SET @start_global_value = @@global.max_statement_time;
SELECT @start_global_value;
@start_global_value
0
SET @start_session_value = @@session.max_statement_time;
SELECT @start_session_value;
@start_session_value
0
'#--------------------FN_DYNVARS_068_01-------------------------#'
SET @@global.max_statement_time = 100;
SET @@global.max_statement_time = DEFAULT;
SELECT @@global.max_statement_time;
@@global.max_statement_time
0.000000
SET @@session.max_statement_time = 200;
SET @@session.max_statement_time = DEFAULT;
SELECT @@session.max_statement_time;
@@session.max_statement_time
0.000000
'#--------------------FN_DYNVARS_068_02-------------------------#'
SET @@global.max_statement_time = DEFAULT;
SELECT @@global.max_statement_time = 0;
@@global.max_statement_time = 0
1
SET @@session.max_statement_time = DEFAULT;
SELECT @@session.max_statement_time = 0;
@@session.max_statement_time = 0
1
'#--------------------FN_DYNVARS_068_03-------------------------#'
SET @@global.max_statement_time = 0;
SELECT @@global.max_statement_time;
@@global.max_statement_time
0.000000
SET @@global.max_statement_time = 0.123456;
SELECT @@global.max_statement_time;
@@global.max_statement_time
0.123456
SET @@global.max_statement_time = 60020;
SELECT @@global.max_statement_time;
@@global.max_statement_time
60020.000000
SET @@global.max_statement_time = 31536000;
SELECT @@global.max_statement_time;
@@global.max_statement_time
31536000.000000
SET @@global.max_statement_time = 65536;
SELECT @@global.max_statement_time;
@@global.max_statement_time
65536.000000
'#--------------------FN_DYNVARS_068_04-------------------------#'
SET @@session.max_statement_time = 0;
SELECT @@session.max_statement_time;
@@session.max_statement_time
0.000000
SET @@session.max_statement_time = 1;
SELECT @@session.max_statement_time;
@@session.max_statement_time
1.000000
SET @@session.max_statement_time = 50050;
SELECT @@session.max_statement_time;
@@session.max_statement_time
50050.000000
SET @@session.max_statement_time = 31536000;
SELECT @@session.max_statement_time;
@@session.max_statement_time
31536000.000000
SET @@session.max_statement_time = 65550;
SELECT @@session.max_statement_time;
@@session.max_statement_time
65550.000000
'#------------------FN_DYNVARS_068_05-----------------------#'
SET @@global.max_statement_time = 100000000000;
Warnings:
Warning	1292	Truncated incorrect max_statement_time value: '100000000000'
SELECT @@global.max_statement_time;
@@global.max_statement_time
31536000.000000
SET @@global.max_statement_time = -1;
Warnings:
Warning	1292	Truncated incorrect max_statement_time value: '-1'
SELECT @@global.max_statement_time;
@@global.max_statement_time
0.000000
SET @@global.max_statement_time = 65530.34;
SELECT @@global.max_statement_time;
@@global.max_statement_time
65530.340000
SET @@global.max_statement_time = test;
ERROR 42000: Incorrect argument type to variable 'max_statement_time'
SELECT @@global.max_statement_time;
@@global.max_statement_time
65530.340000
SET @@session.max_statement_time = 100000000000;
Warnings:
Warning	1292	Truncated incorrect max_statement_time value: '100000000000'
SELECT @@session.max_statement_time;
@@session.max_statement_time
31536000.000000
SET @@session.max_statement_time = -2;
Warnings:
Warning	1292	Truncated incorrect max_statement_time value: '-2'
SELECT @@session.max_statement_time;
@@session.max_statement_time
0.000000
SET @@session.max_statement_time = 65530.34;
SELECT @@session.max_statement_time;
@@session.max_statement_time
65530.340000
SET @@session.max_statement_time = test;
ERROR 42000: Incorrect argument type to variable 'max_statement_time'
SELECT @@session.max_statement_time;
@@session.max_statement_time
65530.340000
'#------------------FN_DYNVARS_068_06-----------------------#'
SELECT @@global.max_statement_time = VARIABLE_VALUE 
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
WHERE VARIABLE_NAME='max_statement_time';
@@global.max_statement_time = VARIABLE_VALUE
1
'#------------------FN_DYNVARS_068_07-----------------------#'
SELECT @@session.max_statement_time = VARIABLE_VALUE 
FROM INFORMATION_SCHEMA.SESSION_VARIABLES 
WHERE VARIABLE_NAME='max_statement_time';
@@session.max_statement_time = VARIABLE_VALUE
1
'#------------------FN_DYNVARS_068_08-----------------------#'
SET @@global.max_statement_time = TRUE;
SELECT @@global.max_statement_time;
@@global.max_statement_time
1.000000
SET @@global.max_statement_time = FALSE;
SELECT @@global.max_statement_time;
@@global.max_statement_time
0.000000
'#---------------------FN_DYNVARS_001_09----------------------#'
SET @@global.max_statement_time = 10;
SELECT @@max_statement_time = @@global.max_statement_time;
@@max_statement_time = @@global.max_statement_time
0
'#---------------------FN_DYNVARS_001_10----------------------#'
SET @@max_statement_time = 100;
SELECT @@max_statement_time = @@local.max_statement_time;
@@max_statement_time = @@local.max_statement_time
1
SELECT @@local.max_statement_time = @@session.max_statement_time;
@@local.max_statement_time = @@session.max_statement_time
1
'#---------------------FN_DYNVARS_001_11----------------------#'
SET max_statement_time = 1;
SELECT @@max_statement_time;
@@max_statement_time
1.000000
SELECT local.max_statement_time;
ERROR 42S02: Unknown table 'local' in field list
SELECT session.max_statement_time;
ERROR 42S02: Unknown table 'session' in field list
SELECT max_statement_time = @@session.max_statement_time;
ERROR 42S22: Unknown column 'max_statement_time' in 'field list'
#
# Check that one can use max_statement_time as a field
#
drop table if exists t1;
create table t1 (a int, max_statement_time int);
drop table t1;
SET @@global.max_statement_time = @start_global_value;
SELECT @@global.max_statement_time;
@@global.max_statement_time
0.000000
SET @@session.max_statement_time = @start_session_value;
SELECT @@session.max_statement_time;
@@session.max_statement_time
0.000000