mariadb/mysql-test/suite/roles/set_role-9614.test

--source include/not_embedded.inc

--echo #
--echo # MDEV-9614 Roles and Users Longer than 6 characters
--echo #
--echo # This test case checks the edge case presented in the MDEV. The
--echo # real issue is actually apparent when the username is longer than the
--echo # rolename.

--enable_connect_log
--echo #
--echo # We need a separate database not including test or test_% names. Due to
--echo # default privileges given on these databases.
--echo #
DROP DATABASE IF EXISTS `bug_db`;

--echo #
--echo # The first user did not show the bug as john's length is smaller
--echo # than client. The bug is apparent most of the time for usertestjohn.
--echo #
CREATE USER `john`@`%`;
CREATE USER `usertestjohn`@`%`;
CREATE ROLE `client`;

--echo #
--echo # Setup the required tables.
--echo #
CREATE DATABASE `bug_db`;
CREATE TABLE `bug_db`.`t0`(`c0` INT);

--echo #
--echo # Setup select privileges only on the role. Setting the role should give
--echo # select access to bug_db.t0.
--echo #
GRANT SELECT ON `bug_db`.`t0` TO `client`;
GRANT `client` TO `john`@`%`;
GRANT `client` TO `usertestjohn`@`%`;

--echo #
--echo # Check to see grants are set.
--echo #
SHOW GRANTS FOR `john`@`%`;
SHOW GRANTS FOR `usertestjohn`@`%`;
SHOW GRANTS FOR `client`;

show databases;

--echo #
--echo # Try using the database as john.
--echo #
connect (john, localhost, john,,information_schema);

show databases;
set role client;
show databases;
use bug_db;

--echo #
--echo # Try using the database as usertestjohn.
--echo #
connect (usertestjohn, localhost, usertestjohn,,information_schema);

show databases;
set role client;
show databases;

show grants;
use bug_db;


--echo #
--echo # Cleanup
--echo #
connection default;
drop user john;
drop user usertestjohn;
drop role client;
drop database bug_db;
--disable_connect_log