include/rpl_init.inc [topology=1->2->3]
include/rpl_connect.inc [creating master]
include/rpl_connect.inc [creating slave]
connection master;
CREATE TABLE t1(c1 char(100));
CREATE VIEW test.v_user AS SELECT * FROM mysql.user WHERE User LIKE 'bug48321%';
CREATE VIEW test.v_tables_priv AS SELECT * FROM mysql.tables_priv WHERE User LIKE 'bug48321%';
CREATE VIEW test.v_procs_priv AS SELECT * FROM mysql.procs_priv WHERE User LIKE 'bug48321%';
CREATE VIEW test.v_event AS SELECT definer FROM mysql.event WHERE name = 'e1';
CREATE PROCEDURE p1() SELECT 1;
# bug48321_1-01234 has the max length(16) of user.
CREATE USER 'bug48321_1-01234'@'localhost';
GRANT ALL PRIVILEGES ON *.* TO 'bug48321_1-01234'@'localhost' WITH GRANT OPTION;

# Test the max lengths of user and host names
# the user name is too long
GRANT CREATE USER ON *.* TO '012345678901234567890123456789012345678901234567890123456789012345678901234567890'@'fakehost';
ERROR HY000: String '0123456789012345678901234567890123456789012345678901234567890123456...' is too long for user name (should be no longer than 80)
# the host name is too long
GRANT CREATE USER ON *.* TO 'fakename'@'0123456789012345678901234567890123456789012345678901234567890';
ERROR HY000: String '0123456789012345678901234567890123456789012345678901234567890' is too long for host name (should be no longer than 60)

# User 'bug48321_1-01234' connects to master by conn1
connect  conn1, 127.0.0.1, 'bug48321_1-01234'@'localhost',,;
connection conn1;
# Verify 'REVOKE ALL' statement
REVOKE ALL PRIVILEGES, GRANT OPTION FROM CURRENT_USER();
include/rpl_sync.inc
include/diff_tables.inc [server_1:v_user, server_2:v_user, server_3:v_user]

# Verify 'GRANT ... ON TABLE ...' statement
GRANT CREATE, INSERT, SELECT ON TABLE test.t1 TO CURRENT_USER();
include/rpl_sync.inc
include/diff_tables.inc [server_1:v_tables_priv, server_2:v_tables_priv, server_3:v_tables_priv]

# Verify 'GRANT ... ON PROCEDURE...' statement
GRANT ALTER ROUTINE, EXECUTE ON PROCEDURE p1 TO CURRENT_USER();
include/rpl_sync.inc
include/diff_tables.inc [server_1:v_procs_priv, server_2:v_procs_priv, server_3:v_procs_priv]

# Verify 'GRANT ... ON *.* ...' statement
GRANT ALL PRIVILEGES ON *.* TO CURRENT_USER() WITH GRANT OPTION;
include/rpl_sync.inc
include/diff_tables.inc [server_1:v_procs_priv, server_2:v_procs_priv, server_3:v_procs_priv]

# Verify 'REVOKE ... ON TABLE ...' statement
REVOKE CREATE, INSERT, SELECT ON TABLE t1 FROM CURRENT_USER();
include/rpl_sync.inc
include/diff_tables.inc [server_1:v_tables_priv, server_2:v_tables_priv, server_3:v_tables_priv]

# Verify 'REVOKE ... ON PROCEDURE...' statement
REVOKE ALTER ROUTINE, EXECUTE ON PROCEDURE p1 FROM CURRENT_USER();
include/rpl_sync.inc
include/diff_tables.inc [server_1:v_procs_priv, server_2:v_procs_priv, server_3:v_procs_priv]

# Verify 'REVOKE ... ON *.* ...' statement
REVOKE ALL PRIVILEGES ON *.* FROM CURRENT_USER();
include/rpl_sync.inc
include/diff_tables.inc [server_1:v_user, server_2:v_user, server_3:v_user]

# Verify 'GRANT ...' statement in the procedure
CREATE PROCEDURE my_grant()
GRANT CREATE, INSERT, SELECT ON TABLE test.t1 TO CURRENT_USER();
call my_grant;
include/rpl_sync.inc
include/diff_tables.inc [server_1:v_tables_priv, server_2:v_tables_priv, server_3:v_tables_priv]

# Verify 'REVOKE ... ON TABLE ...' statement in the procedure
CREATE PROCEDURE my_revoke()
REVOKE CREATE, INSERT, SELECT ON TABLE t1 FROM CURRENT_USER();
call my_revoke;
include/rpl_sync.inc
include/diff_tables.inc [server_1:v_tables_priv, server_2:v_tables_priv, server_3:v_tables_priv]

# Verify 'RENAME USER ...' statement
RENAME USER CURRENT_USER TO 'bug48321_2'@'localhost';
include/rpl_sync.inc
include/diff_tables.inc [server_1:v_user, server_2:v_user, server_3:v_user]
disconnect conn1;

# Verify 'DROP USER ...' statement
connection master;
GRANT CREATE USER ON *.* TO 'bug48321_2'@'localhost';
connect  conn1, 127.0.0.1, 'bug48321_2'@'localhost',,;
connection conn1;
DROP USER CURRENT_USER();
include/rpl_sync.inc
include/diff_tables.inc [server_1:v_user, server_2:v_user, server_3:v_user]

# Verify 'ALTER EVENT...' statement
connection master;
CREATE EVENT e1 ON SCHEDULE EVERY 1 DAY DO SELECT * FROM t1;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
# Explicitly assign CURRENT_USER() to definer
ALTER DEFINER=CURRENT_USER() EVENT e1 ENABLE;
include/rpl_sync.inc
include/diff_tables.inc [server_1:v_event, server_2:v_event, server_3:v_event]

# Session user will be set as definer, if the statement does not assign
# a definer
ALTER EVENT e1 ENABLE;
include/rpl_sync.inc
include/diff_tables.inc [server_1:v_event, server_2:v_event, server_3:v_event]

# Verify that this patch does not affect the calling of CURRENT_USER() 
# in the other statements
connection master;
INSERT INTO t1 VALUES(CURRENT_USER()), ('1234');
Warnings:
Note	1592	Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
SELECT * FROM t1;
c1
root@localhost
1234
connection slave;
SELECT * FROM t1;
c1
@
1234
connection server_3;
SELECT * FROM t1;
c1
@
1234
connection master;
UPDATE t1 SET c1=CURRENT_USER() WHERE c1='1234';
Warnings:
Note	1592	Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
SELECT * FROM t1;
c1
root@localhost
root@localhost
connection slave;
SELECT * FROM t1;
c1
@
@
connection server_3;
SELECT * FROM t1;
c1
@
@
connection master;
DELETE FROM t1 WHERE c1=CURRENT_USER();
Warnings:
Note	1592	Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
SELECT * FROM t1;
c1
connection slave;
SELECT * FROM t1;
c1
connection server_3;
SELECT * FROM t1;
c1
connection master;
CREATE TABLE t2(c1 char(100));
CREATE FUNCTION my_user() RETURNS VARCHAR(64) 
SQL SECURITY INVOKER 
BEGIN
INSERT INTO t2 VALUES(CURRENT_USER());
RETURN CURRENT_USER();
END |
INSERT INTO t1 VALUES(my_user());
Warnings:
Note	1592	Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
SELECT * FROM t1;
c1
root@localhost
SELECT * FROM t2;
c1
root@localhost
connection slave;
SELECT * FROM t1;
c1
@
SELECT * FROM t2;
c1
@
connection server_3;
SELECT * FROM t1;
c1
@
SELECT * FROM t2;
c1
@

# END
connection master;
DROP TABLE t1, t2;
DROP VIEW v_user, v_tables_priv, v_procs_priv, v_event;
DROP PROCEDURE p1;
DROP PROCEDURE my_grant;
DROP PROCEDURE my_revoke;
DROP FUNCTION my_user;
DROP EVENT e1;
include/rpl_end.inc