SET @global_start_value = @@global.innodb_concurrency_tickets;
SELECT @global_start_value;
@global_start_value
500
'#--------------------FN_DYNVARS_046_01------------------------#'
SET @@global.innodb_concurrency_tickets = 0;
Warnings:
Warning	1292	Truncated incorrect concurrency_tickets value: '0'
SET @@global.innodb_concurrency_tickets = DEFAULT;
SELECT @@global.innodb_concurrency_tickets;
@@global.innodb_concurrency_tickets
500
'#---------------------FN_DYNVARS_046_02-------------------------#'
SET innodb_concurrency_tickets = 1;
ERROR HY000: Variable 'innodb_concurrency_tickets' is a GLOBAL variable and should be set with SET GLOBAL
SELECT @@innodb_concurrency_tickets;
@@innodb_concurrency_tickets
500
SELECT local.innodb_concurrency_tickets;
ERROR 42S02: Unknown table 'local' in field list
SET global innodb_concurrency_tickets = 0;
Warnings:
Warning	1292	Truncated incorrect concurrency_tickets value: '0'
SELECT @@global.innodb_concurrency_tickets;
@@global.innodb_concurrency_tickets
1
'#--------------------FN_DYNVARS_046_03------------------------#'
SET @@global.innodb_concurrency_tickets = 1;
SELECT @@global.innodb_concurrency_tickets;
@@global.innodb_concurrency_tickets
1
SET @@global.innodb_concurrency_tickets = 1000;
SELECT @@global.innodb_concurrency_tickets;
@@global.innodb_concurrency_tickets
1000
SET @@global.innodb_concurrency_tickets = 4294967295;
SELECT @@global.innodb_concurrency_tickets;
@@global.innodb_concurrency_tickets
4294967295
'#--------------------FN_DYNVARS_046_04-------------------------#'
SET @@global.innodb_concurrency_tickets = -1;
SELECT @@global.innodb_concurrency_tickets;
@@global.innodb_concurrency_tickets
18446744073709551615
SET @@global.innodb_concurrency_tickets = "T";
ERROR 42000: Incorrect argument type to variable 'innodb_concurrency_tickets'
SELECT @@global.innodb_concurrency_tickets;
@@global.innodb_concurrency_tickets
18446744073709551615
SET @@global.innodb_concurrency_tickets = "Y";
ERROR 42000: Incorrect argument type to variable 'innodb_concurrency_tickets'
SELECT @@global.innodb_concurrency_tickets;
@@global.innodb_concurrency_tickets
18446744073709551615
SET @@global.innodb_concurrency_tickets = 1001;
SELECT @@global.innodb_concurrency_tickets;
@@global.innodb_concurrency_tickets
1001
'#----------------------FN_DYNVARS_046_05------------------------#'
SELECT @@global.innodb_concurrency_tickets =
VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_concurrency_tickets';
@@global.innodb_concurrency_tickets =
VARIABLE_VALUE
1
SELECT @@global.innodb_concurrency_tickets;
@@global.innodb_concurrency_tickets
1001
SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_concurrency_tickets';
VARIABLE_VALUE
1001
'#---------------------FN_DYNVARS_046_06-------------------------#'
SET @@global.innodb_concurrency_tickets = OFF;
ERROR 42000: Incorrect argument type to variable 'innodb_concurrency_tickets'
SELECT @@global.innodb_concurrency_tickets;
@@global.innodb_concurrency_tickets
1001
SET @@global.innodb_concurrency_tickets = ON;
ERROR 42000: Incorrect argument type to variable 'innodb_concurrency_tickets'
SELECT @@global.innodb_concurrency_tickets;
@@global.innodb_concurrency_tickets
1001
'#---------------------FN_DYNVARS_046_07----------------------#'
SET @@global.innodb_concurrency_tickets = TRUE;
SELECT @@global.innodb_concurrency_tickets;
@@global.innodb_concurrency_tickets
1
SET @@global.innodb_concurrency_tickets = FALSE;
Warnings:
Warning	1292	Truncated incorrect concurrency_tickets value: '0'
SELECT @@global.innodb_concurrency_tickets;
@@global.innodb_concurrency_tickets
1
SET @@global.innodb_concurrency_tickets = @global_start_value;
SELECT @@global.innodb_concurrency_tickets;
@@global.innodb_concurrency_tickets
500