# bool global --source include/have_innodb.inc --source include/have_debug.inc SET @start_global_value = @@global.innodb_debug_force_scrubbing; --echo # --echo # exists as global only --echo # select @@global.innodb_debug_force_scrubbing; --error ER_INCORRECT_GLOBAL_LOCAL_VAR select @@session.innodb_debug_force_scrubbing; show global variables like 'innodb_debug_force_scrubbing'; show session variables like 'innodb_debug_force_scrubbing'; select * from information_schema.global_variables where variable_name='innodb_debug_force_scrubbing'; select * from information_schema.session_variables where variable_name='innodb_debug_force_scrubbing'; --echo # --echo # show that it's writable --echo # set global innodb_debug_force_scrubbing=ON; select @@global.innodb_debug_force_scrubbing; set global innodb_debug_force_scrubbing=OFF; select @@global.innodb_debug_force_scrubbing; set global innodb_debug_force_scrubbing=1; select @@global.innodb_debug_force_scrubbing; --error ER_GLOBAL_VARIABLE set session innodb_debug_force_scrubbing=1; --echo # --echo # incorrect types --echo # --error ER_WRONG_TYPE_FOR_VAR set global innodb_debug_force_scrubbing=1.1; --error ER_WRONG_TYPE_FOR_VAR set global innodb_debug_force_scrubbing=1e1; --error ER_WRONG_VALUE_FOR_VAR set global innodb_debug_force_scrubbing="foo"; SET @@global.innodb_debug_force_scrubbing = @start_global_value;