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|
SET @start_value = @@global.max_prepared_stmt_count;
SELECT @start_value;
@start_value
16382
'#--------------------FN_DYNVARS_081_01------------------------#'
SET @@global.max_prepared_stmt_count = 5000;
SET @@global.max_prepared_stmt_count = DEFAULT;
SELECT @@global.max_prepared_stmt_count;
@@global.max_prepared_stmt_count
16382
'#---------------------FN_DYNVARS_081_02-------------------------#'
SET @@global.max_prepared_stmt_count = @start_value;
SELECT @@global.max_prepared_stmt_count = 16382;
@@global.max_prepared_stmt_count = 16382
1
'#--------------------FN_DYNVARS_081_03------------------------#'
SET @@global.max_prepared_stmt_count = 0;
SELECT @@global.max_prepared_stmt_count;
@@global.max_prepared_stmt_count
0
SET @@global.max_prepared_stmt_count = 1;
SELECT @@global.max_prepared_stmt_count;
@@global.max_prepared_stmt_count
1
SET @@global.max_prepared_stmt_count = 1048576;
SELECT @@global.max_prepared_stmt_count;
@@global.max_prepared_stmt_count
1048576
SET @@global.max_prepared_stmt_count = 1048575;
SELECT @@global.max_prepared_stmt_count;
@@global.max_prepared_stmt_count
1048575
SET @@global.max_prepared_stmt_count = 65535;
SELECT @@global.max_prepared_stmt_count;
@@global.max_prepared_stmt_count
65535
'#--------------------FN_DYNVARS_081_04-------------------------#'
SET @@global.max_prepared_stmt_count = -1;
Warnings:
Warning 1292 Truncated incorrect max_prepared_stmt_count value: '-1'
SELECT @@global.max_prepared_stmt_count;
@@global.max_prepared_stmt_count
0
SET @@global.max_prepared_stmt_count = 100000000000;
Warnings:
Warning 1292 Truncated incorrect max_prepared_stmt_count value: '100000000000'
SELECT @@global.max_prepared_stmt_count;
@@global.max_prepared_stmt_count
4294967295
SET @@global.max_prepared_stmt_count = 10000.01;
ERROR 42000: Incorrect argument type to variable 'max_prepared_stmt_count'
SELECT @@global.max_prepared_stmt_count;
@@global.max_prepared_stmt_count
4294967295
SET @@global.max_prepared_stmt_count = -1024;
Warnings:
Warning 1292 Truncated incorrect max_prepared_stmt_count value: '-1024'
SELECT @@global.max_prepared_stmt_count;
@@global.max_prepared_stmt_count
0
SET @@global.max_prepared_stmt_count = 4294967296;
Warnings:
Warning 1292 Truncated incorrect max_prepared_stmt_count value: '4294967296'
SELECT @@global.max_prepared_stmt_count;
@@global.max_prepared_stmt_count
4294967295
SET @@global.max_prepared_stmt_count = 4294967295*1024;
Warnings:
Warning 1292 Truncated incorrect max_prepared_stmt_count value: '4398046510080'
SELECT @@global.max_prepared_stmt_count;
@@global.max_prepared_stmt_count
4294967295
SET @@global.max_prepared_stmt_count = ON;
ERROR 42000: Incorrect argument type to variable 'max_prepared_stmt_count'
SELECT @@global.max_prepared_stmt_count;
@@global.max_prepared_stmt_count
4294967295
SET @@global.max_prepared_stmt_count = 'test';
ERROR 42000: Incorrect argument type to variable 'max_prepared_stmt_count'
SELECT @@global.max_prepared_stmt_count;
@@global.max_prepared_stmt_count
4294967295
'#-------------------FN_DYNVARS_081_05----------------------------#'
SET @@session.max_prepared_stmt_count = 4096;
ERROR HY000: Variable 'max_prepared_stmt_count' is a GLOBAL variable and should be set with SET GLOBAL
SELECT @@session.max_prepared_stmt_count;
ERROR HY000: Variable 'max_prepared_stmt_count' is a GLOBAL variable
'#----------------------FN_DYNVARS_081_06------------------------#'
SELECT @@global.max_prepared_stmt_count = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='max_prepared_stmt_count';
@@global.max_prepared_stmt_count = VARIABLE_VALUE
1
SELECT @@max_prepared_stmt_count = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.SESSION_VARIABLES
WHERE VARIABLE_NAME='max_prepared_stmt_count';
@@max_prepared_stmt_count = VARIABLE_VALUE
1
'#---------------------FN_DYNVARS_081_07----------------------#'
SET @@global.max_prepared_stmt_count = TRUE;
SELECT @@global.max_prepared_stmt_count;
@@global.max_prepared_stmt_count
1
SET @@global.max_prepared_stmt_count = FALSE;
SELECT @@global.max_prepared_stmt_count;
@@global.max_prepared_stmt_count
0
'#---------------------FN_DYNVARS_081_08----------------------#'
SET @@global.max_prepared_stmt_count = 5000;
SELECT @@max_prepared_stmt_count = @@global.max_prepared_stmt_count;
@@max_prepared_stmt_count = @@global.max_prepared_stmt_count
1
'#---------------------FN_DYNVARS_081_09----------------------#'
SET max_prepared_stmt_count = 6000;
ERROR HY000: Variable 'max_prepared_stmt_count' is a GLOBAL variable and should be set with SET GLOBAL
SELECT @@max_prepared_stmt_count;
@@max_prepared_stmt_count
5000
SELECT local.max_prepared_stmt_count;
ERROR 42S02: Unknown table 'local' in SELECT
SELECT global.max_prepared_stmt_count;
ERROR 42S02: Unknown table 'global' in SELECT
SELECT max_prepared_stmt_count = @@session.max_prepared_stmt_count;
ERROR 42S22: Unknown column 'max_prepared_stmt_count' in 'SELECT'
SET @@global.max_prepared_stmt_count = @start_value;
SELECT @@global.max_prepared_stmt_count;
@@global.max_prepared_stmt_count
16382
|
