/// Used by default in MariaDB and MySQL 5.7 Server and prior.
pubconstMY_SQL_NATIVE_PASSWORD:&str="mysql_native_password";/// Used by default in MySQL Server 8.0.
pubconstCACHING_SHA2_PASSWORD:&str="caching_sha2_password";pubenumAuthPlugin{
MySqlNativePassword,
CachingSha2Password,}