set hive.test.authz.sstd.hs2.mode=true;
set hive.security.authorization.manager=org.apache.hadoop.hive.ql.security.authorization.plugin.sqlstd.SQLStdHiveAuthorizerFactoryForTest;
set hive.security.authenticator.manager=org.apache.hadoop.hive.ql.security.SessionStateConfigUserAuthenticator;
set user.name=hive_admin_user;
set role ADMIN;
show current roles;
create role r1;
set role ALL;
show current roles;
drop role r1;