Edit File: back_log_basic.test
# # show the global and session values; # select @@global.back_log; --error ER_INCORRECT_GLOBAL_LOCAL_VAR select @@session.back_log; show global variables like 'back_log'; show session variables like 'back_log'; select * from information_schema.global_variables where variable_name='back_log'; select * from information_schema.session_variables where variable_name='back_log'; # # show that it's read-only # --error ER_INCORRECT_GLOBAL_LOCAL_VAR set global back_log=1; --error ER_INCORRECT_GLOBAL_LOCAL_VAR set session back_log=1;