SET @start_global_value = @@global.max_delayed_threads;
SELECT @start_global_value;
@start_global_value
20
SET @start_session_value = @@session.max_delayed_threads;
SELECT @start_session_value;
@start_session_value
20
'#--------------------FN_DYNVARS_075_01-------------------------#'
SET @@global.max_delayed_threads = 1000;
SET @@global.max_delayed_threads = DEFAULT;
SELECT @@global.max_delayed_threads;
@@global.max_delayed_threads
20
SET @@session.max_delayed_threads = 1000;
ERROR 42000: Variable 'max_delayed_threads' can't be set to the value of '1000'
SET @@session.max_delayed_threads = DEFAULT;
SELECT @@session.max_delayed_threads;
@@session.max_delayed_threads
20
'#--------------------FN_DYNVARS_075_02-------------------------#'
SET @@global.max_delayed_threads = DEFAULT;
SELECT @@global.max_delayed_threads = 20;
@@global.max_delayed_threads = 20
1
SET @@session.max_delayed_threads = DEFAULT;
SELECT @@session.max_delayed_threads = 20;
@@session.max_delayed_threads = 20
1
'#--------------------FN_DYNVARS_075_03-------------------------#'
SET @@global.max_delayed_threads = 1;
SELECT @@global.max_delayed_threads;
@@global.max_delayed_threads
1
SET @@global.max_delayed_threads = 1025;
SELECT @@global.max_delayed_threads;
@@global.max_delayed_threads
1025
SET @@global.max_delayed_threads = 0;
SELECT @@global.max_delayed_threads;
@@global.max_delayed_threads
0
SET @@global.max_delayed_threads = 16384;
SELECT @@global.max_delayed_threads;
@@global.max_delayed_threads
16384
SET @@global.max_delayed_threads = 16383;
SELECT @@global.max_delayed_threads;
@@global.max_delayed_threads
16383
'#--------------------FN_DYNVARS_075_04-------------------------#'
SET @@session.max_delayed_threads = 1;
ERROR 42000: Variable 'max_delayed_threads' can't be set to the value of '1'
SELECT @@session.max_delayed_threads;
@@session.max_delayed_threads
20
SET @@session.max_delayed_threads = 1025;
ERROR 42000: Variable 'max_delayed_threads' can't be set to the value of '1025'
SELECT @@session.max_delayed_threads;
@@session.max_delayed_threads
20
SET @@session.max_delayed_threads = 0;
SELECT @@session.max_delayed_threads;
@@session.max_delayed_threads
0
SET @@session.max_delayed_threads = 16384;
ERROR 42000: Variable 'max_delayed_threads' can't be set to the value of '16384'
SELECT @@session.max_delayed_threads;
@@session.max_delayed_threads
0
SET @@session.max_delayed_threads = 16383;
SELECT @@session.max_delayed_threads;
@@session.max_delayed_threads
16383
'#------------------FN_DYNVARS_075_05-----------------------#'
SET @@global.max_delayed_threads = -1024;
Warnings:
Warning	1292	Truncated incorrect max_delayed_threads value: '-1024'
SELECT @@global.max_delayed_threads;
@@global.max_delayed_threads
0
SET @@global.max_delayed_threads = -1;
Warnings:
Warning	1292	Truncated incorrect max_delayed_threads value: '-1'
SELECT @@global.max_delayed_threads;
@@global.max_delayed_threads
0
SET @@global.max_delayed_threads = 16385;
Warnings:
Warning	1292	Truncated incorrect max_delayed_threads value: '16385'
SELECT @@global.max_delayed_threads;
@@global.max_delayed_threads
16384
SET @@global.max_delayed_threads = 65530.34;
ERROR 42000: Incorrect argument type to variable 'max_delayed_threads'
SELECT @@global.max_delayed_threads;
@@global.max_delayed_threads
16384
SET @@global.max_delayed_threads = test;
ERROR 42000: Incorrect argument type to variable 'max_delayed_threads'
SELECT @@global.max_delayed_threads;
@@global.max_delayed_threads
16384
SET @@session.max_delayed_threads = 16385;
Warnings:
Warning	1292	Truncated incorrect max_delayed_threads value: '16385'
SELECT @@session.max_delayed_threads;
@@session.max_delayed_threads
16384
SET @@session.max_delayed_threads = -1;
Warnings:
Warning	1292	Truncated incorrect max_delayed_threads value: '-1'
SELECT @@session.max_delayed_threads;
@@session.max_delayed_threads
0
SET @@session.max_delayed_threads = -2;
Warnings:
Warning	1292	Truncated incorrect max_delayed_threads value: '-2'
SELECT @@session.max_delayed_threads;
@@session.max_delayed_threads
0
SET @@session.max_delayed_threads = 65530.34;
ERROR 42000: Incorrect argument type to variable 'max_delayed_threads'
SET @@session.max_delayed_threads = 10737418241;
Warnings:
Warning	1292	Truncated incorrect max_delayed_threads value: '10737418241'
SELECT @@session.max_delayed_threads;
@@session.max_delayed_threads
16384
SET @@session.max_delayed_threads = test;
ERROR 42000: Incorrect argument type to variable 'max_delayed_threads'
SELECT @@session.max_delayed_threads;
@@session.max_delayed_threads
16384
'#------------------FN_DYNVARS_075_06-----------------------#'
SELECT @@global.max_delayed_threads = VARIABLE_VALUE 
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
WHERE VARIABLE_NAME='max_delayed_threads';
@@global.max_delayed_threads = VARIABLE_VALUE
1
'#------------------FN_DYNVARS_075_07-----------------------#'
SELECT @@session.max_delayed_threads = VARIABLE_VALUE 
FROM INFORMATION_SCHEMA.SESSION_VARIABLES 
WHERE VARIABLE_NAME='max_delayed_threads';
@@session.max_delayed_threads = VARIABLE_VALUE
1
'#------------------FN_DYNVARS_075_08-----------------------#'
SET @@global.max_delayed_threads = TRUE;
SELECT @@global.max_delayed_threads;
@@global.max_delayed_threads
1
SET @@global.max_delayed_threads = FALSE;
SELECT @@global.max_delayed_threads;
@@global.max_delayed_threads
0
'#---------------------FN_DYNVARS_001_09----------------------#'
SET @@global.max_delayed_threads = 2048;
SELECT @@max_delayed_threads = @@global.max_delayed_threads;
@@max_delayed_threads = @@global.max_delayed_threads
0
'#---------------------FN_DYNVARS_001_10----------------------#'
SET @@max_delayed_threads = 100000;
ERROR 42000: Variable 'max_delayed_threads' can't be set to the value of '100000'
SELECT @@max_delayed_threads = @@local.max_delayed_threads;
@@max_delayed_threads = @@local.max_delayed_threads
1
SELECT @@local.max_delayed_threads = @@session.max_delayed_threads;
@@local.max_delayed_threads = @@session.max_delayed_threads
1
'#---------------------FN_DYNVARS_001_11----------------------#'
SET max_delayed_threads = 1024;
ERROR 42000: Variable 'max_delayed_threads' can't be set to the value of '1024'
SELECT @@max_delayed_threads;
@@max_delayed_threads
16384
SELECT local.max_delayed_threads;
ERROR 42S02: Unknown table 'local' in field list
SELECT session.max_delayed_threads;
ERROR 42S02: Unknown table 'session' in field list
SELECT max_delayed_threads = @@session.max_delayed_threads;
ERROR 42S22: Unknown column 'max_delayed_threads' in 'field list'
SET @@global.max_delayed_threads = @start_global_value;
SELECT @@global.max_delayed_threads;
@@global.max_delayed_threads
20
SET @@session.max_delayed_threads = @start_session_value;
SELECT @@session.max_delayed_threads;
@@session.max_delayed_threads
20