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|
SET @start_value = @@big_tables;
SELECT @start_value;
@start_value
0
'#--------------------FN_DYNVARS_005_01------------------------#'
SET @@big_tables = 1;
SET @@big_tables = DEFAULT;
SELECT @@big_tables;
@@big_tables
1
'Bug# 34829: No default value for variable and setting default does not raise error';
'#--------------------FN_DYNVARS_005_02------------------------#'
SET @@big_tables = 0;
SELECT @@big_tables;
@@big_tables
0
SET @@big_tables = 1;
SELECT @@big_tables;
@@big_tables
1
'#--------------------FN_DYNVARS_005_03-------------------------#'
SET @@big_tables = 2;
ERROR 42000: Variable 'big_tables' can't be set to the value of '2'
SET @@big_tables = -1;
ERROR 42000: Variable 'big_tables' can't be set to the value of '-1'
SET @@big_tables = TRUEF;
ERROR 42000: Variable 'big_tables' can't be set to the value of 'TRUEF'
SET @@big_tables = TRUE_F;
ERROR 42000: Variable 'big_tables' can't be set to the value of 'TRUE_F'
SET @@big_tables = FALSE0;
ERROR 42000: Variable 'big_tables' can't be set to the value of 'FALSE0'
SET @@big_tables = OON;
ERROR 42000: Variable 'big_tables' can't be set to the value of 'OON'
SET @@big_tables = ONN;
ERROR 42000: Variable 'big_tables' can't be set to the value of 'ONN'
SET @@big_tables = OOFF;
ERROR 42000: Variable 'big_tables' can't be set to the value of 'OOFF'
SET @@big_tables = 0FF;
ERROR 42000: Variable 'big_tables' can't be set to the value of '0FF'
SET @@big_tables = ' ';
ERROR 42000: Variable 'big_tables' can't be set to the value of ' '
SET @@big_tables = " ";
ERROR 42000: Variable 'big_tables' can't be set to the value of ' '
SET @@big_tables = '';
ERROR 42000: Variable 'big_tables' can't be set to the value of ''
'#-------------------FN_DYNVARS_005_04----------------------------#'
SET @@global.big_tables = 0;
ERROR HY000: Variable 'big_tables' is a SESSION variable and can't be used with SET GLOBAL
SELECT @@global.big_tables;
ERROR HY000: Variable 'big_tables' is a SESSION variable
'#----------------------FN_DYNVARS_005_05------------------------#'
SELECT @@big_tables = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.SESSION_VARIABLES
WHERE VARIABLE_NAME='big_tables';
@@big_tables = VARIABLE_VALUE
0
Bug # 34839: Values in variable and information_schema do not match for autocommit
'#---------------------FN_DYNVARS_005_06----------------------#'
SET @@big_tables = OFF;
SELECT @@big_tables;
@@big_tables
0
SET @@big_tables = ON;
SELECT @@big_tables;
@@big_tables
1
'#---------------------FN_DYNVARS_005_07----------------------#'
SET @@big_tables = TRUE;
SELECT @@big_tables;
@@big_tables
1
SET @@big_tables = FALSE;
SELECT @@big_tables;
@@big_tables
0
'#---------------------FN_DYNVARS_005_08----------------------#'
SET @@big_tables = 0;
SELECT @@big_tables = @@session.big_tables;
@@big_tables = @@session.big_tables
1
SET @@big_tables = 1;
SELECT @@big_tables = @@local.big_tables and @@local.big_tables = @@session.big_tables;
@@big_tables = @@local.big_tables and @@local.big_tables = @@session.big_tables
1
'#---------------------FN_DYNVARS_005_09----------------------#'
SET big_tables = 1;
SELECT @@big_tables;
@@big_tables
1
SET local.big_tables = 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 'big_tables = 1' at line 1
SELECT local.big_tables;
ERROR 42S02: Unknown table 'local' in field list
SET session.big_tables = 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 'big_tables = 1' at line 1
SELECT session.big_tables;
ERROR 42S02: Unknown table 'session' in field list
select big_tables;
ERROR 42S22: Unknown column 'big_tables' in 'field list'
SET @@big_tables = @start_value;
SELECT @@big_tables;
@@big_tables
0
|
