--source include/not_embedded.inc
# MDEV-30189: Test minimal correctness of `@@master_info_file` itself

--echo # GLOBAL scope
# Expect different from default ('master.info') as configured by `.opt`
SELECT @@GLOBAL.master_info_file;
SELECT @@master_info_file;

--echo # Not SESSION scope
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@SESSION.master_info_file;

--echo # Read-only
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@master_info_file= 'master.info';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@GLOBAL.master_info_file= 'master.info';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@SESSION.master_info_file= 'master.info';