1
'#---------------------BS_STVARS_005_01----------------------#'
2
SELECT COUNT(@@SESSION.error_count);
3
COUNT(@@SESSION.error_count)
6
'#---------------------BS_STVARS_005_02----------------------#'
7
SET @@SESSION.error_count=1;
8
ERROR HY000: Variable 'error_count' is a read only variable
9
Expected error 'Read only variable'
10
SELECT COUNT(@@SESSION.error_count);
11
COUNT(@@SESSION.error_count)
14
'#---------------------BS_STVARS_005_03----------------------#'
15
SELECT @@SESSION.error_count = VARIABLE_VALUE
16
FROM INFORMATION_SCHEMA.SESSION_VARIABLES
17
WHERE VARIABLE_NAME='error_count';
18
@@SESSION.error_count = VARIABLE_VALUE
21
SELECT COUNT(@@SESSION.error_count);
22
COUNT(@@SESSION.error_count)
25
SELECT COUNT(VARIABLE_VALUE)
26
FROM INFORMATION_SCHEMA.SESSION_VARIABLES
27
WHERE VARIABLE_NAME='error_count';
31
'#---------------------BS_STVARS_005_04----------------------#'
32
SELECT @@error_count = @@SESSION.error_count;
33
@@error_count = @@SESSION.error_count
36
'#---------------------BS_STVARS_005_05----------------------#'
37
SELECT COUNT(@@error_count);
41
SELECT COUNT(@@local.error_count);
42
COUNT(@@local.error_count)
45
SELECT COUNT(@@SESSION.error_count);
46
COUNT(@@SESSION.error_count)
49
SELECT COUNT(@@GLOBAL.error_count);
50
ERROR HY000: Variable 'error_count' is a SESSION variable
51
Expected error 'Variable is a SESSION variable'
52
SELECT COUNT(error_count = @@GLOBAL.error_count);
53
ERROR 42S22: Unknown column 'error_count' in 'field list'
54
Expected error 'Readonly variable'