set sql_mode="";
CREATE DATABASE test_user_db;
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
========== test 1.1 ======================================================
CREATE USER plug IDENTIFIED WITH test_plugin_server;
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plug	test_plugin_server	
DROP USER plug;
GRANT ALL PRIVILEGES ON test_user_db.* TO plug IDENTIFIED WITH test_plugin_server;
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plug	test_plugin_server	
REVOKE ALL PRIVILEGES ON test_user_db.* FROM plug;
DROP USER plug;
CREATE USER plug IDENTIFIED WITH 'test_plugin_server';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plug	test_plugin_server	
DROP USER plug;
GRANT ALL PRIVILEGES ON test_user_db.* TO plug IDENTIFIED WITH 'test_plugin_server';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plug	test_plugin_server	
REVOKE ALL PRIVILEGES ON test_user_db.* FROM plug;
DROP USER plug;
CREATE USER plug IDENTIFIED WITH test_plugin_server AS '';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plug	test_plugin_server	
DROP USER plug;
GRANT ALL PRIVILEGES ON test_user_db.* TO plug IDENTIFIED WITH test_plugin_server AS '';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plug	test_plugin_server	
REVOKE ALL PRIVILEGES ON test_user_db.* FROM plug;
DROP USER plug;
CREATE USER plug IDENTIFIED WITH 'test_plugin_server' AS ;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '' at line 1
GRANT ALL PRIVILEGES ON test_user_db.* TO plug IDENTIFIED WITH 'test_plugin_server' AS;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '' at line 1
CREATE USER plug IDENTIFIED WITH test_plugin_server AS plug_dest;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'plug_dest' at line 1
GRANT ALL PRIVILEGES ON test_user_db.* TO plug IDENTIFIED WITH test_plugin_server AS plug_dest;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'plug_dest' at line 1
========== test 1.1 syntax errors ========================================
CREATE USER plug IDENTIFIED WITH AS plug_dest;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'AS plug_dest' at line 1
GRANT ALL PRIVILEGES ON test_user_db.* TO plug IDENTIFIED WITH AS plug_dest;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'AS plug_dest' at line 1
CREATE USER plug IDENTIFIED WITH;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '' at line 1
GRANT ALL PRIVILEGES ON test_user_db.* TO plug IDENTIFIED WITH;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '' at line 1
CREATE USER plug IDENTIFIED AS '';
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'AS ''' at line 1
GRANT ALL PRIVILEGES ON test_user_db.* TO plug IDENTIFIED AS '';
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'AS ''' at line 1
CREATE USER plug IDENTIFIED WITH 'test_plugin_server' IDENTIFIED WITH 'test_plugin_server';
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'IDENTIFIED WITH 'test_plugin_server'' at line 1
GRANT ALL PRIVILEGES ON test_user_db.* TO plug 
IDENTIFIED WITH 'test_plugin_server' IDENTIFIED WITH 'test_plugin_server';
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'IDENTIFIED WITH 'test_plugin_server'' at line 2
CREATE USER plug IDENTIFIED WITH 'test_plugin_server' AS '' AS 'plug_dest';
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'AS 'plug_dest'' at line 1
GRANT ALL PRIVILEGES ON test_user_db.* TO plug AS '' AS 'plug_dest';
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'AS '' AS 'plug_dest'' at line 1
CREATE USER plug IDENTIFIED WITH 'test_plugin_server' AS '' 
IDENTIFIED WITH test_plugin_server   AS 'plug_dest';
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'IDENTIFIED WITH test_plugin_server   AS 'plug_dest'' at line 2
GRANT ALL PRIVILEGES ON test_user_db.* TO plug IDENTIFIED WITH 'test_plugin_server' AS ''
                 IDENTIFIED WITH test_plugin_server   AS 'plug_dest';
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'IDENTIFIED WITH test_plugin_server   AS 'plug_dest'' at line 2
CREATE USER plug_dest IDENTIFIED BY 'plug_dest_passwd' 
IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest'' at line 2
GRANT ALL PRIVILEGES ON test_user_db.* TO plug IDENTIFIED BY 'plug_dest_passwd'
                      IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest'' at line 2
CREATE USER plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest' 
USER plug_dest IDENTIFIED by 'plug_dest_pwd';
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'USER plug_dest IDENTIFIED by 'plug_dest_pwd'' at line 2
GRANT ALL PRIVILEGES ON test_user_db.* TO plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest'
       USER plug_dest IDENTIFIED by 'plug_dest_pwd';
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'USER plug_dest IDENTIFIED by 'plug_dest_pwd'' at line 2
CREATE USER plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest' 
plug_dest IDENTIFIED by 'plug_dest_pwd';
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'plug_dest IDENTIFIED by 'plug_dest_pwd'' at line 2
GRANT ALL PRIVILEGES ON test_user_db.* TO plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest'
       plug_dest IDENTIFIED by 'plug_dest_pwd';
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'plug_dest IDENTIFIED by 'plug_dest_pwd'' at line 2
CREATE USER plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest' 
IDENTIFIED by 'plug_dest_pwd';
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'IDENTIFIED by 'plug_dest_pwd'' at line 2
GRANT ALL PRIVILEGES ON test_user_db.* TO plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest'
       IDENTIFIED by 'plug_dest_pwd';
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'IDENTIFIED by 'plug_dest_pwd'' at line 2
========== test 1.1  combinations ==========================
CREATE USER plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';
========== test 1.1.1.6/1.1.2.5 ============================
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plug	test_plugin_server	plug_dest
CREATE USER plug_dest IDENTIFIED BY 'plug_dest_passwd';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plug	test_plugin_server	plug_dest
plug_dest	mysql_native_password	*939AEE68989794C0F408277411C26055CDF41119
DROP USER plug, plug_dest;
CREATE USER plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plug	test_plugin_server	plug_dest
DROP USER plug;
CREATE USER plug_dest IDENTIFIED BY 'plug_dest_passwd';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plug_dest	mysql_native_password	*939AEE68989794C0F408277411C26055CDF41119
DROP USER plug_dest;
GRANT ALL PRIVILEGES ON test_user_db.* TO plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plug	test_plugin_server	plug_dest
CREATE USER plug_dest IDENTIFIED BY 'plug_dest_passwd';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plug	test_plugin_server	plug_dest
plug_dest	mysql_native_password	*939AEE68989794C0F408277411C26055CDF41119
DROP USER plug, plug_dest;
GRANT ALL PRIVILEGES ON test_user_db.* TO plug IDENTIFIED WITH test_plugin_server AS 'plug_dest';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plug	test_plugin_server	plug_dest
DROP USER plug;
CREATE USER plug_dest IDENTIFIED BY 'plug_dest_passwd';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plug_dest	mysql_native_password	*939AEE68989794C0F408277411C26055CDF41119
DROP USER plug_dest;
CREATE USER plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plug	test_plugin_server	plug_dest
GRANT ALL PRIVILEGES ON test_user_db.* TO plug_dest IDENTIFIED BY 'plug_dest_passwd';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plug	test_plugin_server	plug_dest
plug_dest	mysql_native_password	*939AEE68989794C0F408277411C26055CDF41119
DROP USER plug, plug_dest;
CREATE USER plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plug	test_plugin_server	plug_dest
DROP USER plug;
GRANT ALL PRIVILEGES ON test_user_db.* TO plug_dest IDENTIFIED BY 'plug_dest_passwd';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plug_dest	mysql_native_password	*939AEE68989794C0F408277411C26055CDF41119
DROP USER plug_dest;
CREATE USER plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';
GRANT ALL PRIVILEGES ON test_user_db.* TO plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';
GRANT ALL PRIVILEGES ON test_user_db.* TO plug IDENTIFIED WITH 'test_plugin_server';
DROP USER plug;
GRANT ALL PRIVILEGES ON test_user_db.* TO plug IDENTIFIED WITH test_plugin_server AS 'plug_dest';
CREATE USER plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';
ERROR HY000: Operation CREATE USER failed for 'plug'@'%'
CREATE USER plug IDENTIFIED WITH 'test_plugin_server';
ERROR HY000: Operation CREATE USER failed for 'plug'@'%'
DROP USER plug;
CREATE USER plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';
SELECT user,plugin,authentication_string,password FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string	Password
mariadb.sys	mysql_native_password		
plug	test_plugin_server	plug_dest	
GRANT ALL PRIVILEGES ON test_user_db.* TO plug IDENTIFIED BY 'plug_dest_passwd';
SELECT user,plugin,authentication_string,password FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string	Password
mariadb.sys	mysql_native_password		
plug	mysql_native_password	*939AEE68989794C0F408277411C26055CDF41119	*939AEE68989794C0F408277411C26055CDF41119
DROP USER plug;
GRANT ALL PRIVILEGES ON test_user_db.* TO plug IDENTIFIED WITH test_plugin_server AS 'plug_dest';
CREATE USER plug IDENTIFIED BY 'plug_dest_passwd';
ERROR HY000: Operation CREATE USER failed for 'plug'@'%'
DROP USER plug;
CREATE USER plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';
CREATE USER plug_dest IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';
SELECT user,plugin,authentication_string,password FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string	Password
mariadb.sys	mysql_native_password		
plug	test_plugin_server	plug_dest	
plug_dest	test_plugin_server	plug_dest	
DROP USER plug,plug_dest;
CREATE USER plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';
SELECT user,plugin,authentication_string,password FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string	Password
mariadb.sys	mysql_native_password		
plug	test_plugin_server	plug_dest	
GRANT ALL PRIVILEGES ON test_user_db.* TO plug_dest 
IDENTIFIED WITH test_plugin_server AS 'plug_dest';
SELECT user,plugin,authentication_string,password FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string	Password
mariadb.sys	mysql_native_password		
plug	test_plugin_server	plug_dest	
plug_dest	test_plugin_server	plug_dest	
DROP USER plug,plug_dest;
========== test 1.1.1.1/1.1.2.1/1.1.1.5 ====================
SET NAMES utf8;
CREATE USER plüg IDENTIFIED WITH 'test_plugin_server' AS 'plüg_dest';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plüg	test_plugin_server	plüg_dest
DROP USER plüg;
CREATE USER plüg_dest IDENTIFIED BY 'plug_dest_passwd';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plüg_dest	mysql_native_password	*939AEE68989794C0F408277411C26055CDF41119
DROP USER plüg_dest;
SET NAMES ascii;
CREATE USER 'plüg' IDENTIFIED WITH 'test_plugin_server' AS 'plüg_dest';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
pl??g	test_plugin_server	pl??g_dest
DROP USER 'plüg';
CREATE USER 'plüg_dest' IDENTIFIED BY 'plug_dest_passwd';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
pl??g_dest	mysql_native_password	*939AEE68989794C0F408277411C26055CDF41119
DROP USER 'plüg_dest';
SET NAMES latin1;
========== test 1.1.1.5 ====================================
CREATE USER 'plüg' IDENTIFIED WITH 'test_plügin_server' AS 'plüg_dest';
ERROR HY000: Plugin 'test_plügin_server' is not loaded
CREATE USER 'plug' IDENTIFIED WITH 'test_plugin_server' AS 'plüg_dest';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plug	test_plugin_server	plüg_dest
DROP USER 'plug';
CREATE USER 'plüg_dest' IDENTIFIED BY 'plug_dest_passwd';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plüg_dest	mysql_native_password	*939AEE68989794C0F408277411C26055CDF41119
DROP USER 'plüg_dest';
SET NAMES utf8;
CREATE USER plüg IDENTIFIED WITH 'test_plügin_server' AS 'plüg_dest';
ERROR HY000: Plugin 'test_plügin_server' is not loaded
CREATE USER 'plüg' IDENTIFIED WITH 'test_plugin_server' AS 'plüg_dest';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plüg	test_plugin_server	plüg_dest
DROP USER 'plüg';
CREATE USER 'plüg_dest' IDENTIFIED BY 'plug_dest_passwd';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plüg_dest	mysql_native_password	*939AEE68989794C0F408277411C26055CDF41119
DROP USER 'plüg_dest';
CREATE USER plüg IDENTIFIED WITH test_plugin_server AS 'plüg_dest';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plüg	test_plugin_server	plüg_dest
DROP USER plüg;
CREATE USER plüg_dest IDENTIFIED BY 'plug_dest_passwd';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plüg_dest	mysql_native_password	*939AEE68989794C0F408277411C26055CDF41119
DROP USER plüg_dest;
========== test 1.1.1.2/1.1.2.2=============================
SET @auth_name= 'test_plugin_server';
CREATE USER plug IDENTIFIED WITH @auth_name AS 'plug_dest';
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '@auth_name AS 'plug_dest'' at line 1
SET @auth_string= 'plug_dest';
CREATE USER plug IDENTIFIED WITH test_plugin_server AS @auth_string;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '@auth_string' at line 1
========== test 1.1.1.3/1.1.2.3=============================
CREATE USER plug IDENTIFIED WITH 'hh''s_test_plugin_server' AS 'plug_dest';
ERROR HY000: Plugin 'hh's_test_plugin_server' is not loaded
CREATE USER plug IDENTIFIED WITH 'test_plugin_server' AS 'hh''s_plug_dest';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
mariadb.sys	mysql_native_password	
plug	test_plugin_server	hh's_plug_dest
DROP USER plug;
CREATE USER 'hh''s_plug_dest' IDENTIFIED BY 'plug_dest_passwd';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
hh's_plug_dest	mysql_native_password	*939AEE68989794C0F408277411C26055CDF41119
mariadb.sys	mysql_native_password	
DROP USER 'hh''s_plug_dest';
========== test 1.1.1.4 ====================================
CREATE USER plug IDENTIFIED WITH hh''s_test_plugin_server AS 'plug_dest';
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '''s_test_plugin_server AS 'plug_dest'' at line 1
========== test 1.1.3.1 ====================================
GRANT INSERT ON test_user_db.* TO grant_user IDENTIFIED WITH test_plugin_server AS 'plug_dest';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
grant_user	test_plugin_server	plug_dest
mariadb.sys	mysql_native_password	
CREATE USER plug_dest;
DROP USER plug_dest;
GRANT ALL PRIVILEGES ON test_user_db.* TO plug_dest;
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
grant_user	test_plugin_server	plug_dest
mariadb.sys	mysql_native_password	
plug_dest	mysql_native_password	
DROP USER grant_user,plug_dest;
set @save_sql_mode= @@sql_mode;
SET @@sql_mode=no_auto_create_user;
GRANT INSERT ON test_user_db.* TO grant_user IDENTIFIED WITH test_plugin_server AS 'plug_dest';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
grant_user	test_plugin_server	plug_dest
mariadb.sys	mysql_native_password	
CREATE USER plug_dest;
DROP USER plug_dest;
GRANT ALL PRIVILEGES ON test_user_db.* TO plug_dest;
ERROR 28000: Can't find any matching row in the user table
DROP USER grant_user;
GRANT INSERT ON test_user_db.* TO grant_user IDENTIFIED WITH test_plugin_server AS 'plug_dest';
SELECT user,plugin,authentication_string FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string
grant_user	test_plugin_server	plug_dest
mariadb.sys	mysql_native_password	
CREATE USER plug_dest IDENTIFIED BY 'plug_dest_passwd';
SELECT user,plugin,authentication_string,password FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string	Password
grant_user	test_plugin_server	plug_dest	
mariadb.sys	mysql_native_password		
plug_dest	mysql_native_password	*939AEE68989794C0F408277411C26055CDF41119	*939AEE68989794C0F408277411C26055CDF41119
DROP USER plug_dest;
GRANT ALL PRIVILEGES ON test_user_db.* TO plug_dest IDENTIFIED BY 'plug_user_passwd';
SELECT user,plugin,authentication_string,password FROM mysql.user WHERE user != 'root';
User	plugin	authentication_string	Password
grant_user	test_plugin_server	plug_dest	
mariadb.sys	mysql_native_password		
plug_dest	mysql_native_password	*560881EB651416CEF77314D07D55EDCD5FC1BD6D	*560881EB651416CEF77314D07D55EDCD5FC1BD6D
DROP USER grant_user,plug_dest;
set @@sql_mode= @save_sql_mode;
DROP DATABASE test_user_db;