set @orig_sql_mode_session= @@SESSION.sql_mode;
set @orig_sql_mode_global= @@GLOBAL.sql_mode;
CREATE USER 'kristofer';
ALTER USER 'kristofer' IDENTIFIED BY 'secret';
SELECT user, plugin FROM mysql.user ORDER BY user;
user	plugin
kristofer	sha256_password
mysql.infoschema	caching_sha2_password
mysql.session	caching_sha2_password
mysql.sys	caching_sha2_password
root	caching_sha2_password
SELECT USER(),CURRENT_USER();
USER()	CURRENT_USER()
kristofer@localhost	kristofer@%
DROP USER 'kristofer';
CREATE USER 'kristofer'@'localhost' IDENTIFIED WITH 'sha256_password';
CREATE USER 'kristofer2'@'localhost' IDENTIFIED WITH 'sha256_password';
ALTER USER 'kristofer'@'localhost' IDENTIFIED BY 'secret2';
ALTER USER 'kristofer2'@'localhost' IDENTIFIED BY 'secret2';
SELECT USER(),CURRENT_USER();
USER()	CURRENT_USER()
kristofer@localhost	kristofer@localhost
SHOW GRANTS FOR 'kristofer'@'localhost';
Grants for kristofer@localhost
GRANT USAGE ON *.* TO `kristofer`@`localhost`
Change user (should succeed)
SELECT USER(),CURRENT_USER();
USER()	CURRENT_USER()
kristofer2@localhost	kristofer2@localhost
**** Client default_auth=sha_256_password and server default auth=sha256_password
user()	current_user()
kristofer@localhost	kristofer@localhost
**** Client default_auth=native and server default auth=sha256_password
user()	current_user()
kristofer@localhost	kristofer@localhost
DROP USER 'kristofer'@'localhost';
DROP USER 'kristofer2'@'localhost';
CREATE USER 'kristofer'@'localhost';
ALTER USER 'kristofer'@'localhost' IDENTIFIED BY '';
SELECT USER(),CURRENT_USER();
USER()	CURRENT_USER()
kristofer@localhost	kristofer@localhost
SHOW GRANTS FOR 'kristofer'@'localhost';
Grants for kristofer@localhost
GRANT USAGE ON *.* TO `kristofer`@`localhost`
DROP USER 'kristofer'@'localhost';
CREATE USER 'kristofer'@'33.33.33.33';
ALTER USER 'kristofer'@'33.33.33.33' IDENTIFIED BY '';
Connection should fail for localhost
ERROR 28000: Access denied for user 'kristofer'@'localhost' (using password: NO)
DROP USER 'kristofer'@'33.33.33.33';
CREATE USER 'kristofer'@'localhost' IDENTIFIED BY 'awesomeness';
SELECT USER(),CURRENT_USER();
USER()	CURRENT_USER()
kristofer@localhost	kristofer@localhost
SHOW GRANTS FOR 'kristofer'@'localhost';
Grants for kristofer@localhost
GRANT USAGE ON *.* TO `kristofer`@`localhost`
ALTER USER 'kristofer'@'localhost' IDENTIFIED BY '';
DROP USER 'kristofer'@'localhost';
set GLOBAL sql_mode= @orig_sql_mode_global;
set SESSION sql_mode= @orig_sql_mode_session;