'#---------------------BS_STVARS_055_01----------------------#' SELECT COUNT(@@GLOBAL.version_compile_machine); COUNT(@@GLOBAL.version_compile_machine) 1 1 Expected '#---------------------BS_STVARS_055_02----------------------#' SET @@GLOBAL.version_compile_machine=1; ERROR HY000: Variable 'version_compile_machine' is a read only variable Expected error 'Read only variable' SELECT COUNT(@@GLOBAL.version_compile_machine); COUNT(@@GLOBAL.version_compile_machine) 1 1 Expected '#---------------------BS_STVARS_055_03----------------------#' SELECT @@GLOBAL.version_compile_machine = VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='version_compile_machine'; @@GLOBAL.version_compile_machine = VARIABLE_VALUE 1 1 Expected SELECT COUNT(@@GLOBAL.version_compile_machine); COUNT(@@GLOBAL.version_compile_machine) 1 1 Expected SELECT COUNT(VARIABLE_VALUE) FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='version_compile_machine'; COUNT(VARIABLE_VALUE) 1 1 Expected '#---------------------BS_STVARS_055_04----------------------#' SELECT @@version_compile_machine = @@GLOBAL.version_compile_machine; @@version_compile_machine = @@GLOBAL.version_compile_machine 1 1 Expected '#---------------------BS_STVARS_055_05----------------------#' SELECT COUNT(@@version_compile_machine); COUNT(@@version_compile_machine) 1 1 Expected SELECT COUNT(@@local.version_compile_machine); ERROR HY000: Variable 'version_compile_machine' is a GLOBAL variable Expected error 'Variable is a GLOBAL variable' SELECT COUNT(@@SESSION.version_compile_machine); ERROR HY000: Variable 'version_compile_machine' is a GLOBAL variable Expected error 'Variable is a GLOBAL variable' SELECT COUNT(@@GLOBAL.version_compile_machine); COUNT(@@GLOBAL.version_compile_machine) 1 1 Expected SELECT version_compile_machine = @@SESSION.version_compile_machine; ERROR 42S22: Unknown column 'version_compile_machine' in 'field list' Expected error 'Readonly variable'