SET @start_value = @@global.query_cache_limit;
SELECT @start_value;
@start_value
1048576
'#--------------------FN_DYNVARS_131_01------------------------#'
SET @@global.query_cache_limit = 99;
SET @@global.query_cache_limit = DEFAULT;
SELECT @@global.query_cache_limit;
@@global.query_cache_limit
1048576
'#---------------------FN_DYNVARS_131_02-------------------------#'
SET @@global.query_cache_limit = @start_value;
SELECT @@global.query_cache_limit = 1048576;
@@global.query_cache_limit = 1048576
1
'#--------------------FN_DYNVARS_131_03------------------------#'
SET @@global.query_cache_limit = 0;
SELECT @@global.query_cache_limit;
@@global.query_cache_limit
0
SET @@global.query_cache_limit = 1;
SELECT @@global.query_cache_limit;
@@global.query_cache_limit
1
SET @@global.query_cache_limit = 1048576;
SELECT @@global.query_cache_limit;
@@global.query_cache_limit
1048576
SET @@global.query_cache_limit = 1048575;
SELECT @@global.query_cache_limit;
@@global.query_cache_limit
1048575
'#--------------------FN_DYNVARS_131_04-------------------------#'
SET @@global.query_cache_limit = -1;
SELECT @@global.query_cache_limit;
@@global.query_cache_limit
0
SET @@global.query_cache_limit = 4294967296;
Warnings:
Warning	1292	Truncated incorrect query_cache_limit value: '4294967296'
SELECT @@global.query_cache_limit;
@@global.query_cache_limit
4294967295
SET @@global.query_cache_limit = 10240022115;
Warnings:
Warning	1292	Truncated incorrect query_cache_limit value: '10240022115'
SELECT @@global.query_cache_limit;
@@global.query_cache_limit
4294967295
SET @@global.query_cache_limit = 10000.01;
ERROR 42000: Incorrect argument type to variable 'query_cache_limit'
SELECT @@global.query_cache_limit;
@@global.query_cache_limit
4294967295
SET @@global.query_cache_limit = -1024;
SELECT @@global.query_cache_limit;
@@global.query_cache_limit
0
SET @@global.query_cache_limit = 42949672950;
Warnings:
Warning	1292	Truncated incorrect query_cache_limit value: '42949672950'
SELECT @@global.query_cache_limit;
@@global.query_cache_limit
4294967295
'Bug # 34837: Errors are not coming on assigning invalid values to variable';
SET @@global.query_cache_limit = ON;
ERROR 42000: Incorrect argument type to variable 'query_cache_limit'
SELECT @@global.query_cache_limit;
@@global.query_cache_limit
4294967295
SET @@global.query_cache_limit = 'test';
ERROR 42000: Incorrect argument type to variable 'query_cache_limit'
SELECT @@global.query_cache_limit;
@@global.query_cache_limit
4294967295
'#-------------------FN_DYNVARS_131_05----------------------------#'
SET @@session.query_cache_limit = 0;
ERROR HY000: Variable 'query_cache_limit' is a GLOBAL variable and should be set with SET GLOBAL
SELECT @@query_cache_limit;
@@query_cache_limit
4294967295
'#----------------------FN_DYNVARS_131_06------------------------#'
SELECT @@global.query_cache_limit = VARIABLE_VALUE 
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
WHERE VARIABLE_NAME='query_cache_limit';
@@global.query_cache_limit = VARIABLE_VALUE
1
SELECT @@query_cache_limit = VARIABLE_VALUE 
FROM INFORMATION_SCHEMA.SESSION_VARIABLES 
WHERE VARIABLE_NAME='query_cache_limit';
@@query_cache_limit = VARIABLE_VALUE
1
'#---------------------FN_DYNVARS_131_07----------------------#'
SET @@global.query_cache_limit = TRUE;
SELECT @@global.query_cache_limit;
@@global.query_cache_limit
1
SET @@global.query_cache_limit = FALSE;
SELECT @@global.query_cache_limit;
@@global.query_cache_limit
0
'#---------------------FN_DYNVARS_131_08----------------------#'
SET @@global.query_cache_limit = 1;
SELECT @@query_cache_limit = @@global.query_cache_limit;
@@query_cache_limit = @@global.query_cache_limit
1
'#---------------------FN_DYNVARS_131_09----------------------#'
SET query_cache_limit = 1;
ERROR HY000: Variable 'query_cache_limit' is a GLOBAL variable and should be set with SET GLOBAL
SELECT @@query_cache_limit;
@@query_cache_limit
1
SET local.query_cache_limit = 1;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'query_cache_limit = 1' at line 1
SELECT local.query_cache_limit;
ERROR 42S02: Unknown table 'local' in field list
SET global.query_cache_limit = 1;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'query_cache_limit = 1' at line 1
SELECT global.query_cache_limit;
ERROR 42S02: Unknown table 'global' in field list
SELECT query_cache_limit = @@session.query_cache_limit;
ERROR 42S22: Unknown column 'query_cache_limit' in 'field list'
SET @@global.query_cache_limit = @start_value;
SELECT @@global.query_cache_limit;
@@global.query_cache_limit
1048576