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