# # Test of locking clause privileges. # # # Test of the parser tokens for use as role names. # CREATE ROLE of; ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'of' at line 1 CREATE ROLE skip; CREATE ROLE locked; CREATE ROLE nowait; DROP ROLE skip, locked, nowait; CREATE DATABASE db1; CREATE TABLE db1.t1( a INT ); CREATE TABLE db1.t2( a INT ); CREATE USER mysqltestuser1@localhost; GRANT SELECT ON db1.* TO mysqltestuser1@localhost; SELECT * FROM t1; a SELECT HIGH_PRIORITY * FROM t1; a SELECT * FROM t1 FOR UPDATE; ERROR 42000: SELECT with locking clause command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT (SELECT * FROM t1 FOR UPDATE); ERROR 42000: SELECT with locking clause command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM (SELECT * FROM t1 FOR UPDATE) a1; ERROR 42000: SELECT with locking clause command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 WHERE 1 IN (SELECT * FROM t1 FOR UPDATE); ERROR 42000: SELECT with locking clause command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM t1, t2 FOR UPDATE OF t1; ERROR 42000: SELECT with locking clause command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT (SELECT 1 FROM t1, t2 FOR UPDATE OF t1); ERROR 42000: SELECT with locking clause command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM (SELECT 1 FROM t1, t2 FOR UPDATE OF t1) a1; ERROR 42000: SELECT with locking clause command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 WHERE 1 IN (SELECT 1 FROM t1, t2 FOR UPDATE OF t1); ERROR 42000: SELECT with locking clause command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT * FROM t1 FOR SHARE; ERROR 42000: SELECT with locking clause command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT (SELECT * FROM t1 FOR SHARE); ERROR 42000: SELECT with locking clause command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM (SELECT * FROM t1 FOR SHARE) a1; ERROR 42000: SELECT with locking clause command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 WHERE 1 IN (SELECT * FROM t1 FOR SHARE); ERROR 42000: SELECT with locking clause command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM t1, t2 FOR SHARE OF t1; ERROR 42000: SELECT with locking clause command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT (SELECT 1 FROM t1, t2 FOR SHARE OF t1); ERROR 42000: SELECT with locking clause command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM (SELECT 1 FROM t1, t2 FOR SHARE OF t1) a1; ERROR 42000: SELECT with locking clause command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 WHERE 1 IN (SELECT 1 FROM t1, t2 FOR SHARE OF t1); ERROR 42000: SELECT with locking clause command denied to user 'mysqltestuser1'@'localhost' for table 't1' DROP USER mysqltestuser1@localhost; CREATE USER mysqltestuser1@localhost; GRANT INSERT ON db1.* TO mysqltestuser1@localhost; SELECT * FROM t1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT HIGH_PRIORITY * FROM t1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT * FROM t1 FOR UPDATE; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT (SELECT * FROM t1 FOR UPDATE); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM (SELECT * FROM t1 FOR UPDATE) a1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 WHERE 1 IN (SELECT * FROM t1 FOR UPDATE); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM t1, t2 FOR UPDATE OF t1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT (SELECT 1 FROM t1, t2 FOR UPDATE OF t1); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM (SELECT 1 FROM t1, t2 FOR UPDATE OF t1) a1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 WHERE 1 IN (SELECT 1 FROM t1, t2 FOR UPDATE OF t1); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT * FROM t1 FOR SHARE; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT (SELECT * FROM t1 FOR SHARE); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM (SELECT * FROM t1 FOR SHARE) a1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 WHERE 1 IN (SELECT * FROM t1 FOR SHARE); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM t1, t2 FOR SHARE OF t1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT (SELECT 1 FROM t1, t2 FOR SHARE OF t1); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM (SELECT 1 FROM t1, t2 FOR SHARE OF t1) a1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 WHERE 1 IN (SELECT 1 FROM t1, t2 FOR SHARE OF t1); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' DROP USER mysqltestuser1@localhost; CREATE USER mysqltestuser1@localhost; GRANT UPDATE ON db1.* TO mysqltestuser1@localhost; SELECT * FROM t1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT HIGH_PRIORITY * FROM t1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT * FROM t1 FOR UPDATE; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT (SELECT * FROM t1 FOR UPDATE); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM (SELECT * FROM t1 FOR UPDATE) a1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 WHERE 1 IN (SELECT * FROM t1 FOR UPDATE); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM t1, t2 FOR UPDATE OF t1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT (SELECT 1 FROM t1, t2 FOR UPDATE OF t1); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM (SELECT 1 FROM t1, t2 FOR UPDATE OF t1) a1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 WHERE 1 IN (SELECT 1 FROM t1, t2 FOR UPDATE OF t1); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT * FROM t1 FOR SHARE; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT (SELECT * FROM t1 FOR SHARE); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM (SELECT * FROM t1 FOR SHARE) a1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 WHERE 1 IN (SELECT * FROM t1 FOR SHARE); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM t1, t2 FOR SHARE OF t1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT (SELECT 1 FROM t1, t2 FOR SHARE OF t1); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM (SELECT 1 FROM t1, t2 FOR SHARE OF t1) a1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 WHERE 1 IN (SELECT 1 FROM t1, t2 FOR SHARE OF t1); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' DROP USER mysqltestuser1@localhost; CREATE USER mysqltestuser1@localhost; GRANT DELETE ON db1.* TO mysqltestuser1@localhost; SELECT * FROM t1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT HIGH_PRIORITY * FROM t1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT * FROM t1 FOR UPDATE; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT (SELECT * FROM t1 FOR UPDATE); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM (SELECT * FROM t1 FOR UPDATE) a1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 WHERE 1 IN (SELECT * FROM t1 FOR UPDATE); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM t1, t2 FOR UPDATE OF t1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT (SELECT 1 FROM t1, t2 FOR UPDATE OF t1); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM (SELECT 1 FROM t1, t2 FOR UPDATE OF t1) a1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 WHERE 1 IN (SELECT 1 FROM t1, t2 FOR UPDATE OF t1); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT * FROM t1 FOR SHARE; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT (SELECT * FROM t1 FOR SHARE); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM (SELECT * FROM t1 FOR SHARE) a1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 WHERE 1 IN (SELECT * FROM t1 FOR SHARE); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM t1, t2 FOR SHARE OF t1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT (SELECT 1 FROM t1, t2 FOR SHARE OF t1); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM (SELECT 1 FROM t1, t2 FOR SHARE OF t1) a1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 WHERE 1 IN (SELECT 1 FROM t1, t2 FOR SHARE OF t1); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' DROP USER mysqltestuser1@localhost; CREATE USER mysqltestuser1@localhost; GRANT LOCK TABLES ON db1.* TO mysqltestuser1@localhost; SELECT * FROM t1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT HIGH_PRIORITY * FROM t1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT * FROM t1 FOR UPDATE; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT (SELECT * FROM t1 FOR UPDATE); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM (SELECT * FROM t1 FOR UPDATE) a1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 WHERE 1 IN (SELECT * FROM t1 FOR UPDATE); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM t1, t2 FOR UPDATE OF t1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT (SELECT 1 FROM t1, t2 FOR UPDATE OF t1); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM (SELECT 1 FROM t1, t2 FOR UPDATE OF t1) a1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 WHERE 1 IN (SELECT 1 FROM t1, t2 FOR UPDATE OF t1); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT * FROM t1 FOR SHARE; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT (SELECT * FROM t1 FOR SHARE); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM (SELECT * FROM t1 FOR SHARE) a1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 WHERE 1 IN (SELECT * FROM t1 FOR SHARE); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM t1, t2 FOR SHARE OF t1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT (SELECT 1 FROM t1, t2 FOR SHARE OF t1); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 FROM (SELECT 1 FROM t1, t2 FOR SHARE OF t1) a1; ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' SELECT 1 WHERE 1 IN (SELECT 1 FROM t1, t2 FOR SHARE OF t1); ERROR 42000: SELECT command denied to user 'mysqltestuser1'@'localhost' for table 't1' DROP USER mysqltestuser1@localhost; CREATE USER mysqltestuser1@localhost; GRANT SELECT, UPDATE ON db1.* TO mysqltestuser1@localhost; SELECT * FROM t1; a SELECT HIGH_PRIORITY * FROM t1; a SELECT * FROM t1 FOR UPDATE; a SELECT (SELECT * FROM t1 FOR UPDATE); (SELECT * FROM t1 FOR UPDATE) NULL SELECT 1 FROM (SELECT * FROM t1 FOR UPDATE) a1; 1 SELECT 1 WHERE 1 IN (SELECT * FROM t1 FOR UPDATE); 1 SELECT 1 FROM t1, t2 FOR UPDATE OF t1; 1 SELECT (SELECT 1 FROM t1, t2 FOR UPDATE OF t1); (SELECT 1 FROM t1, t2 FOR UPDATE OF t1) NULL SELECT 1 FROM (SELECT 1 FROM t1, t2 FOR UPDATE OF t1) a1; 1 SELECT 1 WHERE 1 IN (SELECT 1 FROM t1, t2 FOR UPDATE OF t1); 1 SELECT * FROM t1 FOR SHARE; a SELECT (SELECT * FROM t1 FOR SHARE); (SELECT * FROM t1 FOR SHARE) NULL SELECT 1 FROM (SELECT * FROM t1 FOR SHARE) a1; 1 SELECT 1 WHERE 1 IN (SELECT * FROM t1 FOR SHARE); 1 SELECT 1 FROM t1, t2 FOR SHARE OF t1; 1 SELECT (SELECT 1 FROM t1, t2 FOR SHARE OF t1); (SELECT 1 FROM t1, t2 FOR SHARE OF t1) NULL SELECT 1 FROM (SELECT 1 FROM t1, t2 FOR SHARE OF t1) a1; 1 SELECT 1 WHERE 1 IN (SELECT 1 FROM t1, t2 FOR SHARE OF t1); 1 DROP USER mysqltestuser1@localhost; CREATE USER mysqltestuser1@localhost; GRANT SELECT, UPDATE, DELETE ON db1.* TO mysqltestuser1@localhost; SELECT * FROM t1; a SELECT HIGH_PRIORITY * FROM t1; a SELECT * FROM t1 FOR UPDATE; a SELECT (SELECT * FROM t1 FOR UPDATE); (SELECT * FROM t1 FOR UPDATE) NULL SELECT 1 FROM (SELECT * FROM t1 FOR UPDATE) a1; 1 SELECT 1 WHERE 1 IN (SELECT * FROM t1 FOR UPDATE); 1 SELECT 1 FROM t1, t2 FOR UPDATE OF t1; 1 SELECT (SELECT 1 FROM t1, t2 FOR UPDATE OF t1); (SELECT 1 FROM t1, t2 FOR UPDATE OF t1) NULL SELECT 1 FROM (SELECT 1 FROM t1, t2 FOR UPDATE OF t1) a1; 1 SELECT 1 WHERE 1 IN (SELECT 1 FROM t1, t2 FOR UPDATE OF t1); 1 SELECT * FROM t1 FOR SHARE; a SELECT (SELECT * FROM t1 FOR SHARE); (SELECT * FROM t1 FOR SHARE) NULL SELECT 1 FROM (SELECT * FROM t1 FOR SHARE) a1; 1 SELECT 1 WHERE 1 IN (SELECT * FROM t1 FOR SHARE); 1 SELECT 1 FROM t1, t2 FOR SHARE OF t1; 1 SELECT (SELECT 1 FROM t1, t2 FOR SHARE OF t1); (SELECT 1 FROM t1, t2 FOR SHARE OF t1) NULL SELECT 1 FROM (SELECT 1 FROM t1, t2 FOR SHARE OF t1) a1; 1 SELECT 1 WHERE 1 IN (SELECT 1 FROM t1, t2 FOR SHARE OF t1); 1 DROP USER mysqltestuser1@localhost; CREATE USER mysqltestuser1@localhost; GRANT SELECT, DELETE ON db1.* TO mysqltestuser1@localhost; SELECT * FROM t1; a SELECT HIGH_PRIORITY * FROM t1; a SELECT * FROM t1 FOR UPDATE; a SELECT (SELECT * FROM t1 FOR UPDATE); (SELECT * FROM t1 FOR UPDATE) NULL SELECT 1 FROM (SELECT * FROM t1 FOR UPDATE) a1; 1 SELECT 1 WHERE 1 IN (SELECT * FROM t1 FOR UPDATE); 1 SELECT 1 FROM t1, t2 FOR UPDATE OF t1; 1 SELECT (SELECT 1 FROM t1, t2 FOR UPDATE OF t1); (SELECT 1 FROM t1, t2 FOR UPDATE OF t1) NULL SELECT 1 FROM (SELECT 1 FROM t1, t2 FOR UPDATE OF t1) a1; 1 SELECT 1 WHERE 1 IN (SELECT 1 FROM t1, t2 FOR UPDATE OF t1); 1 SELECT * FROM t1 FOR SHARE; a SELECT (SELECT * FROM t1 FOR SHARE); (SELECT * FROM t1 FOR SHARE) NULL SELECT 1 FROM (SELECT * FROM t1 FOR SHARE) a1; 1 SELECT 1 WHERE 1 IN (SELECT * FROM t1 FOR SHARE); 1 SELECT 1 FROM t1, t2 FOR SHARE OF t1; 1 SELECT (SELECT 1 FROM t1, t2 FOR SHARE OF t1); (SELECT 1 FROM t1, t2 FOR SHARE OF t1) NULL SELECT 1 FROM (SELECT 1 FROM t1, t2 FOR SHARE OF t1) a1; 1 SELECT 1 WHERE 1 IN (SELECT 1 FROM t1, t2 FOR SHARE OF t1); 1 DROP USER mysqltestuser1@localhost; CREATE USER mysqltestuser1@localhost; GRANT SELECT, LOCK TABLES ON db1.* TO mysqltestuser1@localhost; SELECT * FROM t1; a SELECT HIGH_PRIORITY * FROM t1; a SELECT * FROM t1 FOR UPDATE; a SELECT (SELECT * FROM t1 FOR UPDATE); (SELECT * FROM t1 FOR UPDATE) NULL SELECT 1 FROM (SELECT * FROM t1 FOR UPDATE) a1; 1 SELECT 1 WHERE 1 IN (SELECT * FROM t1 FOR UPDATE); 1 SELECT 1 FROM t1, t2 FOR UPDATE OF t1; 1 SELECT (SELECT 1 FROM t1, t2 FOR UPDATE OF t1); (SELECT 1 FROM t1, t2 FOR UPDATE OF t1) NULL SELECT 1 FROM (SELECT 1 FROM t1, t2 FOR UPDATE OF t1) a1; 1 SELECT 1 WHERE 1 IN (SELECT 1 FROM t1, t2 FOR UPDATE OF t1); 1 SELECT * FROM t1 FOR SHARE; a SELECT (SELECT * FROM t1 FOR SHARE); (SELECT * FROM t1 FOR SHARE) NULL SELECT 1 FROM (SELECT * FROM t1 FOR SHARE) a1; 1 SELECT 1 WHERE 1 IN (SELECT * FROM t1 FOR SHARE); 1 SELECT 1 FROM t1, t2 FOR SHARE OF t1; 1 SELECT (SELECT 1 FROM t1, t2 FOR SHARE OF t1); (SELECT 1 FROM t1, t2 FOR SHARE OF t1) NULL SELECT 1 FROM (SELECT 1 FROM t1, t2 FOR SHARE OF t1) a1; 1 SELECT 1 WHERE 1 IN (SELECT 1 FROM t1, t2 FOR SHARE OF t1); 1 DROP USER mysqltestuser1@localhost; DROP DATABASE db1; # # Bug#28581664: SELECT FOR UPDATE PRODUCES ERROR 1143 # (42000) SINCE MYSQL 8 # CREATE DATABASE db1; CREATE TABLE db1.t1 ( a INT ); INSERT INTO db1.t1 VALUES ( 1 ); CREATE USER mysqluser1; GRANT ALL ON db1.t1 TO mysqluser1; SELECT * FROM t1 WHERE a = 1 FOR UPDATE; a 1 DROP DATABASE db1; DROP USER mysqluser1;