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SET @start_global_value = @@global.innodb_file_format_max;
SELECT @start_global_value;
@start_global_value
Barracuda
Valid values are 'Antelope' and 'Barracuda'
SELECT @@global.innodb_file_format_max in ('Antelope', 'Barracuda');
@@global.innodb_file_format_max in ('Antelope', 'Barracuda')
1
SELECT @@global.innodb_file_format_max;
@@global.innodb_file_format_max
Barracuda
SELECT @@session.innodb_file_format_max;
ERROR HY000: Variable 'innodb_file_format_max' is a GLOBAL variable
SHOW global variables LIKE 'innodb_file_format_max';
Variable_name Value
innodb_file_format_max Barracuda
SHOW session variables LIKE 'innodb_file_format_max';
Variable_name Value
innodb_file_format_max Barracuda
SELECT * FROM information_schema.global_variables
WHERE variable_name='innodb_file_format_max';
VARIABLE_NAME VARIABLE_VALUE
INNODB_FILE_FORMAT_MAX Barracuda
SELECT * FROM information_schema.session_variables
WHERE variable_name='innodb_file_format_max';
VARIABLE_NAME VARIABLE_VALUE
INNODB_FILE_FORMAT_MAX Barracuda
SET global innodb_file_format_max='Antelope';
Warnings:
Warning 131 Using innodb_file_format_max 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_max;
@@global.innodb_file_format_max
Antelope
SELECT * FROM information_schema.global_variables
WHERE variable_name='innodb_file_format_max';
VARIABLE_NAME VARIABLE_VALUE
INNODB_FILE_FORMAT_MAX Antelope
SELECT * FROM information_schema.session_variables
WHERE variable_name='innodb_file_format_max';
VARIABLE_NAME VARIABLE_VALUE
INNODB_FILE_FORMAT_MAX Antelope
SET @@global.innodb_file_format_max='Barracuda';
Warnings:
Warning 131 Using innodb_file_format_max 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_max;
@@global.innodb_file_format_max
Barracuda
SELECT * FROM information_schema.global_variables
WHERE variable_name='innodb_file_format_max';
VARIABLE_NAME VARIABLE_VALUE
INNODB_FILE_FORMAT_MAX Barracuda
SELECT * FROM information_schema.session_variables
WHERE variable_name='innodb_file_format_max';
VARIABLE_NAME VARIABLE_VALUE
INNODB_FILE_FORMAT_MAX Barracuda
SET session innodb_file_format_max='Salmon';
ERROR HY000: Variable 'innodb_file_format_max' is a GLOBAL variable and should be set with SET GLOBAL
SET @@session.innodb_file_format_max='Salmon';
ERROR HY000: Variable 'innodb_file_format_max' is a GLOBAL variable and should be set with SET GLOBAL
SET global innodb_file_format_max=1.1;
ERROR 42000: Incorrect argument type to variable 'innodb_file_format_max'
SET global innodb_file_format_max=1e1;
ERROR 42000: Incorrect argument type to variable 'innodb_file_format_max'
SET global innodb_file_format_max='Salmon';
ERROR 42000: Variable 'innodb_file_format_max' can't be set to the value of 'Salmon'
SET @@global.innodb_file_format_max = @start_global_value;
Warnings:
Warning 131 Using innodb_file_format_max 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_max;
@@global.innodb_file_format_max
Barracuda