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DROP TABLE IF EXISTS table_11733 ;
create user test@localhost;
grant CREATE, SELECT, DROP, INSERT on *.* to test@localhost;
connect con1,localhost,test,,test;
connection default;
set global read_only=0;
create table table_11733 (a int) engine=InnoDb;
connection con1;
BEGIN;
insert into table_11733 values(11733);
connection default;
set global read_only=1;
connection con1;
select @@global.read_only;
@@global.read_only
1
select * from table_11733 ;
a
11733
COMMIT;
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;
drop table table_11733 ;
drop user test@localhost;
disconnect con1;
create user test@localhost;
GRANT CREATE, SELECT, DROP, LOCK TABLES ON *.* TO test@localhost;
connect con1, localhost, test, , test;
connection default;
CREATE TABLE t1(a INT) ENGINE=INNODB;
INSERT INTO t1 VALUES (0), (1);
SET GLOBAL read_only=1;
connection con1;
SELECT * FROM t1;
a
0
1
BEGIN;
SELECT * FROM t1;
a
0
1
COMMIT;
connection default;
SET GLOBAL read_only=0;
FLUSH TABLES WITH READ LOCK;
connection con1;
SELECT * FROM t1;
a
0
1
BEGIN;
SELECT * FROM t1;
a
0
1
COMMIT;
connection default;
UNLOCK TABLES;
connection con1;
lock table t1 read;
connection default;
set global read_only=1;
connection con1;
unlock tables;
connection default;
SET GLOBAL read_only=0;
UNLOCK TABLES;
DROP TABLE t1;
DROP USER test@localhost;
disconnect con1;
# End of 5.1 tests
#
# Bug#33669: Transactional temporary tables do not work under --read-only
#
DROP DATABASE IF EXISTS db1;
# Setup user and tables
CREATE USER bug33669@localhost;
CREATE DATABASE db1;
CREATE TABLE db1.t1 (a INT) ENGINE=INNODB;
CREATE TABLE db1.t2 (a INT) ENGINE=INNODB;
INSERT INTO db1.t1 VALUES (1);
INSERT INTO db1.t2 VALUES (2);
GRANT CREATE TEMPORARY TABLES, DROP, INSERT, DELETE, UPDATE,
SELECT, LOCK TABLES ON db1.* TO bug33669@localhost;
SET GLOBAL READ_ONLY = ON;
connect con1,localhost,bug33669,,db1;
# Create, insert and drop temporary table:
CREATE TEMPORARY TABLE temp (a INT) ENGINE=INNODB;
INSERT INTO temp VALUES (1);
DROP TABLE temp;
# Lock base tables and use temporary table:
CREATE TEMPORARY TABLE temp (a INT) ENGINE=INNODB;
LOCK TABLES t1 READ, t2 READ;
SELECT * FROM t1;
a
1
INSERT INTO temp values (1);
SELECT * FROM t2;
a
2
UNLOCK TABLES;
DROP TABLE temp;
# Transaction
BEGIN;
SELECT * FROM t1;
a
1
CREATE TEMPORARY TABLE temp (a INT) ENGINE=INNODB;
INSERT INTO t1 VALUES (1);
ERROR HY000: The MariaDB server is running with the --read-only option so it cannot execute this statement
INSERT INTO temp VALUES (1);
SELECT * FROM t2;
a
2
ROLLBACK;
SELECT * FROM temp;
a
DROP TABLE temp;
# Lock base table as READ and temporary table as WRITE:
CREATE TEMPORARY TABLE temp (a INT) ENGINE=INNODB;
LOCK TABLES t1 READ, temp WRITE;
SELECT * FROM t1;
a
1
SELECT * FROM temp;
a
INSERT INTO t1 VALUES (1);
ERROR HY000: The MariaDB server is running with the --read-only option so it cannot execute this statement
INSERT INTO temp VALUES (1);
DROP TABLE temp;
UNLOCK TABLES;
# Lock temporary table that shadows a base table:
CREATE TEMPORARY TABLE t1 (a INT) ENGINE=INNODB;
LOCK TABLES t1 WRITE;
DROP TABLE t1;
SELECT * FROM t1;
ERROR HY000: Table 't1' was not locked with LOCK TABLES
# INSERT SELECT from base table into temporary table:
CREATE TEMPORARY TABLE temp1 (a INT) ENGINE=INNODB;
CREATE TEMPORARY TABLE temp2 LIKE temp1;
BEGIN;
INSERT INTO temp1 VALUES (10);
INSERT INTO temp2 VALUES (10);
INSERT INTO temp1 SELECT * FROM t1;
INSERT INTO temp2 SELECT * FROM t2;
SELECT * FROM temp1 ORDER BY a;
a
1
10
SELECT * FROM temp2 ORDER BY a;
a
2
10
ROLLBACK;
SELECT * FROM temp1,temp2;
a a
LOCK TABLES t1 READ, t2 READ;
INSERT INTO temp1 VALUES (10);
INSERT INTO temp2 VALUES (10);
INSERT INTO temp1 SELECT * FROM t1;
INSERT INTO temp2 SELECT * FROM t2;
SELECT * FROM temp1 ORDER BY a;
a
1
10
SELECT * FROM temp2 ORDER BY a;
a
2
10
UNLOCK TABLES;
DELETE temp1, temp2 FROM temp1, temp2;
INSERT INTO temp1 VALUES (10);
INSERT INTO temp2 VALUES (10);
INSERT INTO temp1 SELECT * FROM t1;
INSERT INTO temp2 SELECT * FROM t2;
SELECT * FROM temp1 ORDER BY a;
a
1
10
SELECT * FROM temp2 ORDER BY a;
a
2
10
DROP TABLE temp1, temp2;
# INSERT and INSERT SELECT that uses subqueries:
CREATE TEMPORARY TABLE temp1 (a INT) ENGINE=INNODB;
CREATE TEMPORARY TABLE temp2 LIKE temp1;
INSERT INTO temp1 (a) VALUES ((SELECT MAX(a) FROM t1));
LOCK TABLES t2 READ;
INSERT INTO temp2 (a) VALUES ((SELECT MAX(a) FROM t2));
UNLOCK TABLES;
LOCK TABLES t1 READ, t2 READ;
INSERT INTO temp1 SELECT * FROM t1 WHERE a < (SELECT MAX(a) FROM t2);
INSERT INTO temp2 SELECT * FROM t2 WHERE a > (SELECT MAX(a) FROM t1);
UNLOCK TABLES;
INSERT INTO temp1 SELECT * FROM t1 WHERE a < (SELECT MAX(a) FROM t2);
INSERT INTO temp2 SELECT * FROM t2 WHERE a > (SELECT MAX(a) FROM t1);
SELECT * FROM temp1 ORDER BY a;
a
1
1
1
SELECT * FROM temp2 ORDER BY a;
a
2
2
2
DROP TABLE temp1, temp2;
# Multiple table update:
CREATE TEMPORARY TABLE temp1 (a INT) ENGINE=INNODB;
CREATE TEMPORARY TABLE temp2 LIKE temp1;
INSERT INTO temp1 VALUES (1),(2);
INSERT INTO temp2 VALUES (3),(4);
UPDATE temp1,temp2 SET temp1.a = 5, temp2.a = 10;
SELECT * FROM temp1, temp2;
a a
5 10
5 10
5 10
5 10
DROP TABLE temp1, temp2;
# Disconnect and cleanup
disconnect con1;
connection default;
SET GLOBAL READ_ONLY = OFF;
DROP USER bug33669@localhost;
DROP DATABASE db1;
# End of 5.5 tests
#
# MDEV-33889 Read only server throws error when running a create temporary table as select statement
#
create table t1(a int) engine=innodb;
create user u1@localhost;
grant insert, select, update, delete, create temporary tables on test.* to u1@localhost;
insert into t1 values (1);
set global read_only=1;
connect u1,localhost,u1;
set default_tmp_storage_engine=innodb;
create temporary table tt1 (a int);
create temporary table tt2 like t1;
create temporary table tt3 as select * from t1;
select * from tt3;
a
1
disconnect u1;
connection default;
drop table t1;
drop user u1@localhost;
set global read_only=0;
# End of 10.5 tests
|
