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SET @start_value = @@global.table_definition_cache;
SELECT @start_value;
@start_value
128
'#--------------------FN_DYNVARS_019_01------------------------#'
SET @@global.table_definition_cache = 100;
SET @@global.table_definition_cache = DEFAULT;
SELECT @@global.table_definition_cache;
@@global.table_definition_cache
128
'#---------------------FN_DYNVARS_019_02-------------------------#'
SET @@global.table_definition_cache = DEFAULT;
SELECT @@global.table_definition_cache = 128;
@@global.table_definition_cache = 128
1
'#--------------------FN_DYNVARS_019_03------------------------#'
SET @@global.table_definition_cache = 1;
SELECT @@global.table_definition_cache;
@@global.table_definition_cache
1
SET @@global.table_definition_cache = 2;
SELECT @@global.table_definition_cache;
@@global.table_definition_cache
2
SET @@global.table_definition_cache = 524287;
SELECT @@global.table_definition_cache;
@@global.table_definition_cache
524287
SET @@global.table_definition_cache = 524288;
SELECT @@global.table_definition_cache;
@@global.table_definition_cache
524288
'#--------------------FN_DYNVARS_019_04-------------------------#'
SET @@global.table_definition_cache = 0;
Warnings:
Warning 1292 Truncated incorrect table_definition_cache value: '0'
SELECT @@global.table_definition_cache;
@@global.table_definition_cache
1
SET @@global.table_definition_cache = -1024;
Warnings:
Warning 1292 Truncated incorrect table_definition_cache value: '0'
SELECT @@global.table_definition_cache;
@@global.table_definition_cache
1
SET @@global.table_definition_cache = 524289;
Warnings:
Warning 1292 Truncated incorrect table_definition_cache value: '524289'
SELECT @@global.table_definition_cache;
@@global.table_definition_cache
524288
SET @@global.table_definition_cache = 42949672950;
Warnings:
Warning 1292 Truncated incorrect table_definition_cache value: '42949672950'
SELECT @@global.table_definition_cache;
@@global.table_definition_cache
524288
'Bug # 34837: Errors are not coming on assigning invalid values to variable';
SET @@global.table_definition_cache = 21221204.10;
ERROR 42000: Incorrect argument type to variable 'table_definition_cache'
SET @@global.table_definition_cache = ON;
ERROR 42000: Incorrect argument type to variable 'table_definition_cache'
'#-------------------FN_DYNVARS_019_05----------------------------#'
SET @@session.table_definition_cache = 0;
ERROR HY000: Variable 'table_definition_cache' is a GLOBAL variable and should be set with SET GLOBAL
SELECT @@session.table_definition_cache;
ERROR HY000: Variable 'table_definition_cache' is a GLOBAL variable
'#----------------------FN_DYNVARS_019_06------------------------#'
SELECT @@global.table_definition_cache = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='table_definition_cache';
@@global.table_definition_cache = VARIABLE_VALUE
1
'#---------------------FN_DYNVARS_019_07----------------------#'
SET @@global.table_definition_cache = TRUE;
SELECT @@global.table_definition_cache;
@@global.table_definition_cache
1
SET @@global.table_definition_cache = FALSE;
Warnings:
Warning 1292 Truncated incorrect table_definition_cache value: '0'
SELECT @@global.table_definition_cache;
@@global.table_definition_cache
1
'#---------------------FN_DYNVARS_019_08----------------------#'
SET @@global.table_definition_cache = 5;
SELECT @@table_definition_cache = @@global.table_definition_cache;
@@table_definition_cache = @@global.table_definition_cache
1
'#---------------------FN_DYNVARS_019_09----------------------#'
SET table_definition_cache = 1;
ERROR HY000: Variable 'table_definition_cache' is a GLOBAL variable and should be set with SET GLOBAL
SET global.table_definition_cache = 1;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'table_definition_cache = 1' at line 1
SELECT global.table_definition_cache;
ERROR 42S02: Unknown table 'global' in field list
SELECT table_definition_cache = @@session.table_definition_cache;
ERROR 42S22: Unknown column 'table_definition_cache' in 'field list'
SET @@global.table_definition_cache = @start_value;
SELECT @@global.table_definition_cache;
@@global.table_definition_cache
128
|
