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|
SET @global_start_value = @@global.myisam_stats_method;
SELECT @global_start_value;
@global_start_value
NULLS_UNEQUAL
SET @session_start_value = @@session.myisam_stats_method;
SELECT @session_start_value;
@session_start_value
NULLS_UNEQUAL
'#--------------------FN_DYNVARS_097_01------------------------#'
SET @@global.myisam_stats_method = nulls_equal;
SET @@global.myisam_stats_method = DEFAULT;
SELECT @@global.myisam_stats_method;
@@global.myisam_stats_method
NULLS_UNEQUAL
SET @@session.myisam_stats_method = nulls_equal;
SET @@session.myisam_stats_method = DEFAULT;
SELECT @@session.myisam_stats_method;
@@session.myisam_stats_method
NULLS_UNEQUAL
'#---------------------FN_DYNVARS_097_02-------------------------#'
SET @@global.myisam_stats_method = NULL;
ERROR 42000: Variable 'myisam_stats_method' can't be set to the value of 'NULL'
SET @@global.myisam_stats_method = '';
ERROR 42000: Variable 'myisam_stats_method' can't be set to the value of ''
SET @@session.myisam_stats_method = NULL;
ERROR 42000: Variable 'myisam_stats_method' can't be set to the value of 'NULL'
SET @@session.myisam_stats_method = '';
ERROR 42000: Variable 'myisam_stats_method' can't be set to the value of ''
'#--------------------FN_DYNVARS_097_03------------------------#'
SET @@global.myisam_stats_method = 'nulls_equal';
SELECT @@global.myisam_stats_method;
@@global.myisam_stats_method
NULLS_EQUAL
SET @@global.myisam_stats_method = 'nulls_unequal';
SELECT @@global.myisam_stats_method;
@@global.myisam_stats_method
NULLS_UNEQUAL
SET @@global.myisam_stats_method = 'nulls_ignored';
SELECT @@global.myisam_stats_method;
@@global.myisam_stats_method
NULLS_IGNORED
'Bug: Value of nulls_ignored is not documented. Its ordinal value is 2'
SET @@session.myisam_stats_method = 'nulls_equal';
SELECT @@session.myisam_stats_method;
@@session.myisam_stats_method
NULLS_EQUAL
SET @@session.myisam_stats_method = 'nulls_unequal';
SELECT @@session.myisam_stats_method;
@@session.myisam_stats_method
NULLS_UNEQUAL
SET @@session.myisam_stats_method = 'nulls_ignored';
SELECT @@session.myisam_stats_method;
@@session.myisam_stats_method
NULLS_IGNORED
'#--------------------FN_DYNVARS_097_04-------------------------#'
SET @@global.myisam_stats_method = -1;
ERROR 42000: Variable 'myisam_stats_method' can't be set to the value of '-1'
SET @@global.myisam_stats_method = unequal;
ERROR 42000: Variable 'myisam_stats_method' can't be set to the value of 'unequal'
SET @@global.myisam_stats_method = ENABLED;
ERROR 42000: Variable 'myisam_stats_method' can't be set to the value of 'ENABLED'
SET @@global.myisam_stats_method = 'equal';
ERROR 42000: Variable 'myisam_stats_method' can't be set to the value of 'equal'
SET @@global.myisam_stats_method = 'null_equal';
ERROR 42000: Variable 'myisam_stats_method' can't be set to the value of 'null_equal'
SET @@global.myisam_stats_method = ' ';
ERROR 42000: Variable 'myisam_stats_method' can't be set to the value of ' '
'#-------------------FN_DYNVARS_097_05----------------------------#'
SELECT @@session.myisam_stats_method = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.SESSION_VARIABLES
WHERE VARIABLE_NAME='myisam_stats_method';
@@session.myisam_stats_method = VARIABLE_VALUE
1
'#----------------------FN_DYNVARS_097_06------------------------#'
SELECT @@global.myisam_stats_method = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='myisam_stats_method';
@@global.myisam_stats_method = VARIABLE_VALUE
1
'#---------------------FN_DYNVARS_097_07-------------------------#'
SET @@global.myisam_stats_method = 0;
SELECT @@global.myisam_stats_method;
@@global.myisam_stats_method
NULLS_UNEQUAL
SET @@global.myisam_stats_method = 1;
SELECT @@global.myisam_stats_method;
@@global.myisam_stats_method
NULLS_EQUAL
SET @@global.myisam_stats_method = 2;
SELECT @@global.myisam_stats_method;
@@global.myisam_stats_method
NULLS_IGNORED
SET @@global.myisam_stats_method = 0.4;
ERROR 42000: Incorrect argument type to variable 'myisam_stats_method'
SET @@global.myisam_stats_method = 3;
ERROR 42000: Variable 'myisam_stats_method' can't be set to the value of '3'
'#---------------------FN_DYNVARS_097_08----------------------#'
SET @@global.myisam_stats_method = TRUE;
SELECT @@global.myisam_stats_method;
@@global.myisam_stats_method
NULLS_EQUAL
SET @@global.myisam_stats_method = FALSE;
SELECT @@global.myisam_stats_method;
@@global.myisam_stats_method
NULLS_UNEQUAL
'#---------------------FN_DYNVARS_097_09----------------------#'
SET myisam_stats_method = 'nulls_equal';
SET session myisam_stats_method = 'nulls_equal';
SELECT @@myisam_stats_method;
@@myisam_stats_method
NULLS_EQUAL
SET global myisam_stats_method = 'nulls_equal';
SELECT @@global.myisam_stats_method;
@@global.myisam_stats_method
NULLS_EQUAL
SET @@global.myisam_stats_method = @global_start_value;
SELECT @@global.myisam_stats_method;
@@global.myisam_stats_method
NULLS_UNEQUAL
SET @@session.myisam_stats_method = @session_start_value;
SELECT @@session.myisam_stats_method;
@@session.myisam_stats_method
NULLS_UNEQUAL
|
