SET @global_start_value = @@global.innodb_purge_rseg_truncate_frequency;
SELECT @global_start_value;
@global_start_value
128
'#--------------------FN_DYNVARS_046_01------------------------#'
SET @@global.innodb_purge_rseg_truncate_frequency = 1;
SET @@global.innodb_purge_rseg_truncate_frequency = DEFAULT;
SELECT @@global.innodb_purge_rseg_truncate_frequency;
@@global.innodb_purge_rseg_truncate_frequency
128
'#---------------------FN_DYNVARS_046_02-------------------------#'
SET innodb_purge_rseg_truncate_frequency = 1;
ERROR HY000: Variable 'innodb_purge_rseg_truncate_frequency' is a GLOBAL variable and should be set with SET GLOBAL
SELECT @@innodb_purge_rseg_truncate_frequency;
@@innodb_purge_rseg_truncate_frequency
128
SELECT local.innodb_purge_rseg_truncate_frequency;
ERROR 42S02: Unknown table 'local' in field list
SET global innodb_purge_rseg_truncate_frequency = 1;
SELECT @@global.innodb_purge_rseg_truncate_frequency;
@@global.innodb_purge_rseg_truncate_frequency
1
'#--------------------FN_DYNVARS_046_03------------------------#'
SET @@global.innodb_purge_rseg_truncate_frequency = 1;
SELECT @@global.innodb_purge_rseg_truncate_frequency;
@@global.innodb_purge_rseg_truncate_frequency
1
SET @@global.innodb_purge_rseg_truncate_frequency = 1;
SELECT @@global.innodb_purge_rseg_truncate_frequency;
@@global.innodb_purge_rseg_truncate_frequency
1
SET @@global.innodb_purge_rseg_truncate_frequency = 128;
SELECT @@global.innodb_purge_rseg_truncate_frequency;
@@global.innodb_purge_rseg_truncate_frequency
128
'#--------------------FN_DYNVARS_046_05-------------------------#'
SET @@global.innodb_purge_rseg_truncate_frequency = -1;
Warnings:
Warning	1292	Truncated incorrect innodb_purge_rseg_truncate_fr... value: '-1'
SELECT @@global.innodb_purge_rseg_truncate_frequency;
@@global.innodb_purge_rseg_truncate_frequency
1
SET @@global.innodb_purge_rseg_truncate_frequency = -1024;
Warnings:
Warning	1292	Truncated incorrect innodb_purge_rseg_truncate_fr... value: '-1024'
SELECT @@global.innodb_purge_rseg_truncate_frequency;
@@global.innodb_purge_rseg_truncate_frequency
1
SET @@global.innodb_purge_rseg_truncate_frequency = "T";
ERROR 42000: Incorrect argument type to variable 'innodb_purge_rseg_truncate_frequency'
SELECT @@global.innodb_purge_rseg_truncate_frequency;
@@global.innodb_purge_rseg_truncate_frequency
1
SET @@global.innodb_purge_rseg_truncate_frequency = "Y";
ERROR 42000: Incorrect argument type to variable 'innodb_purge_rseg_truncate_frequency'
SELECT @@global.innodb_purge_rseg_truncate_frequency;
@@global.innodb_purge_rseg_truncate_frequency
1
SET @@global.innodb_purge_rseg_truncate_frequency = 1.1;
ERROR 42000: Incorrect argument type to variable 'innodb_purge_rseg_truncate_frequency'
SELECT @@global.innodb_purge_rseg_truncate_frequency;
@@global.innodb_purge_rseg_truncate_frequency
1
SET @@global.innodb_purge_rseg_truncate_frequency = ' ';
ERROR 42000: Incorrect argument type to variable 'innodb_purge_rseg_truncate_frequency'
SELECT @@global.innodb_purge_rseg_truncate_frequency;
@@global.innodb_purge_rseg_truncate_frequency
1
SET @@global.innodb_purge_rseg_truncate_frequency = " ";
ERROR 42000: Incorrect argument type to variable 'innodb_purge_rseg_truncate_frequency'
SELECT @@global.innodb_purge_rseg_truncate_frequency;
@@global.innodb_purge_rseg_truncate_frequency
1
'#----------------------FN_DYNVARS_046_06------------------------#'
SELECT @@global.innodb_purge_rseg_truncate_frequency =
VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_purge_rseg_truncate_frequency';
@@global.innodb_purge_rseg_truncate_frequency =
VARIABLE_VALUE
1
SELECT @@global.innodb_purge_rseg_truncate_frequency;
@@global.innodb_purge_rseg_truncate_frequency
1
SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_purge_rseg_truncate_frequency';
VARIABLE_VALUE
1
'#---------------------FN_DYNVARS_046_07-------------------------#'
SET @@global.innodb_purge_rseg_truncate_frequency = OFF;
ERROR 42000: Incorrect argument type to variable 'innodb_purge_rseg_truncate_frequency'
SELECT @@global.innodb_purge_rseg_truncate_frequency;
@@global.innodb_purge_rseg_truncate_frequency
1
SET @@global.innodb_purge_rseg_truncate_frequency = ON;
ERROR 42000: Incorrect argument type to variable 'innodb_purge_rseg_truncate_frequency'
SELECT @@global.innodb_purge_rseg_truncate_frequency;
@@global.innodb_purge_rseg_truncate_frequency
1
'#---------------------FN_DYNVARS_046_08----------------------#'
SET @@global.innodb_purge_rseg_truncate_frequency = TRUE;
SELECT @@global.innodb_purge_rseg_truncate_frequency;
@@global.innodb_purge_rseg_truncate_frequency
1
SET @@global.innodb_purge_rseg_truncate_frequency = FALSE;
Warnings:
Warning	1292	Truncated incorrect innodb_purge_rseg_truncate_fr... value: '0'
SELECT @@global.innodb_purge_rseg_truncate_frequency;
@@global.innodb_purge_rseg_truncate_frequency
1
SET @@global.innodb_purge_rseg_truncate_frequency = @global_start_value;
SELECT @@global.innodb_purge_rseg_truncate_frequency;
@@global.innodb_purge_rseg_truncate_frequency
128