Edit File: innodb_rollback_segments_basic.result
SET @start_global_value = @@global.innodb_rollback_segments; SELECT @start_global_value; @start_global_value 128 Valid values are zero or above SELECT @@global.innodb_rollback_segments >=0; @@global.innodb_rollback_segments >=0 1 SELECT @@global.innodb_rollback_segments <=128; @@global.innodb_rollback_segments <=128 1 SELECT @@global.innodb_rollback_segments; @@global.innodb_rollback_segments 128 SELECT @@session.innodb_rollback_segments; ERROR HY000: Variable 'innodb_rollback_segments' is a GLOBAL variable SHOW global variables LIKE 'innodb_rollback_segments'; Variable_name Value innodb_rollback_segments 128 SHOW session variables LIKE 'innodb_rollback_segments'; Variable_name Value innodb_rollback_segments 128 SELECT * FROM information_schema.global_variables WHERE variable_name='innodb_rollback_segments'; VARIABLE_NAME VARIABLE_VALUE INNODB_ROLLBACK_SEGMENTS 128 SELECT * FROM information_schema.session_variables WHERE variable_name='innodb_rollback_segments'; VARIABLE_NAME VARIABLE_VALUE INNODB_ROLLBACK_SEGMENTS 128 SET global innodb_rollback_segments=100; SELECT @@global.innodb_rollback_segments; @@global.innodb_rollback_segments 100 SELECT * FROM information_schema.global_variables WHERE variable_name='innodb_rollback_segments'; VARIABLE_NAME VARIABLE_VALUE INNODB_ROLLBACK_SEGMENTS 100 SELECT * FROM information_schema.session_variables WHERE variable_name='innodb_rollback_segments'; VARIABLE_NAME VARIABLE_VALUE INNODB_ROLLBACK_SEGMENTS 100 SET session innodb_rollback_segments=1; ERROR HY000: Variable 'innodb_rollback_segments' is a GLOBAL variable and should be set with SET GLOBAL SET global innodb_rollback_segments=1.1; ERROR 42000: Incorrect argument type to variable 'innodb_rollback_segments' SET global innodb_rollback_segments=1e1; ERROR 42000: Incorrect argument type to variable 'innodb_rollback_segments' SET global innodb_rollback_segments="foo"; ERROR 42000: Incorrect argument type to variable 'innodb_rollback_segments' SET global innodb_rollback_segments=-7; Warnings: Warning 1292 Truncated incorrect innodb_rollback_segments value: '-7' SELECT @@global.innodb_rollback_segments; @@global.innodb_rollback_segments 1 SELECT * FROM information_schema.global_variables WHERE variable_name='innodb_rollback_segments'; VARIABLE_NAME VARIABLE_VALUE INNODB_ROLLBACK_SEGMENTS 1 SET @@global.innodb_rollback_segments = @start_global_value; SELECT @@global.innodb_rollback_segments; @@global.innodb_rollback_segments 128