SET @start_global_value = @@global.query_prealloc_size ;
SELECT @start_global_value;
@start_global_value
8192
SET @start_session_value = @@session.query_prealloc_size ;
SELECT @start_session_value;
@start_session_value
8192
'#--------------------FN_DYNVARS_005_01-------------------------#'
SET @@global.query_prealloc_size   = 100;
Warnings:
Warning	1292	Truncated incorrect query_prealloc_size value: '100'
SET @@global.query_prealloc_size   = DEFAULT;
SELECT @@global.query_prealloc_size  ;
@@global.query_prealloc_size
8192
SET @@session.query_prealloc_size   = 200;
Warnings:
Warning	1292	Truncated incorrect query_prealloc_size value: '200'
SET @@session.query_prealloc_size   = DEFAULT;
SELECT @@session.query_prealloc_size  ;
@@session.query_prealloc_size
8192
'#--------------------FN_DYNVARS_005_02-------------------------#'
SET @@global.query_prealloc_size   = DEFAULT;
SELECT @@global.query_prealloc_size   = 8192;
@@global.query_prealloc_size   = 8192
1
SET @@session.query_prealloc_size   = DEFAULT;
SELECT @@session.query_prealloc_size   = 8192;
@@session.query_prealloc_size   = 8192
1
'#--------------------FN_DYNVARS_005_03-------------------------#'
SET @@global.query_prealloc_size   = 8192;
SELECT @@global.query_prealloc_size  ;
@@global.query_prealloc_size
8192
SET @@global.query_prealloc_size   = 655354;
SELECT @@global.query_prealloc_size  ;
@@global.query_prealloc_size
654336
'#--------------------FN_DYNVARS_005_04-------------------------#'
SET @@session.query_prealloc_size   = 8192;
SELECT @@session.query_prealloc_size  ;
@@session.query_prealloc_size
8192
SET @@session.query_prealloc_size   = 655345;
SELECT @@session.query_prealloc_size  ;
@@session.query_prealloc_size
654336
'#------------------FN_DYNVARS_005_05-----------------------#'
SET @@global.query_prealloc_size   = 0;
Warnings:
Warning	1292	Truncated incorrect query_prealloc_size value: '0'
SELECT @@global.query_prealloc_size  ;
@@global.query_prealloc_size
8192
SET @@global.query_prealloc_size   = 65530.34.;
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 '.' at line 1
SELECT @@global.query_prealloc_size  ;
@@global.query_prealloc_size
8192
SET @@global.query_prealloc_size   = test;
ERROR 42000: Incorrect argument type to variable 'query_prealloc_size'
SELECT @@global.query_prealloc_size  ;
@@global.query_prealloc_size
8192
SET @@global.query_prealloc_size   = "test";
ERROR 42000: Incorrect argument type to variable 'query_prealloc_size'
SELECT @@global.query_prealloc_size  ;
@@global.query_prealloc_size
8192
SET @@global.query_prealloc_size   = 'test';
ERROR 42000: Incorrect argument type to variable 'query_prealloc_size'
SELECT @@global.query_prealloc_size  ;
@@global.query_prealloc_size
8192
SET @@global.query_prealloc_size   = ON;
ERROR 42000: Incorrect argument type to variable 'query_prealloc_size'
SELECT @@global.query_prealloc_size  ;
@@global.query_prealloc_size
8192
SET @@session.query_prealloc_size   = 0;
Warnings:
Warning	1292	Truncated incorrect query_prealloc_size value: '0'
SELECT @@session.query_prealloc_size  ;
@@session.query_prealloc_size
8192
SET @@session.query_prealloc_size   = 65530.34.;
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 '.' at line 1
SELECT @@session.query_prealloc_size  ;
@@session.query_prealloc_size
8192
SET @@session.query_prealloc_size   = test;
ERROR 42000: Incorrect argument type to variable 'query_prealloc_size'
SELECT @@session.query_prealloc_size  ;
@@session.query_prealloc_size
8192
SET @@session.query_prealloc_size   = "test";
ERROR 42000: Incorrect argument type to variable 'query_prealloc_size'
SELECT @@session.query_prealloc_size  ;
@@session.query_prealloc_size
8192
'#------------------FN_DYNVARS_005_06-----------------------#'
SELECT @@global.query_prealloc_size   = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='query_prealloc_size  ';
@@global.query_prealloc_size   = VARIABLE_VALUE
1
'#------------------FN_DYNVARS_005_07-----------------------#'
SELECT @@session.query_prealloc_size   = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.SESSION_VARIABLES
WHERE VARIABLE_NAME='query_prealloc_size  ';
@@session.query_prealloc_size   = VARIABLE_VALUE
1
'#------------------FN_DYNVARS_005_08-----------------------#'
SET @@global.query_prealloc_size   = TRUE;
Warnings:
Warning	1292	Truncated incorrect query_prealloc_size value: '1'
SELECT @@global.query_prealloc_size  ;
@@global.query_prealloc_size
8192
SET @@global.query_prealloc_size   = FALSE;
Warnings:
Warning	1292	Truncated incorrect query_prealloc_size value: '0'
SELECT @@global.query_prealloc_size  ;
@@global.query_prealloc_size
8192
'#---------------------FN_DYNVARS_001_09----------------------#'
SET @@global.query_prealloc_size   = 10;
Warnings:
Warning	1292	Truncated incorrect query_prealloc_size value: '10'
SELECT @@query_prealloc_size   = @@global.query_prealloc_size  ;
@@query_prealloc_size   = @@global.query_prealloc_size
1
'#---------------------FN_DYNVARS_001_10----------------------#'
SET @@query_prealloc_size   = 100;
Warnings:
Warning	1292	Truncated incorrect query_prealloc_size value: '100'
SELECT @@query_prealloc_size   = @@local.query_prealloc_size  ;
@@query_prealloc_size   = @@local.query_prealloc_size
1
SELECT @@local.query_prealloc_size   = @@session.query_prealloc_size  ;
@@local.query_prealloc_size   = @@session.query_prealloc_size
1
'#---------------------FN_DYNVARS_001_11----------------------#'
SET query_prealloc_size   = 1;
Warnings:
Warning	1292	Truncated incorrect query_prealloc_size value: '1'
SELECT @@query_prealloc_size  ;
@@query_prealloc_size
8192
SELECT local.query_prealloc_size  ;
ERROR 42S02: Unknown table 'local' in field list
SELECT session.query_prealloc_size  ;
ERROR 42S02: Unknown table 'session' in field list
SELECT query_prealloc_size   = @@session.query_prealloc_size  ;
ERROR 42S22: Unknown column 'query_prealloc_size' in 'field list'
SET @@global.query_prealloc_size   = @start_global_value;
SELECT @@global.query_prealloc_size  ;
@@global.query_prealloc_size
8192
SET @@session.query_prealloc_size   = @start_session_value;
SELECT @@session.query_prealloc_size  ;
@@session.query_prealloc_size
8192