# # 2010-01-20 OBN - Added check for I_S values after variable value change # --source include/have_profiling.inc SET @start_global_value = @@global.profiling; SELECT @start_global_value; # # exists as global and session # select @@global.profiling; select @@session.profiling; show global variables like 'profiling'; show session variables like 'profiling'; --disable_warnings select * from performance_schema.global_variables where variable_name='profiling'; select * from performance_schema.session_variables where variable_name='profiling'; --enable_warnings # # show that it's writable # set global profiling=1; set session profiling=ON; select @@global.profiling; select @@session.profiling; show global variables like 'profiling'; show session variables like 'profiling'; --disable_warnings select * from performance_schema.global_variables where variable_name='profiling'; select * from performance_schema.session_variables where variable_name='profiling'; --enable_warnings set global profiling=0; set session profiling=OFF; select @@global.profiling; select @@session.profiling; show global variables like 'profiling'; show session variables like 'profiling'; --disable_warnings select * from performance_schema.global_variables where variable_name='profiling'; select * from performance_schema.session_variables where variable_name='profiling'; --enable_warnings # # incorrect types # --error ER_WRONG_TYPE_FOR_VAR set global profiling=1.1; --error ER_WRONG_TYPE_FOR_VAR set global profiling=1e1; --error ER_WRONG_VALUE_FOR_VAR set global profiling="foo"; SET @@global.profiling = @start_global_value; SELECT @@global.profiling;