# # MDEV-21704 Add a new JSON field "version_id" into mysql.global_priv.priv # SET @super_acl_100500= 1 << 15; SELECT HEX(@super_acl_100500); HEX(@super_acl_100500) 8000 SET @all_known_privileges_100500= (1 << 30) - 1; SELECT HEX(@all_known_privileges_100500); HEX(@all_known_privileges_100500) 3FFFFFFF CREATE USER user1@localhost; GRANT ALL PRIVILEGES ON *.* TO user1@localhost WITH GRANT OPTION; SET @all_known_privileges_current=(SELECT CAST(json_value(Priv, '$.access') AS UNSIGNED) FROM mysql.global_priv WHERE host='localhost' and user='user1'); DROP USER user1@localhost; SELECT HEX(@all_known_privileges_current); HEX(@all_known_privileges_current) 3FFFFFFFFF CREATE USER bad_access1@localhost; UPDATE mysql.global_priv SET Priv=json_set(Priv, '$.access',@all_known_privileges_current+1) WHERE host='localhost' and user='bad_access1'; FLUSH PRIVILEGES; SHOW GRANTS FOR bad_access1@localhost; Grants for bad_access1@localhost GRANT USAGE ON *.* TO `bad_access1`@`localhost` DROP USER bad_access1@localhost; CREATE USER bad_version_id_1000000@localhost; GRANT ALL PRIVILEGES ON *.* to bad_version_id_1000000@localhost; SHOW GRANTS FOR bad_version_id_1000000@localhost; Grants for bad_version_id_1000000@localhost GRANT ALL PRIVILEGES ON *.* TO `bad_version_id_1000000`@`localhost` UPDATE mysql.global_priv SET Priv=json_set(Priv, '$.version_id',1000000) WHERE host='localhost' and user='bad_version_id_1000000'; FLUSH PRIVILEGES; SHOW GRANTS FOR bad_version_id_1000000@localhost; Grants for bad_version_id_1000000@localhost GRANT USAGE ON *.* TO `bad_version_id_1000000`@`localhost` DROP USER bad_version_id_1000000@localhost; CREATE USER bad_version_id_minus_3@localhost; GRANT ALL PRIVILEGES ON *.* to bad_version_id_minus_3@localhost; SHOW GRANTS FOR bad_version_id_minus_3@localhost; Grants for bad_version_id_minus_3@localhost GRANT ALL PRIVILEGES ON *.* TO `bad_version_id_minus_3`@`localhost` UPDATE mysql.global_priv SET Priv=json_set(Priv, '$.version_id',-3) WHERE host='localhost' and user='bad_version_id_minus_3'; FLUSH PRIVILEGES; SHOW GRANTS FOR bad_version_id_minus_3@localhost; Grants for bad_version_id_minus_3@localhost GRANT USAGE ON *.* TO `bad_version_id_minus_3`@`localhost` DROP USER bad_version_id_minus_3@localhost; CREATE USER bad_version_id_100300@localhost; GRANT ALL PRIVILEGES ON *.* to bad_version_id_100300@localhost; SHOW GRANTS FOR bad_version_id_100300@localhost; Grants for bad_version_id_100300@localhost GRANT ALL PRIVILEGES ON *.* TO `bad_version_id_100300`@`localhost` UPDATE mysql.global_priv SET Priv=json_set(Priv, '$.version_id',100300) WHERE host='localhost' and user='bad_version_id_100300'; FLUSH PRIVILEGES; SHOW GRANTS FOR bad_version_id_100300@localhost; Grants for bad_version_id_100300@localhost GRANT USAGE ON *.* TO `bad_version_id_100300`@`localhost` DROP USER bad_version_id_100300@localhost; CREATE USER good_version_id_100400@localhost; GRANT ALL PRIVILEGES ON *.* to good_version_id_100400@localhost; SHOW GRANTS FOR good_version_id_100400@localhost; Grants for good_version_id_100400@localhost GRANT ALL PRIVILEGES ON *.* TO `good_version_id_100400`@`localhost` UPDATE mysql.global_priv SET Priv=json_set(Priv, '$.version_id',100400, '$.access', @all_known_privileges_100500) WHERE host='localhost' and user='good_version_id_100400'; FLUSH PRIVILEGES; SHOW GRANTS FOR good_version_id_100400@localhost; Grants for good_version_id_100400@localhost GRANT ALL PRIVILEGES ON *.* TO `good_version_id_100400`@`localhost` WITH GRANT OPTION DROP USER good_version_id_100400@localhost; CREATE USER good_version_id_100500@localhost; GRANT SUPER ON *.* to good_version_id_100500@localhost; SHOW GRANTS FOR good_version_id_100500@localhost; Grants for good_version_id_100500@localhost GRANT SUPER ON *.* TO `good_version_id_100500`@`localhost` UPDATE mysql.global_priv SET Priv=json_set(Priv, '$.version_id',100500) WHERE host='localhost' and user='good_version_id_100500'; FLUSH PRIVILEGES; SHOW GRANTS FOR good_version_id_100500@localhost; Grants for good_version_id_100500@localhost GRANT SUPER, SET USER, FEDERATED ADMIN, CONNECTION ADMIN, READ_ONLY ADMIN, REPLICATION SLAVE ADMIN, BINLOG ADMIN, BINLOG REPLAY ON *.* TO `good_version_id_100500`@`localhost` DROP USER good_version_id_100500@localhost; FOUND 1 /Warning.*'user' entry 'bad_access1@localhost' has a wrong 'access' value.*version_id=/ in system_mysql_db_error_log.err FOUND 1 /Warning.*'user' entry 'bad_version_id_1000000@localhost' has a wrong 'version_id' value 1000000/ in system_mysql_db_error_log.err FOUND 1 /Warning.*'user' entry 'bad_version_id_minus_3@localhost' has a wrong 'version_id' value -3/ in system_mysql_db_error_log.err FOUND 1 /Warning.*'user' entry 'bad_version_id_100300@localhost' has a wrong 'version_id' value 100300/ in system_mysql_db_error_log.err