# bool session SET @start_global_value = @@global.binlog_annotate_row_events; select @@global.binlog_annotate_row_events; select @@session.binlog_annotate_row_events; show global variables like 'binlog_annotate_row_events'; show session variables like 'binlog_annotate_row_events'; select * from information_schema.global_variables where variable_name='binlog_annotate_row_events'; select * from information_schema.session_variables where variable_name='binlog_annotate_row_events'; # # show that it's writable # set global binlog_annotate_row_events=ON; select @@global.binlog_annotate_row_events; set global binlog_annotate_row_events=OFF; select @@global.binlog_annotate_row_events; set global binlog_annotate_row_events=1; select @@global.binlog_annotate_row_events; set session binlog_annotate_row_events=ON; select @@session.binlog_annotate_row_events; set session binlog_annotate_row_events=OFF; select @@session.binlog_annotate_row_events; set session binlog_annotate_row_events=1; select @@session.binlog_annotate_row_events; # # incorrect types # --error ER_WRONG_TYPE_FOR_VAR set global binlog_annotate_row_events=1.1; --error ER_WRONG_TYPE_FOR_VAR set session binlog_annotate_row_events=1e1; --error ER_WRONG_VALUE_FOR_VAR set session binlog_annotate_row_events="foo"; SET @@global.binlog_annotate_row_events = @start_global_value;