#
# MDEV-12461 TYPE OF and ROW TYPE OF anchored data types
#
#
# Initiation:
# - creating database db1
# - creating user user1 with access rights to db1
#
CREATE DATABASE db1;
CREATE TABLE db1.t1 (a INT, b VARCHAR(10));
CREATE USER user1;
GRANT ALL PRIVILEGES ON test.* TO user1;
connect  conn1,localhost,user1,,test;
SELECT database();
database()
test
SELECT user();
user()
user1@localhost
#
# Making sure that user1 does not have privileges to db1.t1
#
SHOW CREATE TABLE db1.t1;
ERROR 42000: SHOW command denied to user 'user1'@'localhost' for table `db1`.`t1`
SHOW FIELDS IN db1.t1;
ERROR 42000: SELECT command denied to user 'user1'@'localhost' for table `db1`.`t1`
#
# Trigger: using TYPE OF with a table we don't have access to
#
CREATE TABLE test.t1 (a INT, b INT);
INSERT INTO test.t1 (a,b) VALUES (10,20);
SELECT * FROM t1;
a	b
10	20
CREATE TRIGGER test.tr1 BEFORE INSERT ON test.t1 FOR EACH ROW
BEGIN
DECLARE b TYPE OF db1.t1.b DEFAULT 20;
SET NEW.b = 10;
END
$$
INSERT INTO t1 (a) VALUES (10);
ERROR 42000: SELECT command denied to user 'user1'@'localhost' for table `db1`.`t1`
SELECT * FROM t1;
a	b
10	20
DROP TRIGGER tr1;
DROP TABLE t1;
#
# Stored procedure: Using TYPE OF for with a table that we don't have access to
# DEFINER user1, SQL SECURITY DEFAULT
#
CREATE PROCEDURE p1()
BEGIN
DECLARE a TYPE OF db1.t1.a DEFAULT 10;
SELECT a;
END;
$$
CALL p1;
ERROR 42000: SELECT command denied to user 'user1'@'localhost' for table `db1`.`t1`
DROP PROCEDURE p1;
#
# Stored procedure: Using TYPE OF for with a table that we don't have access to
# DEFINER root, SQL SECURITY INVOKER
#
connection default;
CREATE PROCEDURE p1()
SQL SECURITY INVOKER
BEGIN
DECLARE a TYPE OF db1.t1.a DEFAULT 10;
SELECT a;
END;
$$
connection conn1;
CALL p1;
ERROR 42000: SELECT command denied to user 'user1'@'localhost' for table `db1`.`t1`
DROP PROCEDURE p1;
connection default;
CREATE PROCEDURE p1()
SQL SECURITY INVOKER
BEGIN
DECLARE a ROW TYPE OF db1.t1;
SELECT a.a;
END;
$$
connection conn1;
CALL p1;
ERROR 42000: SELECT command denied to user 'user1'@'localhost' for table `db1`.`t1`
DROP PROCEDURE p1;
#
# Stored procedure: Using TYPE OF for with a table that we don't have access to
# DEFINER root, SQL SECURITY DEFINER
#
connection default;
CREATE PROCEDURE p1()
SQL SECURITY DEFINER
BEGIN
DECLARE a TYPE OF db1.t1.a DEFAULT 10;
SELECT a;
END;
$$
connection conn1;
CALL p1;
a
10
DROP PROCEDURE p1;
connection default;
CREATE PROCEDURE p1()
SQL SECURITY DEFINER
BEGIN
DECLARE a ROW TYPE OF db1.t1;
SET a.a= 10;
SELECT a.a;
END;
$$
connection conn1;
CALL p1;
a.a
10
DROP PROCEDURE p1;
#
# Stored function: Using TYPE OF for with a table that we don't have access to
# DEFINER user1, SQL SECURITY DEFAULT
#
CREATE TABLE t1 (a INT);
CREATE FUNCTION f1() RETURNS INT
BEGIN
DECLARE a TYPE OF db1.t1.a DEFAULT 0;
RETURN OCTET_LENGTH(a);
END;
$$
SELECT f1();
ERROR 42000: SELECT command denied to user 'user1'@'localhost' for table `db1`.`t1`
DROP FUNCTION f1;
DROP TABLE t1;
#
# Stored function: Using TYPE OF for with a table that we don't have access to
# DEFINER root, SQL SECURITY INVOKER
#
connection default;
CREATE TABLE t1 (a INT);
CREATE FUNCTION f1() RETURNS INT
SQL SECURITY INVOKER
BEGIN
DECLARE a TYPE OF db1.t1.a DEFAULT 0;
RETURN OCTET_LENGTH(a);
END;
$$
connection conn1;
SELECT f1();
ERROR 42000: SELECT command denied to user 'user1'@'localhost' for table `db1`.`t1`
DROP FUNCTION f1;
DROP TABLE t1;
#
# Stored function: Using TYPE OF for with a table that we don't have access to
# DEFINER root, SQL SECURITY DEFINER
#
connection default;
CREATE TABLE t1 (a INT);
CREATE FUNCTION f1() RETURNS INT
SQL SECURITY DEFINER
BEGIN
DECLARE a TYPE OF db1.t1.a DEFAULT 0;
RETURN OCTET_LENGTH(a);
END;
$$
connection conn1;
SELECT f1();
f1()
1
DROP FUNCTION f1;
DROP TABLE t1;
connection default;
GRANT SELECT (a) ON db1.t1 TO user1;
connection conn1;
#
# Making sure that user1 has access to db1.t1.a, but not to db1.t1.b
#
SHOW CREATE TABLE db1.t1;
ERROR 42000: SHOW command denied to user 'user1'@'localhost' for table `db1`.`t1`
SHOW FIELDS IN db1.t1;
Field	Type	Null	Key	Default	Extra
a	int(11)	YES		NULL	
#
# Trigger: Per-column privileges
#
CREATE TABLE test.t1 (a INT, b INT);
INSERT INTO test.t1 (a,b) VALUES (10,20);
SELECT * FROM t1;
a	b
10	20
CREATE TRIGGER test.tr1 BEFORE INSERT ON test.t1 FOR EACH ROW
BEGIN
DECLARE a TYPE OF db1.t1.a DEFAULT 20;
BEGIN
SET NEW.b := 10;
END;
END
$$
INSERT INTO t1 (a) VALUES (10);
SELECT * FROM t1;
a	b
10	20
10	10
DROP TRIGGER tr1;
CREATE TRIGGER test.tr1 BEFORE INSERT ON test.t1 FOR EACH ROW
BEGIN
DECLARE b TYPE OF db1.t1.b DEFAULT 20;
BEGIN
SET NEW.b = 10;
END;
END
$$
INSERT INTO t1 (a) VALUES (10);
ERROR 42000: SELECT command denied to user 'user1'@'localhost' for column 'b' in table 't1'
SELECT * FROM t1;
a	b
10	20
10	10
DROP TRIGGER tr1;
DROP TABLE t1;
#
# Stored procedure: Per-column privileges
# DEFINER user1, SQL SECURITY DEFAULT
#
CREATE PROCEDURE p1()
BEGIN
DECLARE a TYPE OF db1.t1.a DEFAULT 10;
SELECT a;
END;
$$
CALL p1;
a
10
DROP PROCEDURE p1;
CREATE PROCEDURE p1()
BEGIN
DECLARE b TYPE OF db1.t1.b DEFAULT 10;
SELECT b;
END;
$$
CALL p1;
ERROR 42000: SELECT command denied to user 'user1'@'localhost' for column 'b' in table 't1'
DROP PROCEDURE p1;
CREATE PROCEDURE p1()
BEGIN
DECLARE b ROW TYPE OF db1.t1;
SET b.b=10;
SELECT b.b;
END;
$$
CALL p1;
ERROR 42000: SELECT command denied to user 'user1'@'localhost' for column 'b' in table 't1'
DROP PROCEDURE p1;
#
# Clean up
#
disconnect conn1;
connection default;
DROP USER user1;
DROP DATABASE db1;
#
# End of MDEV-12461 TYPE OF and ROW TYPE OF anchored data types
#