config root man

set @start_read_only= @@global.read_only;
DROP TABLE IF EXISTS t1,t2,t3;
set @orig_sql_mode= @@sql_mode;
set sql_mode= (select replace(@@sql_mode,'NO_AUTO_CREATE_USER',''));
Warnings:
Warning	3090	Changing sql mode 'NO_AUTO_CREATE_USER' is deprecated. It will be removed in a future release.
grant CREATE, SELECT, DROP on *.* to test@localhost;
Warnings:
Warning	1287	Using GRANT for creating new user is deprecated and will be removed in future release. Create new user with CREATE USER statement.
connect (con1,localhost,test,,test);
connection default;
set global read_only=0;
connection con1;
create table t1 (a int);
insert into t1 values(1);
create table t2 select * from t1;
connection default;
set global read_only=1;
create table t3 (a int);
drop table t3;
connection con1;
select @@global.read_only;
@@global.read_only
1
create table t3 (a int);
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
insert into t1 values(1);
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
update t1 set a=1 where 1=0;
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
update t1,t2 set t1.a=t2.a+1 where t1.a=t2.a;
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
delete t1,t2 from t1,t2 where t1.a=t2.a;
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
create temporary table t3 (a int);
create temporary table t4 (a int) select * from t3;
insert into t3 values(1);
insert into t4 select * from t3;
update t1,t3 set t1.a=t3.a+1 where t1.a=t3.a;
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
update t1,t3 set t3.a=t1.a+1 where t1.a=t3.a;
update t4,t3 set t4.a=t3.a+1 where t4.a=t3.a;
delete t1 from t1,t3 where t1.a=t3.a;
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
delete t3 from t1,t3 where t1.a=t3.a;
delete t4 from t3,t4 where t4.a=t3.a;
create temporary table t1 (a int);
insert into t1 values(1);
update t1,t3 set t1.a=t3.a+1 where t1.a=t3.a;
delete t1 from t1,t3 where t1.a=t3.a;
drop table t1;
insert into t1 values(1);
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
connection default;
set global read_only=0;
lock table t1 write;
connection con1;
lock table t2 write;
connection default;
set global read_only=1;
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
unlock tables ;
send set global read_only=1;
set global read_only=1;
connection con1;
select @@global.read_only;
@@global.read_only
0
unlock tables ;
select @@global.read_only;
@@global.read_only
1
connection default;
reap;
connection default;
set global read_only=0;
lock table t1 read;
connection con1;
lock table t2 read;
connection default;
set global read_only=1;
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
unlock tables ;
set global read_only=1;
select @@global.read_only;
@@global.read_only
1
connection con1;
select @@global.read_only;
@@global.read_only
1
unlock tables ;
connection default;
connection default;
set global read_only=0;
BEGIN;
connection con1;
BEGIN;
connection default;
set global read_only=1;
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
ROLLBACK;
set global read_only=1;
connection con1;
select @@global.read_only;
@@global.read_only
1
ROLLBACK;
connection default;
set global read_only=0;
flush tables with read lock;
set global read_only=1;
unlock tables;
connect (root2,localhost,root,,test);
connection default;
set global read_only=0;
flush tables with read lock;
connection root2;
set global read_only=1;
connection default;
select @@global.read_only;
@@global.read_only
1
unlock tables;
drop temporary table ttt;
ERROR 42S02: Unknown table 'test.ttt'
drop temporary table if exists ttt;
Warnings:
Note	1051	Unknown table 'test.ttt'
connection default;
set global read_only=0;
drop table t1,t2;
drop user test@localhost;
#
# Bug#27440 read_only allows create and drop database
#
set global read_only= 1;
drop database if exists mysqltest_db1;
drop database if exists mysqltest_db2;
delete from mysql.user where User like 'mysqltest_%';
delete from mysql.db where User like 'mysqltest_%';
delete from mysql.tables_priv where User like 'mysqltest_%';
delete from mysql.columns_priv where User like 'mysqltest_%';
flush privileges;
grant all on mysqltest_db2.* to `mysqltest_u1`@`%`;
Warnings:
Warning	1287	Using GRANT for creating new user is deprecated and will be removed in future release. Create new user with CREATE USER statement.
create database mysqltest_db1;
grant all on mysqltest_db1.* to `mysqltest_u1`@`%`;
flush privileges;
connect (con_bug27440,127.0.0.1,mysqltest_u1,,test,MASTER_MYPORT,);
connection con_bug27440;
create database mysqltest_db2;
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
show databases like '%mysqltest_db2%';
Database (%mysqltest_db2%)
drop database mysqltest_db1;
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
disconnect con_bug27440;
connection default;
delete from mysql.user where User like 'mysqltest_%';
delete from mysql.db where User like 'mysqltest_%';
delete from mysql.tables_priv where User like 'mysqltest_%';
delete from mysql.columns_priv where User like 'mysqltest_%';
flush privileges;
drop database mysqltest_db1;
set global read_only= @start_read_only;
#
# WL#5968 Implement START TRANSACTION READ (WRITE|ONLY);
#
#
# Test interaction with read_only system variable.
DROP TABLE IF EXISTS t1;
CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES (1), (2);
CREATE USER user1;
SET GLOBAL read_only= 1;
# All allowed with super privilege
START TRANSACTION;
COMMIT;
START TRANSACTION READ ONLY;
COMMIT;
START TRANSACTION READ WRITE;
COMMIT;
# We allow implicit RW transaction without super privilege
# for compatibility reasons
START TRANSACTION;
# Check that table updates are still disallowed.
INSERT INTO t1 VALUES (3);
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
UPDATE t1 SET a= 1;
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
DELETE FROM t1;
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
COMMIT;
START TRANSACTION READ ONLY;
COMMIT;
# Explicit RW trans is not allowed without super privilege
START TRANSACTION READ WRITE;
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
COMMIT;
DROP USER user1;
SET GLOBAL read_only= 0;
DROP TABLE t1;
set sql_mode= @orig_sql_mode;
Warnings:
Warning	3090	Changing sql mode 'NO_AUTO_CREATE_USER' is deprecated. It will be removed in a future release.
#
# BUG#28438114: SET READ_ONLY=1 SOMETIMES DOESN'T BLOCK CONCURRENT DDL.
#
# Prepare the sql file for testing DDLS.
SET @save_read_only= @@global.read_only;
CREATE USER test@localhost;
GRANT CREATE, DROP, INSERT, CREATE TABLESPACE, ALTER ROUTINE, RELOAD ON *.* TO test@localhost;
connect (con1,localhost,test,,test);
connect (con2,localhost,root,,test);
# Test CREATE DATABASE statement.
connection default;
FLUSH TABLES WITH READ LOCK;
connection con1;
# DDL statement will block waiting for GRL.
CREATE DATABASE new;
connection con2;
# Wait until statement is blocked waiting for GRL.
SET GLOBAL READ_ONLY= 1;
connection default;
# Unblock the DDL statement.
UNLOCK TABLES;
connection con1;
# Without patch for BUG#28438114, the DDL statement will succeed even
# though read only mode was set.
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
# Clean up.
connection default;
SET GLOBAL READ_ONLY= 0;
# Test ALTER DATABASE statement
connection default;
FLUSH TABLES WITH READ LOCK;
connection con1;
# DDL statement will block waiting for GRL.
ALTER DATABASE test CHARACTER SET utf8;;
connection con2;
# Wait until statement is blocked waiting for GRL.
SET GLOBAL READ_ONLY= 1;
connection default;
# Unblock the DDL statement.
UNLOCK TABLES;
connection con1;
# Without patch for BUG#28438114, the DDL statement will succeed even
# though read only mode was set.
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
# Clean up.
connection default;
SET GLOBAL READ_ONLY= 0;
# Test DROP DATABASE statement.
CREATE DATABASE new;
connection default;
FLUSH TABLES WITH READ LOCK;
connection con1;
# DDL statement will block waiting for GRL.
DROP DATABASE new;
connection con2;
# Wait until statement is blocked waiting for GRL.
SET GLOBAL READ_ONLY= 1;
connection default;
# Unblock the DDL statement.
UNLOCK TABLES;
connection con1;
# Without patch for BUG#28438114, the DDL statement will succeed even
# though read only mode was set.
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
# Clean up.
connection default;
SET GLOBAL READ_ONLY= 0;
DROP DATABASE new;
# Test CREATE TABLE statement.
connection default;
FLUSH TABLES WITH READ LOCK;
connection con1;
# DDL statement will block waiting for GRL.
CREATE TABLE t1(fld1 INT);
connection con2;
# Wait until statement is blocked waiting for GRL.
SET GLOBAL READ_ONLY= 1;
connection default;
# Unblock the DDL statement.
UNLOCK TABLES;
connection con1;
# Without patch for BUG#28438114, the DDL statement will succeed even
# though read only mode was set.
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
# Clean up.
connection default;
SET GLOBAL READ_ONLY= 0;
# Test ALTER TABLE statement.
CREATE TABLE t1(fld1 INT);
connection default;
FLUSH TABLES WITH READ LOCK;
connection con1;
# DDL statement will block waiting for GRL.
ALTER TABLE t1 ADD fld2 INT;
connection con2;
# Wait until statement is blocked waiting for GRL.
SET GLOBAL READ_ONLY= 1;
connection default;
# Unblock the DDL statement.
UNLOCK TABLES;
connection con1;
# Without patch for BUG#28438114, the DDL statement will succeed even
# though read only mode was set.
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
# Clean up.
connection default;
SET GLOBAL READ_ONLY= 0;
# Test DROP TABLE statement.
connection default;
FLUSH TABLES WITH READ LOCK;
connection con1;
# DDL statement will block waiting for GRL.
DROP TABLE t1;
connection con2;
# Wait until statement is blocked waiting for GRL.
SET GLOBAL READ_ONLY= 1;
connection default;
# Unblock the DDL statement.
UNLOCK TABLES;
connection con1;
# Without patch for BUG#28438114, the DDL statement will succeed even
# though read only mode was set.
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
# Clean up.
connection default;
SET GLOBAL READ_ONLY= 0;
# Test CREATE INDEX statement.
connection default;
FLUSH TABLES WITH READ LOCK;
connection con1;
# DDL statement will block waiting for GRL.
CREATE INDEX idx1 ON t1 (fld1) USING BTREE;
connection con2;
# Wait until statement is blocked waiting for GRL.
SET GLOBAL READ_ONLY= 1;
connection default;
# Unblock the DDL statement.
UNLOCK TABLES;
connection con1;
# Without patch for BUG#28438114, the DDL statement will succeed even
# though read only mode was set.
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
# Clean up.
connection default;
SET GLOBAL READ_ONLY= 0;
# Test DROP INDEX statement.
CREATE INDEX idx1 ON t1 (fld1) USING BTREE;
connection default;
FLUSH TABLES WITH READ LOCK;
connection con1;
# DDL statement will block waiting for GRL.
DROP INDEX idx1 ON t1;
connection con2;
# Wait until statement is blocked waiting for GRL.
SET GLOBAL READ_ONLY= 1;
connection default;
# Unblock the DDL statement.
UNLOCK TABLES;
connection con1;
# Without patch for BUG#28438114, the DDL statement will succeed even
# though read only mode was set.
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
# Clean up.
connection default;
SET GLOBAL READ_ONLY= 0;
DROP INDEX idx1 ON t1;
# Test CREATE TRIGGER statement.
connection default;
FLUSH TABLES WITH READ LOCK;
connection con1;
# DDL statement will block waiting for GRL.
CREATE TRIGGER trg1 BEFORE INSERT ON t1
FOR EACH ROW BEGIN END;
connection con2;
# Wait until statement is blocked waiting for GRL.
SET GLOBAL READ_ONLY= 1;
connection default;
# Unblock the DDL statement.
UNLOCK TABLES;
connection con1;
# Without patch for BUG#28438114, the DDL statement will succeed even
# though read only mode was set.
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
# Clean up.
connection default;
SET GLOBAL READ_ONLY= 0;
# Test DROP TRIGGER statement.
CREATE TRIGGER trg1 BEFORE INSERT ON t1
FOR EACH ROW BEGIN END;
connection default;
FLUSH TABLES WITH READ LOCK;
connection con1;
# DDL statement will block waiting for GRL.
DROP TRIGGER trg1;
connection con2;
# Wait until statement is blocked waiting for GRL.
SET GLOBAL READ_ONLY= 1;
connection default;
# Unblock the DDL statement.
UNLOCK TABLES;
connection con1;
# Without patch for BUG#28438114, the DDL statement will succeed even
# though read only mode was set.
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
# Clean up.
connection default;
SET GLOBAL READ_ONLY= 0;
DROP TRIGGER trg1;
# Test TRUNCATE TABLE statement.
connection default;
FLUSH TABLES WITH READ LOCK;
connection con1;
# DDL statement will block waiting for GRL.
TRUNCATE TABLE t1;
connection con2;
# Wait until statement is blocked waiting for GRL.
SET GLOBAL READ_ONLY= 1;
connection default;
# Unblock the DDL statement.
UNLOCK TABLES;
connection con1;
# Without patch for BUG#28438114, the DDL statement will succeed even
# though read only mode was set.
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
# Clean up.
connection default;
SET GLOBAL READ_ONLY= 0;
# Test CREATE VIEW statement.
connection default;
FLUSH TABLES WITH READ LOCK;
connection con1;
# DDL statement will block waiting for GRL.
CREATE VIEW v1 AS SELECT * FROM t1;
connection con2;
# Wait until statement is blocked waiting for GRL.
SET GLOBAL READ_ONLY= 1;
connection default;
# Unblock the DDL statement.
UNLOCK TABLES;
connection con1;
# Without patch for BUG#28438114, the DDL statement will succeed even
# though read only mode was set.
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
# Clean up.
connection default;
SET GLOBAL READ_ONLY= 0;
# Test ALTER VIEW statement.
CREATE VIEW v1 AS SELECT * FROM t1;
connection default;
FLUSH TABLES WITH READ LOCK;
connection con1;
# DDL statement will block waiting for GRL.
ALTER VIEW v1 AS SELECT 1;
connection con2;
# Wait until statement is blocked waiting for GRL.
SET GLOBAL READ_ONLY= 1;
connection default;
# Unblock the DDL statement.
UNLOCK TABLES;
connection con1;
# Without patch for BUG#28438114, the DDL statement will succeed even
# though read only mode was set.
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
# Clean up.
connection default;
SET GLOBAL READ_ONLY= 0;
# Test DROP VIEW statement.
connection default;
FLUSH TABLES WITH READ LOCK;
connection con1;
# DDL statement will block waiting for GRL.
DROP VIEW v1;
connection con2;
# Wait until statement is blocked waiting for GRL.
SET GLOBAL READ_ONLY= 1;
connection default;
# Unblock the DDL statement.
UNLOCK TABLES;
connection con1;
# Without patch for BUG#28438114, the DDL statement will succeed even
# though read only mode was set.
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
# Clean up.
connection default;
SET GLOBAL READ_ONLY= 0;
DROP VIEW v1;
DROP TABLE t1;
# Test CREATE TABLESPACE statement
connection default;
FLUSH TABLES WITH READ LOCK;
connection con1;
# DDL statement will block waiting for GRL.
CREATE TABLESPACE ts1
ADD DATAFILE 'ts1.ibd' ENGINE=INNODB;
connection con2;
# Wait until statement is blocked waiting for GRL.
SET GLOBAL READ_ONLY= 1;
connection default;
# Unblock the DDL statement.
UNLOCK TABLES;
connection con1;
# Without patch for BUG#28438114, the DDL statement will succeed even
# though read only mode was set.
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
# Clean up.
connection default;
SET GLOBAL READ_ONLY= 0;
CREATE TABLESPACE ts1 ADD DATAFILE 'ts1.ibd' ENGINE=INNODB;
# Test DROP TABLESPACE statement
connection default;
FLUSH TABLES WITH READ LOCK;
connection con1;
# DDL statement will block waiting for GRL.
DROP TABLESPACE ts1;
connection con2;
# Wait until statement is blocked waiting for GRL.
SET GLOBAL READ_ONLY= 1;
connection default;
# Unblock the DDL statement.
UNLOCK TABLES;
connection con1;
# Without patch for BUG#28438114, the DDL statement will succeed even
# though read only mode was set.
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
# Clean up.
connection default;
SET GLOBAL READ_ONLY= 0;
DROP TABLESPACE ts1;
# Test CREATE FUNCTION statement.
connection default;
FLUSH TABLES WITH READ LOCK;
connection con1;
# DDL statement will block waiting for GRL.
CREATE FUNCTION f1() RETURNS INT RETURN 5;
connection con2;
# Wait until statement is blocked waiting for GRL.
SET GLOBAL READ_ONLY= 1;
connection default;
# Unblock the DDL statement.
UNLOCK TABLES;
connection con1;
# Without patch for BUG#28438114, the DDL statement will succeed even
# though read only mode was set.
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
# Clean up.
connection default;
SET GLOBAL READ_ONLY= 0;
# Test ALTER FUNCTION statement.
CREATE FUNCTION f1() RETURNS INT RETURN 5;
connection default;
FLUSH TABLES WITH READ LOCK;
connection con1;
# DDL statement will block waiting for GRL.
ALTER FUNCTION f1 COMMENT 'test';
connection con2;
# Wait until statement is blocked waiting for GRL.
SET GLOBAL READ_ONLY= 1;
connection default;
# Unblock the DDL statement.
UNLOCK TABLES;
connection con1;
# Without patch for BUG#28438114, the DDL statement will succeed even
# though read only mode was set.
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
# Clean up.
connection default;
SET GLOBAL READ_ONLY= 0;
# Test DROP FUNCTION statement.
connection default;
FLUSH TABLES WITH READ LOCK;
connection con1;
# DDL statement will block waiting for GRL.
DROP FUNCTION f1;
connection con2;
# Wait until statement is blocked waiting for GRL.
SET GLOBAL READ_ONLY= 1;
connection default;
# Unblock the DDL statement.
UNLOCK TABLES;
connection con1;
# Without patch for BUG#28438114, the DDL statement will succeed even
# though read only mode was set.
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
# Clean up.
connection default;
SET GLOBAL READ_ONLY= 0;
DROP FUNCTION f1;
# Test CREATE PROCEDURE statement
connection default;
FLUSH TABLES WITH READ LOCK;
connection con1;
# DDL statement will block waiting for GRL.
CREATE PROCEDURE p1() select 1;
connection con2;
# Wait until statement is blocked waiting for GRL.
SET GLOBAL READ_ONLY= 1;
connection default;
# Unblock the DDL statement.
UNLOCK TABLES;
connection con1;
# Without patch for BUG#28438114, the DDL statement will succeed even
# though read only mode was set.
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
# Clean up.
connection default;
SET GLOBAL READ_ONLY= 0;
# Test ALTER PROCEDURE statement.
CREATE PROCEDURE p1() select 1;
connection default;
FLUSH TABLES WITH READ LOCK;
connection con1;
# DDL statement will block waiting for GRL.
ALTER PROCEDURE p1 comment 'test';
connection con2;
# Wait until statement is blocked waiting for GRL.
SET GLOBAL READ_ONLY= 1;
connection default;
# Unblock the DDL statement.
UNLOCK TABLES;
connection con1;
# Without patch for BUG#28438114, the DDL statement will succeed even
# though read only mode was set.
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
# Clean up.
connection default;
SET GLOBAL READ_ONLY= 0;
# Test DROP PROCEDURE statement.
connection default;
FLUSH TABLES WITH READ LOCK;
connection con1;
# DDL statement will block waiting for GRL.
DROP PROCEDURE p1;
connection con2;
# Wait until statement is blocked waiting for GRL.
SET GLOBAL READ_ONLY= 1;
connection default;
# Unblock the DDL statement.
UNLOCK TABLES;
connection con1;
# Without patch for BUG#28438114, the DDL statement will succeed even
# though read only mode was set.
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
# Clean up.
connection default;
SET GLOBAL READ_ONLY= 0;
DROP PROCEDURE p1;
# Test CREATE EVENT statement
connection default;
FLUSH TABLES WITH READ LOCK;
connection con1;
# DDL statement will block waiting for GRL.
CREATE EVENT event1 ON SCHEDULE
EVERY 10 HOUR DO SELECT 1;
connection con2;
# Wait until statement is blocked waiting for GRL.
SET GLOBAL READ_ONLY= 1;
connection default;
# Unblock the DDL statement.
UNLOCK TABLES;
connection con1;
# Without patch for BUG#28438114, the DDL statement will succeed even
# though read only mode was set.
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
# Clean up.
connection default;
SET GLOBAL READ_ONLY= 0;
# Test ALTER EVENT statement
CREATE EVENT event1 ON SCHEDULE EVERY 10 HOUR DO SELECT 1;
connection default;
FLUSH TABLES WITH READ LOCK;
connection con1;
# DDL statement will block waiting for GRL.
ALTER EVENT event1 DISABLE;
connection con2;
# Wait until statement is blocked waiting for GRL.
SET GLOBAL READ_ONLY= 1;
connection default;
# Unblock the DDL statement.
UNLOCK TABLES;
connection con1;
# Without patch for BUG#28438114, the DDL statement will succeed even
# though read only mode was set.
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
# Clean up.
connection default;
SET GLOBAL READ_ONLY= 0;
# Test DROP EVENT statement.
connection default;
FLUSH TABLES WITH READ LOCK;
connection con1;
# DDL statement will block waiting for GRL.
DROP EVENT event1;
connection con2;
# Wait until statement is blocked waiting for GRL.
SET GLOBAL READ_ONLY= 1;
connection default;
# Unblock the DDL statement.
UNLOCK TABLES;
connection con1;
# Without patch for BUG#28438114, the DDL statement will succeed even
# though read only mode was set.
ERROR HY000: The MySQL server is running with the --read-only option so it cannot execute this statement
# Clean up.
connection default;
SET GLOBAL READ_ONLY= 0;
DROP EVENT event1;
# Test case added for coverage.
CREATE TABLE t1(fld1 INT);
# FTWRL and FLUSH TABLE..FOR EXPORT is not blocked
# in read_only/super_read_only mode.
FLUSH TABLES t1 WITH READ LOCK;
UNLOCK TABLES;
FLUSH TABLES t1 FOR EXPORT;
UNLOCK TABLES;
# Clean up.
DROP TABLE t1;
DROP USER test@localhost;
SET GLOBAL read_only= @save_read_only;