MINI MINI MANI MO
SET @start_global_value = @@global.innodb_file_format;
SELECT @start_global_value;
@start_global_value
Barracuda
Valid values are 'Antelope' and 'Barracuda'
select @@global.innodb_file_format in ('Antelope', 'Barracuda');
@@global.innodb_file_format in ('Antelope', 'Barracuda')
1
select @@global.innodb_file_format;
@@global.innodb_file_format
Barracuda
select @@session.innodb_file_format;
ERROR HY000: Variable 'innodb_file_format' is a GLOBAL variable
show global variables like 'innodb_file_format';
Variable_name Value
innodb_file_format Barracuda
show session variables like 'innodb_file_format';
Variable_name Value
innodb_file_format Barracuda
select * from information_schema.global_variables where variable_name='innodb_file_format';
VARIABLE_NAME VARIABLE_VALUE
INNODB_FILE_FORMAT Barracuda
select * from information_schema.session_variables where variable_name='innodb_file_format';
VARIABLE_NAME VARIABLE_VALUE
INNODB_FILE_FORMAT Barracuda
set global innodb_file_format='Antelope';
Warnings:
Warning 131 Using innodb_file_format is deprecated and the parameter may be removed in future releases. See http://dev.mysql.com/doc/refman/5.7/en/innodb-file-format.html
select @@global.innodb_file_format;
@@global.innodb_file_format
Antelope
select * from information_schema.global_variables where variable_name='innodb_file_format';
VARIABLE_NAME VARIABLE_VALUE
INNODB_FILE_FORMAT Antelope
select * from information_schema.session_variables where variable_name='innodb_file_format';
VARIABLE_NAME VARIABLE_VALUE
INNODB_FILE_FORMAT Antelope
set @@global.innodb_file_format='Barracuda';
Warnings:
Warning 131 Using innodb_file_format is deprecated and the parameter may be removed in future releases. See http://dev.mysql.com/doc/refman/5.7/en/innodb-file-format.html
select @@global.innodb_file_format;
@@global.innodb_file_format
Barracuda
select * from information_schema.global_variables where variable_name='innodb_file_format';
VARIABLE_NAME VARIABLE_VALUE
INNODB_FILE_FORMAT Barracuda
select * from information_schema.session_variables where variable_name='innodb_file_format';
VARIABLE_NAME VARIABLE_VALUE
INNODB_FILE_FORMAT Barracuda
set session innodb_file_format='Salmon';
ERROR HY000: Variable 'innodb_file_format' is a GLOBAL variable and should be set with SET GLOBAL
set @@session.innodb_file_format='Salmon';
ERROR HY000: Variable 'innodb_file_format' is a GLOBAL variable and should be set with SET GLOBAL
set global innodb_file_format=1.1;
ERROR 42000: Incorrect argument type to variable 'innodb_file_format'
set global innodb_file_format=1e1;
ERROR 42000: Incorrect argument type to variable 'innodb_file_format'
set global innodb_file_format='Salmon';
ERROR 42000: Variable 'innodb_file_format' can't be set to the value of 'Salmon'
SET @@global.innodb_file_format = @start_global_value;
Warnings:
Warning 131 Using innodb_file_format is deprecated and the parameter may be removed in future releases. See http://dev.mysql.com/doc/refman/5.7/en/innodb-file-format.html
SELECT @@global.innodb_file_format;
@@global.innodb_file_format
Barracuda
OHA YOOOO