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SET @start_global_value = @@global.use_stat_tables;
SELECT @start_global_value;
@start_global_value
PREFERABLY
SET @start_session_value = @@session.use_stat_tables;
SELECT @start_session_value;
@start_session_value
PREFERABLY
SET @@global.use_stat_tables = 2;
SET @@global.use_stat_tables = DEFAULT;
SELECT @@global.use_stat_tables;
@@global.use_stat_tables
PREFERABLY_FOR_QUERIES
SET @@global.use_stat_tables = 0;
SELECT @@global.use_stat_tables;
@@global.use_stat_tables
NEVER
SET @@global.use_stat_tables = 1;
SELECT @@global.use_stat_tables;
@@global.use_stat_tables
COMPLEMENTARY
SET @@global.use_stat_tables = 2;
SELECT @@global.use_stat_tables;
@@global.use_stat_tables
PREFERABLY
SET @@global.use_stat_tables = NEVER;
SELECT @@global.use_stat_tables;
@@global.use_stat_tables
NEVER
SET @@global.use_stat_tables = COMPLEMENTARY;
SELECT @@global.use_stat_tables;
@@global.use_stat_tables
COMPLEMENTARY
SET @@global.use_stat_tables = PREFERABLY;
SELECT @@global.use_stat_tables;
@@global.use_stat_tables
PREFERABLY
SET @@session.use_stat_tables = 0;
SELECT @@session.use_stat_tables;
@@session.use_stat_tables
NEVER
SET @@session.use_stat_tables = 1;
SELECT @@session.use_stat_tables;
@@session.use_stat_tables
COMPLEMENTARY
SET @@session.use_stat_tables = 2;
SELECT @@session.use_stat_tables;
@@session.use_stat_tables
PREFERABLY
SET @@session.use_stat_tables = NEVER;
SELECT @@session.use_stat_tables;
@@session.use_stat_tables
NEVER
SET @@session.use_stat_tables = PREFERABLY;
SELECT @@session.use_stat_tables;
@@session.use_stat_tables
PREFERABLY
SET @@session.use_stat_tables = COMPLEMENTARY;
SELECT @@session.use_stat_tables;
@@session.use_stat_tables
COMPLEMENTARY
set sql_mode=TRADITIONAL;
SET @@global.use_stat_tables = 10;
ERROR 42000: Variable 'use_stat_tables' can't be set to the value of '10'
SET @@global.use_stat_tables = -1024;
ERROR 42000: Variable 'use_stat_tables' can't be set to the value of '-1024'
SET @@global.use_stat_tables = 2.4;
ERROR 42000: Incorrect argument type to variable 'use_stat_tables'
SET @@global.use_stat_tables = OFF;
ERROR 42000: Variable 'use_stat_tables' can't be set to the value of 'OFF'
SET @@session.use_stat_tables = 10;
ERROR 42000: Variable 'use_stat_tables' can't be set to the value of '10'
SET @@session.use_stat_tables = -2;
ERROR 42000: Variable 'use_stat_tables' can't be set to the value of '-2'
SET @@session.use_stat_tables = 1.2;
ERROR 42000: Incorrect argument type to variable 'use_stat_tables'
SET @@session.use_stat_tables = ON;
ERROR 42000: Variable 'use_stat_tables' can't be set to the value of 'ON'
SELECT * FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='use_stat_tables';
VARIABLE_NAME VARIABLE_VALUE
USE_STAT_TABLES PREFERABLY
SELECT * FROM INFORMATION_SCHEMA.SESSION_VARIABLES
WHERE VARIABLE_NAME='use_stat_tables';
VARIABLE_NAME VARIABLE_VALUE
USE_STAT_TABLES COMPLEMENTARY
SET @@global.use_stat_tables = @start_global_value;
SELECT @@global.use_stat_tables;
@@global.use_stat_tables
PREFERABLY
SET @@session.use_stat_tables = @start_session_value;
SELECT @@session.use_stat_tables;
@@session.use_stat_tables
PREFERABLY
set sql_mode='';
|
