check_proxy_users=on

mysqL_native_password_proxy_users=on

show variables like '%proxy%'

mysql root@localhost:mysql> show variables like '%proxy%'

+-----------------------------------+-------+

| Variable_name                     | Value |

+-----------------------------------+-------+

| check_proxy_users                 | OFF   |

| mysql_native_password_proxy_users | OFF   |

| proxy_user                        |       |

| sha256_password_proxy_users       | OFF   |

+-----------------------------------+-------+

set global check_proxy_users=on

set global mysql_native_password_proxy_users=on

create user 'itpux_dba'

#类似组/角色

create user itpux11

create user itpux12

create user itpux13

grant proxy on itpux_dba to itpux11

grant proxy on itpux_dba to itpux12

grant select on itpux.* to itpux_dba

flush privileges;

show grants for itpux_dba

show grants for itpux11

show grants for itpux12

show grants for itpux13

select * from mysql.proxies_priv

revoke proxy on itpux_dba from itpux11