# Set different paths for --datadir

# Create custom datadir path

# Run the bootstrap command to create a new datadir

# Start the DB server with the new datadir
# restart: --datadir=MYSQLD_DATADIR1
SELECT current_user;
current_user
root@localhost
SELECT user, plugin FROM mysql.user;
user	plugin
mysql.infoschema	caching_sha2_password
mysql.session	caching_sha2_password
mysql.sys	caching_sha2_password
root	caching_sha2_password

# Set the password for the root user
SET PASSWORD = 'passwd';

# Create a new user with non-default plugin
CREATE USER 'native_user' IDENTIFIED WITH 'mysql_native_password' BY 'passwd';


# Restart the server with --skip-grant-tables, --shared-memory options
# enabled and new datadir
# restart: --skip-grant-tables --shared-memory --datadir=MYSQLD_DATADIR1

# connect the root user which uses the default auth plugin
SELECT connection_type FROM performance_schema.threads WHERE processlist_command='Query';
connection_type
Shared Memory
SELECT CURRENT_USER;
CURRENT_USER
skip-grants user@skip-grants host

# connect the root user which uses the mysql_native_password auth plugin
SELECT connection_type FROM performance_schema.threads WHERE processlist_command='Query';
connection_type
Shared Memory
SELECT CURRENT_USER;
CURRENT_USER
skip-grants user@skip-grants host

# connect the user which uses the non-default auth plugin
SELECT connection_type FROM performance_schema.threads WHERE processlist_command='Query';
connection_type
Shared Memory
SELECT CURRENT_USER;
CURRENT_USER
skip-grants user@skip-grants host

# connect the native_user user which uses corresponding
# mysql_native_password auth plugin
SELECT connection_type FROM performance_schema.threads WHERE processlist_command='Query';
connection_type
Shared Memory
SELECT CURRENT_USER;
CURRENT_USER
skip-grants user@skip-grants host

# Restart the server with --skip-grant-tables, --enable-named-pipe
# options enabled and new datadir
# restart: --skip-grant-tables --enable-named-pipe --datadir=MYSQLD_DATADIR1

# connect the root user which uses the default auth plugin
SELECT connection_type FROM performance_schema.threads WHERE processlist_command='Query';
connection_type
Named Pipe
SELECT CURRENT_USER;
CURRENT_USER
skip-grants user@skip-grants host

# connect the root user which uses the mysql_native_password auth plugin
SELECT connection_type FROM performance_schema.threads WHERE processlist_command='Query';
connection_type
Named Pipe
SELECT CURRENT_USER;
CURRENT_USER
skip-grants user@skip-grants host

# connect the user which uses the non-default auth plugin
SELECT connection_type FROM performance_schema.threads WHERE processlist_command='Query';
connection_type
Named Pipe
SELECT CURRENT_USER;
CURRENT_USER
skip-grants user@skip-grants host

# connect the native_user user which uses corresponding
# mysql_native_password auth plugin
SELECT connection_type FROM performance_schema.threads WHERE processlist_command='Query';
connection_type
Named Pipe
SELECT CURRENT_USER;
CURRENT_USER
skip-grants user@skip-grants host
# since we didn't specify server's public keys explicitly,
# following insecure connections must fail with
# error: Authentication requires secure connection.

# connect the root user which uses the default auth plugin
# error 1

# connect the root user which uses the mysql_native_password auth plugin
# error 1

# connect the root user which uses the non-default auth plugin
# error 1

# connect the native user plugin user which uses corresponding plugin
# error 1

# Cleanup
# restart