1# ulong readonly 2 3# 4# show the global and session values; 5# 6select @@global.myisam_block_size; 7--error ER_INCORRECT_GLOBAL_LOCAL_VAR 8select @@session.myisam_block_size; 9show global variables like 'myisam_block_size'; 10show session variables like 'myisam_block_size'; 11select * from information_schema.global_variables where variable_name='myisam_block_size'; 12select * from information_schema.session_variables where variable_name='myisam_block_size'; 13 14# 15# show that it's read-only 16# 17--error ER_INCORRECT_GLOBAL_LOCAL_VAR 18set global myisam_block_size=1; 19--error ER_INCORRECT_GLOBAL_LOCAL_VAR 20set session myisam_block_size=1; 21 22