Edit File: slave_checkpoint_group_basic.result
SET @start_global_value = @@global.slave_checkpoint_group; SELECT @start_global_value; @start_global_value 512 select @@global.slave_checkpoint_group; @@global.slave_checkpoint_group 512 select @@session.slave_checkpoint_group; ERROR HY000: Variable 'slave_checkpoint_group' is a GLOBAL variable show global variables like 'slave_checkpoint_group'; Variable_name Value slave_checkpoint_group 512 show session variables like 'slave_checkpoint_group'; Variable_name Value slave_checkpoint_group 512 select * from information_schema.global_variables where variable_name='slave_checkpoint_group'; VARIABLE_NAME VARIABLE_VALUE SLAVE_CHECKPOINT_GROUP 512 select * from information_schema.session_variables where variable_name='slave_checkpoint_group'; VARIABLE_NAME VARIABLE_VALUE SLAVE_CHECKPOINT_GROUP 512 set global slave_checkpoint_group=1024; select @@global.slave_checkpoint_group; @@global.slave_checkpoint_group 1024 set session slave_checkpoint_group=1024; ERROR HY000: Variable 'slave_checkpoint_group' is a GLOBAL variable and should be set with SET GLOBAL set global slave_checkpoint_group=1.1; ERROR 42000: Incorrect argument type to variable 'slave_checkpoint_group' set global slave_checkpoint_group=1e1; ERROR 42000: Incorrect argument type to variable 'slave_checkpoint_group' set global slave_checkpoint_group="foo"; ERROR 42000: Incorrect argument type to variable 'slave_checkpoint_group' set global slave_checkpoint_group=0; Warnings: Warning 1292 Truncated incorrect slave_checkpoint_group value: '0' set global slave_checkpoint_group=cast(-1 as unsigned int); Warnings: Warning 1292 Truncated incorrect slave_checkpoint_group value: '18446744073709551615' select @@global.slave_checkpoint_group as "truncated to the maximum" ; truncated to the maximum 524280 SET @@global.slave_checkpoint_group = @start_global_value; SELECT @@global.slave_checkpoint_group; @@global.slave_checkpoint_group 512