SET @orig = @@global.innodb_checksum_algorithm;
SELECT @orig;
@orig
innodb
SET GLOBAL innodb_checksum_algorithm = 'crc32';
SELECT @@global.innodb_checksum_algorithm;
@@global.innodb_checksum_algorithm
crc32
SET GLOBAL innodb_checksum_algorithm = 'strict_crc32';
SELECT @@global.innodb_checksum_algorithm;
@@global.innodb_checksum_algorithm
strict_crc32
SET GLOBAL innodb_checksum_algorithm = 'innodb';
SELECT @@global.innodb_checksum_algorithm;
@@global.innodb_checksum_algorithm
innodb
SET GLOBAL innodb_checksum_algorithm = 'strict_innodb';
SELECT @@global.innodb_checksum_algorithm;
@@global.innodb_checksum_algorithm
strict_innodb
SET GLOBAL innodb_checksum_algorithm = 'none';
SELECT @@global.innodb_checksum_algorithm;
@@global.innodb_checksum_algorithm
none
SET GLOBAL innodb_checksum_algorithm = 'strict_none';
SELECT @@global.innodb_checksum_algorithm;
@@global.innodb_checksum_algorithm
strict_none
SET GLOBAL innodb_checksum_algorithm = '';
ERROR 42000: Variable 'innodb_checksum_algorithm' can't be set to the value of ''
SELECT @@global.innodb_checksum_algorithm;
@@global.innodb_checksum_algorithm
strict_none
SET GLOBAL innodb_checksum_algorithm = 'foobar';
ERROR 42000: Variable 'innodb_checksum_algorithm' can't be set to the value of 'foobar'
SELECT @@global.innodb_checksum_algorithm;
@@global.innodb_checksum_algorithm
strict_none
SET GLOBAL innodb_checksum_algorithm = 123;
ERROR 42000: Variable 'innodb_checksum_algorithm' can't be set to the value of '123'
SELECT @@global.innodb_checksum_algorithm;
@@global.innodb_checksum_algorithm
strict_none
SET GLOBAL innodb_checksum_algorithm = @orig;
SELECT @@global.innodb_checksum_algorithm;
@@global.innodb_checksum_algorithm
innodb