SET @session_start_value = @@session.innodb_table_locks;
SELECT @session_start_value;
@session_start_value
1
SET @global_start_value = @@global.innodb_table_locks;
SELECT @global_start_value;
@global_start_value
1
'#--------------------FN_DYNVARS_046_01------------------------#'
SET @@session.innodb_table_locks = 0;
SET @@session.innodb_table_locks = DEFAULT;
SELECT @@session.innodb_table_locks;
@@session.innodb_table_locks
1
SET @@global.innodb_table_locks = 0;
SET @@global.innodb_table_locks = DEFAULT;
SELECT @@global.innodb_table_locks;
@@global.innodb_table_locks
1
'#---------------------FN_DYNVARS_046_02-------------------------#'
SET innodb_table_locks = 1;
SELECT @@innodb_table_locks;
@@innodb_table_locks
1
SELECT session.innodb_table_locks;
ERROR 42S02: Unknown table 'session' in field list
SELECT local.innodb_table_locks;
ERROR 42S02: Unknown table 'local' in field list
SELECT global.innodb_table_locks;
ERROR 42S02: Unknown table 'global' in field list
SET session innodb_table_locks = 0;
SELECT @@session.innodb_table_locks;
@@session.innodb_table_locks
0
SET global innodb_table_locks = 0;
SELECT @@global.innodb_table_locks;
@@global.innodb_table_locks
0
'#--------------------FN_DYNVARS_046_03------------------------#'
SET @@session.innodb_table_locks = 0;
SELECT @@session.innodb_table_locks;
@@session.innodb_table_locks
0
SET @@session.innodb_table_locks = 1;
SELECT @@session.innodb_table_locks;
@@session.innodb_table_locks
1
SET @@global.innodb_table_locks = 0;
SELECT @@global.innodb_table_locks;
@@global.innodb_table_locks
0
SET @@global.innodb_table_locks = 1;
SELECT @@global.innodb_table_locks;
@@global.innodb_table_locks
1
'#--------------------FN_DYNVARS_046_04-------------------------#'
SET @@session.innodb_table_locks = -6;
ERROR 42000: Variable 'innodb_table_locks' can't be set to the value of '-6'
SET @@session.innodb_table_locks = 1.6;
ERROR 42000: Incorrect argument type to variable 'innodb_table_locks'
SET @@session.innodb_table_locks = "T";
ERROR 42000: Variable 'innodb_table_locks' can't be set to the value of 'T'
SET @@session.innodb_table_locks = "Y";
ERROR 42000: Variable 'innodb_table_locks' can't be set to the value of 'Y'
SET @@session.innodb_table_locks = TRÜE;
ERROR 42000: Variable 'innodb_table_locks' can't be set to the value of 'TRÜE'
SET @@session.innodb_table_locks = ÕN;
ERROR 42000: Variable 'innodb_table_locks' can't be set to the value of 'ÕN'
SET @@session.innodb_table_locks = OF;
SELECT @@session.innodb_table_locks;
@@session.innodb_table_locks
0
SET @@session.innodb_table_locks = ÓFF;
ERROR 42000: Variable 'innodb_table_locks' can't be set to the value of 'ÓFF'
SET @@global.innodb_table_locks = -1;
ERROR 42000: Variable 'innodb_table_locks' can't be set to the value of '-1'
SET @@global.innodb_table_locks = 2;
ERROR 42000: Variable 'innodb_table_locks' can't be set to the value of '2'
SET @@global.innodb_table_locks = "T";
ERROR 42000: Variable 'innodb_table_locks' can't be set to the value of 'T'
SET @@global.innodb_table_locks = "Y";
ERROR 42000: Variable 'innodb_table_locks' can't be set to the value of 'Y'
SET @@global.innodb_table_locks = TRÜE;
ERROR 42000: Variable 'innodb_table_locks' can't be set to the value of 'TRÜE'
SET @@global.innodb_table_locks = QN;
ERROR 42000: Variable 'innodb_table_locks' can't be set to the value of 'QN'
SET @@global.innodb_table_locks = OF;
SELECT @@global.innodb_table_locks;
@@global.innodb_table_locks
0
'#-------------------FN_DYNVARS_046_05----------------------------#'
SET @@global.innodb_table_locks = 0;
SET @@session.innodb_table_locks = 1;
SELECT @@global.innodb_table_locks AS res_is_0;
res_is_0
0
SET @@global.innodb_table_locks = 0;
SELECT @@session.innodb_table_locks AS res_is_1;
res_is_1
1
'#----------------------FN_DYNVARS_046_06------------------------#'
SELECT IF(@@global.innodb_table_locks, "ON", "OFF") =
VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_table_locks';
IF(@@global.innodb_table_locks, "ON", "OFF") =
VARIABLE_VALUE
1
SELECT @@global.innodb_table_locks;
@@global.innodb_table_locks
0
SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_table_locks';
VARIABLE_VALUE
OFF
'#----------------------FN_DYNVARS_046_07------------------------#'
SELECT IF(@@session.innodb_table_locks, "ON", "OFF") =
VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES
WHERE VARIABLE_NAME='innodb_table_locks';
IF(@@session.innodb_table_locks, "ON", "OFF") =
VARIABLE_VALUE
1
SELECT @@session.innodb_table_locks;
@@session.innodb_table_locks
1
SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES
WHERE VARIABLE_NAME='innodb_table_locks';
VARIABLE_VALUE
ON
'#---------------------FN_DYNVARS_046_08-------------------------#'
SET @@session.innodb_table_locks = OFF;
SELECT @@session.innodb_table_locks;
@@session.innodb_table_locks
0
SET @@session.innodb_table_locks = ON;
SELECT @@session.innodb_table_locks;
@@session.innodb_table_locks
1
SET @@global.innodb_table_locks = OFF;
SELECT @@global.innodb_table_locks;
@@global.innodb_table_locks
0
SET @@global.innodb_table_locks = ON;
SELECT @@global.innodb_table_locks;
@@global.innodb_table_locks
1
'#---------------------FN_DYNVARS_046_09----------------------#'
SET @@session.innodb_table_locks = TRUE;
SELECT @@session.innodb_table_locks;
@@session.innodb_table_locks
1
SET @@session.innodb_table_locks = FALSE;
SELECT @@session.innodb_table_locks;
@@session.innodb_table_locks
0
SET @@global.innodb_table_locks = TRUE;
SELECT @@global.innodb_table_locks;
@@global.innodb_table_locks
1
SET @@global.innodb_table_locks = FALSE;
SELECT @@global.innodb_table_locks;
@@global.innodb_table_locks
0
SET @@session.innodb_table_locks = @session_start_value;
SELECT @@session.innodb_table_locks;
@@session.innodb_table_locks
1
SET @@global.innodb_table_locks = @global_start_value;
SELECT @@global.innodb_table_locks;
@@global.innodb_table_locks
1