Edit File: slave_checkpoint_period_basic.result
SET @start_global_value = @@global.slave_checkpoint_period; SELECT @start_global_value; @start_global_value 300 select @@global.slave_checkpoint_period; @@global.slave_checkpoint_period 300 select @@session.slave_checkpoint_period; ERROR HY000: Variable 'slave_checkpoint_period' is a GLOBAL variable show global variables like 'slave_checkpoint_period'; Variable_name Value slave_checkpoint_period period show session variables like 'slave_checkpoint_period'; Variable_name Value slave_checkpoint_period period select * from information_schema.global_variables where variable_name='slave_checkpoint_period'; VARIABLE_NAME VARIABLE_VALUE SLAVE_CHECKPOINT_PERIOD period select * from information_schema.session_variables where variable_name='slave_checkpoint_period'; VARIABLE_NAME VARIABLE_VALUE SLAVE_CHECKPOINT_PERIOD period set global slave_checkpoint_period=1; select @@global.slave_checkpoint_period; @@global.slave_checkpoint_period 1 set session slave_checkpoint_period=1; ERROR HY000: Variable 'slave_checkpoint_period' is a GLOBAL variable and should be set with SET GLOBAL set global slave_checkpoint_period=1.1; ERROR 42000: Incorrect argument type to variable 'slave_checkpoint_period' set global slave_checkpoint_period=1e1; ERROR 42000: Incorrect argument type to variable 'slave_checkpoint_period' set global slave_checkpoint_period="foo"; ERROR 42000: Incorrect argument type to variable 'slave_checkpoint_period' set global slave_checkpoint_period=1; select @@global.slave_checkpoint_period; @@global.slave_checkpoint_period 1 set global slave_checkpoint_period=cast(-1 as unsigned int); Warnings: Warning 1292 Truncated incorrect slave_checkpoint_period value: '18446744073709551615' select @@global.slave_checkpoint_period as "truncated to the maximum"; truncated to the maximum 4294967295 SET @@global.slave_checkpoint_period = @start_global_value; SELECT @@global.slave_checkpoint_period; @@global.slave_checkpoint_period 300