1--source include/not_embedded.inc 2# 3# only global 4# 5select @@global.relay_log; 6--error ER_INCORRECT_GLOBAL_LOCAL_VAR 7select @@session.relay_log; 8show global variables like 'relay_log'; 9show session variables like 'relay_log'; 10--disable_warnings 11select * from information_schema.global_variables where variable_name='relay_log'; 12select * from information_schema.session_variables where variable_name='relay_log'; 13--enable_warnings 14 15# 16# show that it's read-only 17# 18--error ER_INCORRECT_GLOBAL_LOCAL_VAR 19set global relay_log=1; 20--error ER_INCORRECT_GLOBAL_LOCAL_VAR 21set session relay_log=1; 22