1'#---------------------BS_STVARS_004_01----------------------#' 2SELECT COUNT(@@GLOBAL.datadir); 3COUNT(@@GLOBAL.datadir) 41 51 Expected 6'#---------------------BS_STVARS_004_02----------------------#' 7SET @@GLOBAL.datadir=1; 8ERROR HY000: Variable 'datadir' is a read only variable 9Expected error 'Read only variable' 10SELECT COUNT(@@GLOBAL.datadir); 11COUNT(@@GLOBAL.datadir) 121 131 Expected 14'#---------------------BS_STVARS_004_03----------------------#' 15SELECT @@GLOBAL.datadir = VARIABLE_VALUE 16FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 17WHERE VARIABLE_NAME='datadir'; 18@@GLOBAL.datadir = VARIABLE_VALUE 191 201 Expected 21SELECT COUNT(@@GLOBAL.datadir); 22COUNT(@@GLOBAL.datadir) 231 241 Expected 25SELECT COUNT(VARIABLE_VALUE) 26FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 27WHERE VARIABLE_NAME='datadir'; 28COUNT(VARIABLE_VALUE) 291 301 Expected 31'#---------------------BS_STVARS_004_04----------------------#' 32SELECT @@datadir = @@GLOBAL.datadir; 33@@datadir = @@GLOBAL.datadir 341 351 Expected 36'#---------------------BS_STVARS_004_05----------------------#' 37SELECT COUNT(@@datadir); 38COUNT(@@datadir) 391 401 Expected 41SELECT COUNT(@@local.datadir); 42ERROR HY000: Variable 'datadir' is a GLOBAL variable 43Expected error 'Variable is a GLOBAL variable' 44SELECT COUNT(@@SESSION.datadir); 45ERROR HY000: Variable 'datadir' is a GLOBAL variable 46Expected error 'Variable is a GLOBAL variable' 47SELECT COUNT(@@GLOBAL.datadir); 48COUNT(@@GLOBAL.datadir) 491 501 Expected 51SELECT datadir = @@SESSION.datadir; 52ERROR 42S22: Unknown column 'datadir' in 'field list' 53Expected error 'Readonly variable' 54