'#---------------------BS_STVARS_007_01----------------------#' SELECT COUNT(@@GLOBAL.have_crypt); COUNT(@@GLOBAL.have_crypt) 1 1 Expected '#---------------------BS_STVARS_007_02----------------------#' SET @@GLOBAL.have_crypt=1; ERROR HY000: Variable 'have_crypt' is a read only variable Expected error 'Read only variable' SELECT COUNT(@@GLOBAL.have_crypt); COUNT(@@GLOBAL.have_crypt) 1 1 Expected '#---------------------BS_STVARS_007_03----------------------#' SELECT @@GLOBAL.have_crypt = VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='have_crypt'; @@GLOBAL.have_crypt = VARIABLE_VALUE 1 1 Expected SELECT COUNT(@@GLOBAL.have_crypt); COUNT(@@GLOBAL.have_crypt) 1 1 Expected SELECT COUNT(VARIABLE_VALUE) FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='have_crypt'; COUNT(VARIABLE_VALUE) 1 1 Expected '#---------------------BS_STVARS_007_04----------------------#' SELECT @@have_crypt = @@GLOBAL.have_crypt; @@have_crypt = @@GLOBAL.have_crypt 1 1 Expected '#---------------------BS_STVARS_007_05----------------------#' SELECT COUNT(@@have_crypt); COUNT(@@have_crypt) 1 1 Expected SELECT COUNT(@@local.have_crypt); ERROR HY000: Variable 'have_crypt' is a GLOBAL variable Expected error 'Variable is a GLOBAL variable' SELECT COUNT(@@SESSION.have_crypt); ERROR HY000: Variable 'have_crypt' is a GLOBAL variable Expected error 'Variable is a GLOBAL variable' SELECT COUNT(@@GLOBAL.have_crypt); COUNT(@@GLOBAL.have_crypt) 1 1 Expected SELECT have_crypt = @@SESSION.have_crypt; ERROR 42S22: Unknown column 'have_crypt' in 'field list' Expected error 'Readonly variable'