SET @global_start_value = @@global.innodb_thread_concurrency;
SELECT @global_start_value;
@global_start_value
0
SET @default_innodb_thread_sleep_delay = @@global.innodb_thread_sleep_delay;
'#--------------------FN_DYNVARS_046_01------------------------#'
SET @@global.innodb_thread_concurrency = 0;
SET @@global.innodb_thread_concurrency = DEFAULT;
SELECT @@global.innodb_thread_concurrency;
@@global.innodb_thread_concurrency
0
'#---------------------FN_DYNVARS_046_02-------------------------#'
SET innodb_thread_concurrency = 1;
ERROR HY000: Variable 'innodb_thread_concurrency' is a GLOBAL variable and should be set with SET GLOBAL
SELECT @@innodb_thread_concurrency;
@@innodb_thread_concurrency
0
SELECT local.innodb_thread_concurrency;
ERROR 42S02: Unknown table 'local' in field list
SET global innodb_thread_concurrency = 0;
SELECT @@global.innodb_thread_concurrency;
@@global.innodb_thread_concurrency
0
'#--------------------FN_DYNVARS_046_03------------------------#'
SET @@global.innodb_thread_concurrency = 0;
SELECT @@global.innodb_thread_concurrency;
@@global.innodb_thread_concurrency
0
SET @@global.innodb_thread_concurrency = 1;
SELECT @@global.innodb_thread_concurrency;
@@global.innodb_thread_concurrency
1
SET @@global.innodb_thread_concurrency = 1000;
Warnings:
Warning	1210	Current innodb_thread_concurrency is too big for safety of log files. Consider decreasing it or increase number of log files.
SELECT @@global.innodb_thread_concurrency;
@@global.innodb_thread_concurrency
1000
'#--------------------FN_DYNVARS_046_04-------------------------#'
SET @@global.innodb_thread_concurrency = -1;
Warnings:
Warning	1292	Truncated incorrect innodb_thread_concurrency value: '-1'
SELECT @@global.innodb_thread_concurrency;
@@global.innodb_thread_concurrency
0
SET @@global.innodb_thread_concurrency = "T";
ERROR 42000: Incorrect argument type to variable 'innodb_thread_concurrency'
SELECT @@global.innodb_thread_concurrency;
@@global.innodb_thread_concurrency
0
SET @@global.innodb_thread_concurrency = "Y";
ERROR 42000: Incorrect argument type to variable 'innodb_thread_concurrency'
SELECT @@global.innodb_thread_concurrency;
@@global.innodb_thread_concurrency
0
SET @@global.innodb_thread_concurrency = ' ';
ERROR 42000: Incorrect argument type to variable 'innodb_thread_concurrency'
SELECT @@global.innodb_thread_concurrency;
@@global.innodb_thread_concurrency
0
SET @@global.innodb_thread_concurrency = " ";
ERROR 42000: Incorrect argument type to variable 'innodb_thread_concurrency'
SELECT @@global.innodb_thread_concurrency;
@@global.innodb_thread_concurrency
0
SET @@global.innodb_thread_concurrency = 1001;
Warnings:
Warning	1292	Truncated incorrect innodb_thread_concurrency value: '1001'
Warning	1210	Current innodb_thread_concurrency is too big for safety of log files. Consider decreasing it or increase number of log files.
SELECT @@global.innodb_thread_concurrency;
@@global.innodb_thread_concurrency
1000
SET @@global.innodb_thread_concurrency = 255.01;
ERROR 42000: Incorrect argument type to variable 'innodb_thread_concurrency'
SELECT @@global.innodb_thread_concurrency;
@@global.innodb_thread_concurrency
1000
'#----------------------FN_DYNVARS_046_05------------------------#'
SELECT @@global.innodb_thread_concurrency =
VARIABLE_VALUE FROM performance_schema.global_variables
WHERE VARIABLE_NAME='innodb_thread_concurrency';
@@global.innodb_thread_concurrency =
VARIABLE_VALUE
1
SELECT @@global.innodb_thread_concurrency;
@@global.innodb_thread_concurrency
1000
SELECT VARIABLE_VALUE FROM performance_schema.global_variables
WHERE VARIABLE_NAME='innodb_thread_concurrency';
VARIABLE_VALUE
1000
'#---------------------FN_DYNVARS_046_06-------------------------#'
SET @@global.innodb_thread_concurrency = OFF;
ERROR 42000: Incorrect argument type to variable 'innodb_thread_concurrency'
SELECT @@global.innodb_thread_concurrency;
@@global.innodb_thread_concurrency
1000
SET @@global.innodb_thread_concurrency = ON;
ERROR 42000: Incorrect argument type to variable 'innodb_thread_concurrency'
SELECT @@global.innodb_thread_concurrency;
@@global.innodb_thread_concurrency
1000
'#---------------------FN_DYNVARS_046_07----------------------#'
SET @@global.innodb_thread_concurrency = TRUE;
SELECT @@global.innodb_thread_concurrency;
@@global.innodb_thread_concurrency
1
SET @@global.innodb_thread_concurrency = FALSE;
SELECT @@global.innodb_thread_concurrency;
@@global.innodb_thread_concurrency
0
SET @@global.innodb_thread_concurrency = @global_start_value;
SELECT @@global.innodb_thread_concurrency;
@@global.innodb_thread_concurrency
0
SET @@global.innodb_thread_sleep_delay = @default_innodb_thread_sleep_delay;