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SET @global_start_value = @@global.innodb_sync_spin_loops;
SELECT @global_start_value;
@global_start_value
30
'#--------------------FN_DYNVARS_046_01------------------------#'
SET @@global.innodb_sync_spin_loops = 0;
SET @@global.innodb_sync_spin_loops = DEFAULT;
SELECT @@global.innodb_sync_spin_loops;
@@global.innodb_sync_spin_loops
30
'#---------------------FN_DYNVARS_046_02-------------------------#'
SET innodb_sync_spin_loops = 1;
ERROR HY000: Variable 'innodb_sync_spin_loops' is a GLOBAL variable and should be set with SET GLOBAL
SELECT @@innodb_sync_spin_loops;
@@innodb_sync_spin_loops
30
SELECT local.innodb_sync_spin_loops;
ERROR 42S02: Unknown table 'local' in field list
SET global innodb_sync_spin_loops = 0;
SELECT @@global.innodb_sync_spin_loops;
@@global.innodb_sync_spin_loops
0
'#--------------------FN_DYNVARS_046_03------------------------#'
SET @@global.innodb_sync_spin_loops = 0;
SELECT @@global.innodb_sync_spin_loops;
@@global.innodb_sync_spin_loops
0
SET @@global.innodb_sync_spin_loops = 65535;
SELECT @@global.innodb_sync_spin_loops;
@@global.innodb_sync_spin_loops
65535
SET @@global.innodb_sync_spin_loops = 4294967295;
SELECT @@global.innodb_sync_spin_loops;
@@global.innodb_sync_spin_loops
4294967295
'#--------------------FN_DYNVARS_046_04-------------------------#'
SET @@global.innodb_sync_spin_loops = 4294967296;
SELECT @@global.innodb_sync_spin_loops IN (4294967296,4294967295);
@@global.innodb_sync_spin_loops IN (4294967296,4294967295)
1
SET @@global.innodb_sync_spin_loops = 12345678901;
SELECT @@global.innodb_sync_spin_loops IN (12345678901,4294967295);
@@global.innodb_sync_spin_loops IN (12345678901,4294967295)
1
SET @@global.innodb_sync_spin_loops = 18446744073709551615;
SELECT @@global.innodb_sync_spin_loops IN (18446744073709551615,4294967295);
@@global.innodb_sync_spin_loops IN (18446744073709551615,4294967295)
1
'#--------------------FN_DYNVARS_046_05-------------------------#'
SET @@global.innodb_sync_spin_loops = -1;
Warnings:
Warning 1292 Truncated incorrect innodb_sync_spin_loops value: '-1'
SELECT @@global.innodb_sync_spin_loops;
@@global.innodb_sync_spin_loops
0
SET @@global.innodb_sync_spin_loops = "T";
ERROR 42000: Incorrect argument type to variable 'innodb_sync_spin_loops'
SELECT @@global.innodb_sync_spin_loops;
@@global.innodb_sync_spin_loops
0
SET @@global.innodb_sync_spin_loops = "Y";
ERROR 42000: Incorrect argument type to variable 'innodb_sync_spin_loops'
SELECT @@global.innodb_sync_spin_loops;
@@global.innodb_sync_spin_loops
0
SET @@global.innodb_sync_spin_loops = 65535.01;
ERROR 42000: Incorrect argument type to variable 'innodb_sync_spin_loops'
SELECT @@global.innodb_sync_spin_loops;
@@global.innodb_sync_spin_loops
0
SET @@global.innodb_sync_spin_loops = -1024;
Warnings:
Warning 1292 Truncated incorrect innodb_sync_spin_loops value: '-1024'
SELECT @@global.innodb_sync_spin_loops;
@@global.innodb_sync_spin_loops
0
SET @@global.innodb_sync_spin_loops = " ";
ERROR 42000: Incorrect argument type to variable 'innodb_sync_spin_loops'
SELECT @@global.innodb_sync_spin_loops;
@@global.innodb_sync_spin_loops
0
SET @@global.innodb_sync_spin_loops = ' ';
ERROR 42000: Incorrect argument type to variable 'innodb_sync_spin_loops'
SELECT @@global.innodb_sync_spin_loops;
@@global.innodb_sync_spin_loops
0
'#----------------------FN_DYNVARS_046_06------------------------#'
SELECT @@global.innodb_sync_spin_loops =
VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_sync_spin_loops';
@@global.innodb_sync_spin_loops =
VARIABLE_VALUE
1
SELECT @@global.innodb_sync_spin_loops;
@@global.innodb_sync_spin_loops
0
SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_sync_spin_loops';
VARIABLE_VALUE
0
'#---------------------FN_DYNVARS_046_07-------------------------#'
SET @@global.innodb_sync_spin_loops = OFF;
ERROR 42000: Incorrect argument type to variable 'innodb_sync_spin_loops'
SELECT @@global.innodb_sync_spin_loops;
@@global.innodb_sync_spin_loops
0
SET @@global.innodb_sync_spin_loops = ON;
ERROR 42000: Incorrect argument type to variable 'innodb_sync_spin_loops'
SELECT @@global.innodb_sync_spin_loops;
@@global.innodb_sync_spin_loops
0
'#---------------------FN_DYNVARS_046_08----------------------#'
SET @@global.innodb_sync_spin_loops = TRUE;
SELECT @@global.innodb_sync_spin_loops;
@@global.innodb_sync_spin_loops
1
SET @@global.innodb_sync_spin_loops = FALSE;
SELECT @@global.innodb_sync_spin_loops;
@@global.innodb_sync_spin_loops
0
SET @@global.innodb_sync_spin_loops = @global_start_value;
SELECT @@global.innodb_sync_spin_loops;
@@global.innodb_sync_spin_loops
30
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