name='innodb_stats_method';
|
|
VARIABLE_NAME VARIABLE_VALUE
|
|
INNODB_STATS_METHOD nulls_unequal
|
|
SET global innodb_stats_method=2;
|
|
SELECT @@global.innodb_stats_method;
|
|
@@global.innodb_stats_method
|
|
nulls_ignored
|
|
SELECT * FROM information_schema.global_variables
|
|
WHERE variable_name='innodb_stats_method';
|
|
VARIABLE_NAME VARIABLE_VALUE
|
|
INNODB_STATS_METHOD nulls_ignored
|
|
SELECT * FROM information_schema.session_variables
|
|
WHERE variable_name='innodb_stats_method';
|
|
VARIABLE_NAME VARIABLE_VALUE
|
|
INNODB_STATS_METHOD nulls_ignored
|
|
SET session innodb_stats_method='nulls_equal';
|
|
ERROR HY000: Variable 'innodb_stats_method' is a GLOBAL variable and should be set with SET GLOBAL
|
|
SET @@session.innodb_stats_method='nulls_ignored';
|
|
ERROR HY000: Variable 'innodb_stats_method' is a GLOBAL variable and should be set with SET GLOBAL
|
|
SET global innodb_stats_method=1.1;
|
|
ERROR 42000: Incorrect argument type to variable 'innodb_stats_method'
|
|
SET global innodb_stats_method=4;
|
|
ERROR 42000: Variable 'innodb_stats_method' can't be set to the value of '4'
|
|
SET global innodb_stats_method=-2;
|
|
ERROR 42000: Variable 'innodb_stats_method' can't be set to the value of '-2'
|
|
SET global innodb_stats_method=1e1;
|
|
ERROR 42000: Incorrect argument type to variable 'innodb_stats_method'
|
|
SET global innodb_stats_method='some';
|
|
ERROR 42000: Variable 'innodb_stats_method' can't be set to the value of 'some'
|
|
SET @@global.innodb_stats_method = @start_global_value;
|
|
SELECT @@global.innodb_stats_method;
|
|
@@global.innodb_stats_method
|
|
nulls_equal
|