SET @start_global_value = @@global.long_query_time;
SELECT @start_global_value;
@start_global_value
10
SET @start_session_value = @@session.long_query_time;
SELECT @start_session_value;
@start_session_value
10
'#--------------------FN_DYNVARS_068_01-------------------------#'
SET @@global.long_query_time = 100;
SET @@global.long_query_time = DEFAULT;
SELECT @@global.long_query_time;
@@global.long_query_time
10.000000
SET @@session.long_query_time = 200;
SET @@session.long_query_time = DEFAULT;
SELECT @@session.long_query_time;
@@session.long_query_time
10.000000
'#--------------------FN_DYNVARS_068_02-------------------------#'
SET @@global.long_query_time = DEFAULT;
SELECT @@global.long_query_time = 10;
@@global.long_query_time = 10
1
SET @@session.long_query_time = DEFAULT;
SELECT @@session.long_query_time = 10;
@@session.long_query_time = 10
1
'#--------------------FN_DYNVARS_068_03-------------------------#'
SET @@global.long_query_time = 0;
SELECT @@global.long_query_time;
@@global.long_query_time
0.000000
SET @@global.long_query_time = 1;
SELECT @@global.long_query_time;
@@global.long_query_time
1.000000
SET @@global.long_query_time = 60020;
SELECT @@global.long_query_time;
@@global.long_query_time
60020.000000
SET @@global.long_query_time = 31536000;
SELECT @@global.long_query_time;
@@global.long_query_time
31536000.000000
SET @@global.long_query_time = 65536;
SELECT @@global.long_query_time;
@@global.long_query_time
65536.000000
'#--------------------FN_DYNVARS_068_04-------------------------#'
SET @@session.long_query_time = 0;
SELECT @@session.long_query_time;
@@session.long_query_time
0.000000
SET @@session.long_query_time = 1;
SELECT @@session.long_query_time;
@@session.long_query_time
1.000000
SET @@session.long_query_time = 50050;
SELECT @@session.long_query_time;
@@session.long_query_time
50050.000000
SET @@session.long_query_time = 31536000;
SELECT @@session.long_query_time;
@@session.long_query_time
31536000.000000
SET @@session.long_query_time = 65550;
SELECT @@session.long_query_time;
@@session.long_query_time
65550.000000
'#------------------FN_DYNVARS_068_05-----------------------#'
SET @@global.long_query_time = 100000000000;
SELECT @@global.long_query_time;
@@global.long_query_time
31536000.000000
SET @@global.long_query_time = -1;
SELECT @@global.long_query_time;
@@global.long_query_time
0.000000
SET @@global.long_query_time = 65530.34.;
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 '.' at line 1
SELECT @@global.long_query_time;
@@global.long_query_time
0.000000
SET @@global.long_query_time = test;
ERROR 42000: Incorrect argument type to variable 'long_query_time'
SELECT @@global.long_query_time;
@@global.long_query_time
0.000000
SET @@session.long_query_time = 100000000000;
SELECT @@session.long_query_time;
@@session.long_query_time
31536000.000000
SET @@session.long_query_time = -2;
SELECT @@session.long_query_time;
@@session.long_query_time
0.000000
SET @@session.long_query_time = 65530.34.;
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 '.' at line 1
'Bug # 34837: Errors are not coming on assigning invalid values to variable';
SET @@session.long_query_time = test;
ERROR 42000: Incorrect argument type to variable 'long_query_time'
SELECT @@session.long_query_time;
@@session.long_query_time
0.000000
'#------------------FN_DYNVARS_068_06-----------------------#'
SELECT @@global.long_query_time = VARIABLE_VALUE 
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
WHERE VARIABLE_NAME='long_query_time';
@@global.long_query_time = VARIABLE_VALUE
1
'#------------------FN_DYNVARS_068_07-----------------------#'
SELECT @@session.long_query_time = VARIABLE_VALUE 
FROM INFORMATION_SCHEMA.SESSION_VARIABLES 
WHERE VARIABLE_NAME='long_query_time';
@@session.long_query_time = VARIABLE_VALUE
1
'#------------------FN_DYNVARS_068_08-----------------------#'
SET @@global.long_query_time = TRUE;
SELECT @@global.long_query_time;
@@global.long_query_time
1.000000
SET @@global.long_query_time = FALSE;
SELECT @@global.long_query_time;
@@global.long_query_time
0.000000
'#---------------------FN_DYNVARS_001_09----------------------#'
SET @@global.long_query_time = 10;
SELECT @@long_query_time = @@global.long_query_time;
@@long_query_time = @@global.long_query_time
0
'#---------------------FN_DYNVARS_001_10----------------------#'
SET @@long_query_time = 100;
SELECT @@long_query_time = @@local.long_query_time;
@@long_query_time = @@local.long_query_time
1
SELECT @@local.long_query_time = @@session.long_query_time;
@@local.long_query_time = @@session.long_query_time
1
'#---------------------FN_DYNVARS_001_11----------------------#'
SET long_query_time = 1;
SELECT @@long_query_time;
@@long_query_time
1.000000
SELECT local.long_query_time;
ERROR 42S02: Unknown table 'local' in field list
SELECT session.long_query_time;
ERROR 42S02: Unknown table 'session' in field list
SELECT long_query_time = @@session.long_query_time;
ERROR 42S22: Unknown column 'long_query_time' in 'field list'
SET @@global.long_query_time = @start_global_value;
SELECT @@global.long_query_time;
@@global.long_query_time
10.000000
SET @@session.long_query_time = @start_session_value;
SELECT @@session.long_query_time;
@@session.long_query_time
10.000000