mariadb/mysql-test/main/read_only_innodb.test

# should work with embedded server after mysqltest is fixed
-- source include/not_embedded.inc
-- source include/have_innodb.inc

#
# BUG#11733: COMMITs should not happen if read-only is set
#

--disable_warnings
DROP TABLE IF EXISTS table_11733 ;
--enable_warnings

# READ_ONLY does nothing to SUPER users
# so we use a non-SUPER one:

create user test@localhost;
grant CREATE, SELECT, DROP on *.* to test@localhost;

connect (con1,localhost,test,,test);

connection default;
set global read_only=0;

# Any transactional engine will do
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;
select * from table_11733 ;
--error ER_OPTION_PREVENTS_STATEMENT
COMMIT;

connection default;
set global read_only=0;
drop table table_11733 ;
drop user test@localhost;

disconnect con1;

#
# Bug #35732: read-only blocks SELECT statements in InnoDB
#
# Test 1: read only mode
create user test@localhost;
GRANT CREATE, SELECT, DROP 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;
BEGIN;
SELECT * FROM t1;
COMMIT;

connection default;
SET GLOBAL read_only=0;

#
# Test 2: global read lock
#
FLUSH TABLES WITH READ LOCK;

connection con1;
SELECT * FROM t1;
BEGIN;
SELECT * FROM t1;
COMMIT;

#
# Tests that LOCK TABLE doesn't block the SET READ_ONLY=1 for the InnoDB tables
#

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;

--echo echo End of 5.1 tests 

--echo #
--echo # Bug#33669: Transactional temporary tables do not work under --read-only
--echo #

--disable_warnings
DROP DATABASE IF EXISTS db1;
--enable_warnings

--echo # 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);

--echo
--echo # Create, insert and drop temporary table:
--echo
CREATE TEMPORARY TABLE temp (a INT) ENGINE=INNODB;
INSERT INTO temp VALUES (1);
DROP TABLE temp;

--echo
--echo # Lock base tables and use temporary table:
--echo
CREATE TEMPORARY TABLE temp (a INT) ENGINE=INNODB;
LOCK TABLES t1 READ, t2 READ;
SELECT * FROM t1;
INSERT INTO temp values (1);
SELECT * FROM t2;
UNLOCK TABLES;
DROP TABLE temp;

--echo
--echo # Transaction
--echo
BEGIN;
SELECT * FROM t1;
CREATE TEMPORARY TABLE temp (a INT) ENGINE=INNODB;
--error ER_OPTION_PREVENTS_STATEMENT
INSERT INTO t1 VALUES (1);
INSERT INTO temp VALUES (1);
SELECT * FROM t2;
ROLLBACK;
SELECT * FROM temp;
DROP TABLE temp;

--echo
--echo # Lock base table as READ and temporary table as WRITE:
--echo
CREATE TEMPORARY TABLE temp (a INT) ENGINE=INNODB;
LOCK TABLES t1 READ, temp WRITE;
SELECT * FROM t1;
SELECT * FROM temp;
--error ER_OPTION_PREVENTS_STATEMENT
INSERT INTO t1 VALUES (1);
INSERT INTO temp VALUES (1);
DROP TABLE temp;
UNLOCK TABLES;

--echo
--echo # Lock temporary table that shadows a base table:
--echo
CREATE TEMPORARY TABLE t1 (a INT) ENGINE=INNODB;
LOCK TABLES t1 WRITE;
DROP TABLE t1;
--error ER_TABLE_NOT_LOCKED
SELECT * FROM t1;

--echo
--echo # INSERT SELECT from base table into temporary table:
--echo

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;
SELECT * FROM temp2 ORDER BY a;
ROLLBACK;
SELECT * FROM temp1,temp2;
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;
SELECT * FROM temp2 ORDER BY a;
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;
SELECT * FROM temp2 ORDER BY a;
DROP TABLE temp1, temp2;

--echo
--echo # 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;
SELECT * FROM temp2 ORDER BY a;
DROP TABLE temp1, temp2;

--echo
--echo # Multiple table update:
--echo

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;
DROP TABLE temp1, temp2;

--echo
--echo # Disconnect and cleanup
--echo
disconnect con1;
connection default;
SET GLOBAL READ_ONLY = OFF;
DROP USER bug33669@localhost;
DROP DATABASE db1;