read_only.result 6.33 KB
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set @start_read_only= @@global.read_only;
DROP TABLE IF EXISTS t1,t2,t3;
grant CREATE, SELECT, DROP on *.* to test@localhost;
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 MariaDB server is running with the --read-only option so it cannot execute this statement
insert into t1 values(1);
ERROR HY000: The MariaDB 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 MariaDB 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 MariaDB 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 MariaDB 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 MariaDB 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 MariaDB 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 MariaDB 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`@`%`;
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 MariaDB 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 MariaDB 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 MariaDB server is running with the --read-only option so it cannot execute this statement
UPDATE t1 SET a= 1;
ERROR HY000: The MariaDB server is running with the --read-only option so it cannot execute this statement
DELETE FROM t1;
ERROR HY000: The MariaDB 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 MariaDB 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;