# Can't test with embedded server
-- source include/not_embedded.inc

# Save the initial number of concurrent sessions
--source include/count_sessions.inc

--disable_warnings
drop database if exists mysqltest;
drop view if exists v1,v2,v3;
--enable_warnings


# simple test of grants
create user test@localhost;
grant create view on test.* to test@localhost;
show grants for test@localhost;
revoke create view on test.* from test@localhost;
show grants for test@localhost;
# The grant above creates a new user test@localhost, delete it
drop user test@localhost;

# grant create view test
#
connect (root,localhost,root,,test);
connection root;
--disable_warnings
create database mysqltest;
--enable_warnings

create table mysqltest.t1 (a int, b int);
create table mysqltest.t2 (a int, b int);

create user mysqltest_1@localhost;
grant select on mysqltest.t1 to mysqltest_1@localhost;
grant create view,select on test.* to mysqltest_1@localhost;

connect (user1,localhost,mysqltest_1,,test);
connection user1;

--error ER_SPECIFIC_ACCESS_DENIED_ERROR
create definer=root@localhost view v1 as select * from mysqltest.t1;
create view v1 as select * from mysqltest.t1;
# try to modify view without DROP privilege on it
--error ER_TABLEACCESS_DENIED_ERROR
alter view v1 as select * from mysqltest.t1;
--error ER_TABLEACCESS_DENIED_ERROR
create or replace view v1 as select * from mysqltest.t1;
# no CRETE VIEW privilege
--error ER_TABLEACCESS_DENIED_ERROR
create view mysqltest.v2  as select * from mysqltest.t1;
# no SELECT privilege
--error ER_TABLEACCESS_DENIED_ERROR
create view v2 as select * from mysqltest.t2;

connection root;
# check view definer information
show create view v1;

grant create view,drop,select on test.* to mysqltest_1@localhost;

connection user1;
# following 'use' command is workaround of Bug#9582 and should be removed
# when that bug will be fixed
use test;
alter view v1 as select * from mysqltest.t1;
create or replace view v1 as select * from mysqltest.t1;

connection root;
revoke all privileges on mysqltest.t1 from mysqltest_1@localhost;
revoke all privileges on test.* from mysqltest_1@localhost;

drop database mysqltest;
drop view test.v1;

#
# grants per columns
#
# MERGE algorithm
--disable_warnings
create database mysqltest;
--enable_warnings

create table mysqltest.t1 (a int, b int);
create view mysqltest.v1 (c,d) as select a+1,b+1 from mysqltest.t1;
grant select (c) on mysqltest.v1 to mysqltest_1@localhost;

connection user1;
select c from mysqltest.v1;
# there are no privileges on column 'd'
--error ER_COLUMNACCESS_DENIED_ERROR
select d from mysqltest.v1;

connection root;
revoke all privileges on mysqltest.v1 from mysqltest_1@localhost;
drop user mysqltest_1@localhost;
drop database mysqltest;

# TEMPORARY TABLE algorithm
--disable_warnings
create database mysqltest;
--enable_warnings

create table mysqltest.t1 (a int, b int);
create algorithm=temptable view mysqltest.v1 (c,d) as select a+1,b+1 from mysqltest.t1;
create user mysqltest_1@localhost;
grant select (c) on mysqltest.v1 to mysqltest_1@localhost;

connection user1;
select c from mysqltest.v1;
# there are no privileges on column 'd'
--error ER_COLUMNACCESS_DENIED_ERROR
select d from mysqltest.v1;

connection root;
revoke all privileges on mysqltest.v1 from mysqltest_1@localhost;
drop user mysqltest_1@localhost;
drop database mysqltest;

#
# EXPLAIN rights
#
connection root;
--disable_warnings
create database mysqltest;
--enable_warnings
# prepare views and tables
create table mysqltest.t1 (a int, b int);
create table mysqltest.t2 (a int, b int);
create view mysqltest.v1 (c,d) as select a+1,b+1 from mysqltest.t1;
create algorithm=temptable view mysqltest.v2 (c,d) as select a+1,b+1 from mysqltest.t1;
create view mysqltest.v3 (c,d) as select a+1,b+1 from mysqltest.t2;
create algorithm=temptable view mysqltest.v4 (c,d) as select a+1,b+1 from mysqltest.t2;
# v5: SHOW VIEW, but no SELECT
create view mysqltest.v5 (c,d) as select a+1,b+1 from mysqltest.t1;
create user mysqltest_1@localhost;
grant select on mysqltest.v1 to mysqltest_1@localhost;
grant select on mysqltest.v2 to mysqltest_1@localhost;
grant select on mysqltest.v3 to mysqltest_1@localhost;
grant select on mysqltest.v4 to mysqltest_1@localhost;
grant show view on mysqltest.v5 to mysqltest_1@localhost;

connection user1;
# all SELECTs works, except v5 which lacks SELECT privs
select c from mysqltest.v1;
select c from mysqltest.v2;
select c from mysqltest.v3;
select c from mysqltest.v4;
--error ER_TABLEACCESS_DENIED_ERROR
select c from mysqltest.v5;
# test of show coluns
show columns from mysqltest.v1;
show columns from mysqltest.v2;
# explain/show fail
--error ER_VIEW_NO_EXPLAIN
explain select c from mysqltest.v1;
--error ER_TABLEACCESS_DENIED_ERROR
show create view mysqltest.v1;
--error ER_VIEW_NO_EXPLAIN
explain select c from mysqltest.v2;
--error ER_TABLEACCESS_DENIED_ERROR
show create view mysqltest.v2;
--error ER_VIEW_NO_EXPLAIN
explain select c from mysqltest.v3;
--error ER_TABLEACCESS_DENIED_ERROR
show create view mysqltest.v3;
--error ER_VIEW_NO_EXPLAIN
explain select c from mysqltest.v4;
--error ER_TABLEACCESS_DENIED_ERROR
show create view mysqltest.v4;
--error ER_TABLEACCESS_DENIED_ERROR
explain select c from mysqltest.v5;
# new in 5.5: SHOW CREATE VIEW needs SELECT now (MySQL Bug#27145)
--error ER_TABLEACCESS_DENIED_ERROR
show create view mysqltest.v5;
connection root;
grant select on mysqltest.v5 to mysqltest_1@localhost;
connection user1;
show create view mysqltest.v5;

# missing SELECT on underlying t1, no SHOW VIEW on v1 either.
--error ER_VIEW_NO_EXPLAIN
explain select c from mysqltest.v1;
# missing SHOW VIEW
--error ER_TABLEACCESS_DENIED_ERROR
show create view mysqltest.v1;
# allow to see one of underlying table
connection root;
grant show view on mysqltest.v1 to mysqltest_1@localhost;
grant select on mysqltest.t1 to mysqltest_1@localhost;
revoke select on mysqltest.v5 from mysqltest_1@localhost;
connection user1;
# EXPLAIN works
explain select c from mysqltest.v1;
show create view mysqltest.v1;
# missing SHOW VIEW
--error ER_VIEW_NO_EXPLAIN
explain select c from mysqltest.v2;
--error ER_TABLEACCESS_DENIED_ERROR
show create view mysqltest.v2;
# but other EXPLAINs do not
--error ER_VIEW_NO_EXPLAIN
explain select c from mysqltest.v3;
--error ER_TABLEACCESS_DENIED_ERROR
show create view mysqltest.v3;
--error ER_VIEW_NO_EXPLAIN
explain select c from mysqltest.v4;
--error ER_TABLEACCESS_DENIED_ERROR
show create view mysqltest.v4;
# we have SHOW VIEW on v5, and  SELECT on t1 -- not enough
--error ER_TABLEACCESS_DENIED_ERROR
explain select c from mysqltest.v5;

# allow to see any view in mysqltest database
connection root;
grant show view on mysqltest.* to mysqltest_1@localhost;
connection user1;
explain select c from mysqltest.v1;
show create view mysqltest.v1;
explain select c from mysqltest.v2;
show create view mysqltest.v2;
# have SHOW VIEW | SELECT on v3, but no SELECT on t2
--error ER_VIEW_NO_EXPLAIN
explain select c from mysqltest.v3;
show create view mysqltest.v3;
# have SHOW VIEW | SELECT on v4, but no SELECT on t2
--error ER_VIEW_NO_EXPLAIN
explain select c from mysqltest.v4;
show create view mysqltest.v4;

connection root;
revoke all privileges on mysqltest.* from mysqltest_1@localhost;
drop user mysqltest_1@localhost;
drop database mysqltest;

#
# UPDATE privileges on VIEW columns and whole VIEW
#
connection root;
--disable_warnings
create database mysqltest;
--enable_warnings

create table mysqltest.t1 (a int, b int, primary key(a));
insert into mysqltest.t1 values (10,2), (20,3), (30,4), (40,5), (50,10);
create table mysqltest.t2 (x int);
insert into mysqltest.t2 values (3), (4), (5), (6);
create table mysqltest.t3 (x int);
insert into mysqltest.t3 values (3), (4), (5), (6);
create view mysqltest.v1 (a,c) as select a, b+1 from mysqltest.t1;
create view mysqltest.v2 (a,c) as select a, b from mysqltest.t1;
create view mysqltest.v3 (a,c) as select a, b+1 from mysqltest.t1;

create user mysqltest_1@localhost;
grant update (a) on mysqltest.v2 to mysqltest_1@localhost;
grant update on mysqltest.v1 to mysqltest_1@localhost;
grant update on mysqltest.t3 to mysqltest_1@localhost;
grant select on mysqltest.* to mysqltest_1@localhost;

connection user1;
use mysqltest;
# update with rights on VIEW column
update t2,v1 set v1.a=v1.a+v1.c where t2.x=v1.c;
select * from t1;
update v1 set a=a+c;
select * from t1;
# update with rights on whole VIEW
update t2,v2 set v2.a=v2.a+v2.c where t2.x=v2.c;
select * from t1;
update v2 set a=a+c;
select * from t1;
# update a table, select only on view
update t3,v3 set t3.x=t3.x+v3.c where t3.x=v3.c;
# no rights on column
--error ER_COLUMNACCESS_DENIED_ERROR
update t2,v2 set v2.c=v2.a+v2.c where t2.x=v2.c;
--error ER_COLUMNACCESS_DENIED_ERROR
update v2 set c=a+c;
# no rights for view
--error ER_TABLEACCESS_DENIED_ERROR
update t2,v3 set v3.a=v3.a+v3.c where t2.x=v3.c;
--error ER_TABLEACCESS_DENIED_ERROR
update v3 set a=a+c;

use test;
connection root;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop user mysqltest_1@localhost;
drop database mysqltest;

#
# DELETE privileges on VIEW
#
connection root;
--disable_warnings
create database mysqltest;
--enable_warnings

create table mysqltest.t1 (a int, b int, primary key(a));
insert into mysqltest.t1 values (1,2), (2,3), (3,4), (4,5), (5,10);
create table mysqltest.t2 (x int);
insert into mysqltest.t2 values (3), (4), (5), (6);
create view mysqltest.v1 (a,c) as select a, b+1 from mysqltest.t1;
create view mysqltest.v2 (a,c) as select a, b+1 from mysqltest.t1;

create user mysqltest_1@localhost;
grant delete on mysqltest.v1 to mysqltest_1@localhost;
grant select on mysqltest.* to mysqltest_1@localhost;

connection user1;
use mysqltest;
# update with rights on VIEW column
delete from v1 where c < 4;
select * from t1;
delete v1 from t2,v1 where t2.x=v1.c;
select * from t1;
# no rights for view
--error ER_TABLEACCESS_DENIED_ERROR
delete v2 from t2,v2 where t2.x=v2.c;
--error ER_TABLEACCESS_DENIED_ERROR
delete from v2 where c < 4;

use test;
connection root;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop user mysqltest_1@localhost;
drop database mysqltest;

#
# insert privileges on VIEW
#
connection root;
--disable_warnings
create database mysqltest;
--enable_warnings

create table mysqltest.t1 (a int, b int, primary key(a));
insert into mysqltest.t1 values (1,2), (2,3);
create table mysqltest.t2 (x int, y int);
insert into mysqltest.t2 values (3,4);
create view mysqltest.v1 (a,c) as select a, b from mysqltest.t1;
create view mysqltest.v2 (a,c) as select a, b from mysqltest.t1;

create user mysqltest_1@localhost;
grant insert on mysqltest.v1 to mysqltest_1@localhost;
grant select on mysqltest.* to mysqltest_1@localhost;

connection user1;
use mysqltest;
# update with rights on VIEW column
insert into v1 values (5,6);
select * from t1;
insert into v1 select x,y from t2;
select * from t1;
# no rights for view
--error ER_TABLEACCESS_DENIED_ERROR
insert into v2 values (5,6);
--error ER_TABLEACCESS_DENIED_ERROR
insert into v2 select x,y from t2;

use test;
connection root;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop user mysqltest_1@localhost;
drop database mysqltest;

#
# test of CREATE VIEW privileges if we have limited privileges
#
connection root;
--disable_warnings
create database mysqltest;
--enable_warnings

create table mysqltest.t1 (a int, b int);
create table mysqltest.t2 (a int, b int);

create user mysqltest_1@localhost;
grant update on mysqltest.t1 to mysqltest_1@localhost;
grant update(b) on mysqltest.t2 to mysqltest_1@localhost;
grant create view,update on test.* to mysqltest_1@localhost;

connection user1;

create view v1 as select * from mysqltest.t1;
create view v2 as select b from mysqltest.t2;
# There are not rights on mysqltest.v1
--error ER_TABLEACCESS_DENIED_ERROR
create view mysqltest.v1 as select * from mysqltest.t1;
# There are not any rights on mysqltest.t2.a
--error ER_COLUMNACCESS_DENIED_ERROR
create view v3 as select a from mysqltest.t2;

# give CREATE VIEW privileges (without any privileges for result column)
connection root;
create table mysqltest.v3 (b int);
grant create view on mysqltest.v3 to mysqltest_1@localhost;
drop table mysqltest.v3;
connection user1;
create view mysqltest.v3 as select b from mysqltest.t2;

# give UPDATE privileges
connection root;
grant create view, update on mysqltest.v3 to mysqltest_1@localhost;
drop view mysqltest.v3;
connection user1;
create view mysqltest.v3 as select b from mysqltest.t2;


# Expression need select privileges
--error ER_COLUMNACCESS_DENIED_ERROR
create view v4 as select b+1 from mysqltest.t2;

connection root;
grant create view,update,select on test.* to mysqltest_1@localhost;
connection user1;
--error ER_COLUMNACCESS_DENIED_ERROR
create view v4 as select b+1 from mysqltest.t2;

connection root;
grant update,select(b) on mysqltest.t2 to mysqltest_1@localhost;
connection user1;
create view v4 as select b+1 from mysqltest.t2;

connection root;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop user mysqltest_1@localhost;
drop database mysqltest;
drop view v1,v2,v4;

#
# user with global DB privileges
#
connection root;
--disable_warnings
create database mysqltest;
--enable_warnings
create table mysqltest.t1 (a int);
create user mysqltest_1@localhost;
grant all privileges on mysqltest.* to mysqltest_1@localhost;

connection user1;
use mysqltest;
create view v1 as select * from t1;
use test;

connection root;
revoke all privileges on mysqltest.* from mysqltest_1@localhost;
drop user mysqltest_1@localhost;
drop database mysqltest;

#
# view definer grants revoking
#
connection root;
--disable_warnings
create database mysqltest;
--enable_warnings

create table mysqltest.t1 (a int, b int);

create user mysqltest_1@localhost;
grant select on mysqltest.t1 to mysqltest_1@localhost;
grant create view,select on test.* to mysqltest_1@localhost;

connection user1;

create view v1 as select * from mysqltest.t1;

connection root;
# check view definer information
show create view v1;
revoke select on mysqltest.t1 from mysqltest_1@localhost;
--error ER_VIEW_INVALID
select * from v1;
grant select on mysqltest.t1 to mysqltest_1@localhost;
select * from v1;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop user mysqltest_1@localhost;
drop view v1;
drop database mysqltest;

#
# rights on execution of view underlying functiond (Bug#9505)
#
connection root;
--disable_warnings
create database mysqltest;
--enable_warnings

use mysqltest;
create table t1 (a int);
insert into t1 values (1);
create table t2 (s1 int);
--disable_warnings
drop function if exists f2;
--enable_warnings
delimiter //;
create function f2 () returns int begin declare v int; select s1 from t2
into v; return v; end//
delimiter ;//
create algorithm=TEMPTABLE view v1 as select f2() from t1;
create algorithm=MERGE view v2 as select f2() from t1;
create algorithm=TEMPTABLE SQL SECURITY INVOKER view v3 as select f2() from t1;
create algorithm=MERGE SQL SECURITY INVOKER view v4 as select f2() from t1;
create SQL SECURITY INVOKER view v5 as select * from v4;
create user mysqltest_1@localhost;
grant select on v1 to mysqltest_1@localhost;
grant select on v2 to mysqltest_1@localhost;
grant select on v3 to mysqltest_1@localhost;
grant select on v4 to mysqltest_1@localhost;
grant select on v5 to mysqltest_1@localhost;

connection user1;
use mysqltest;
select * from v1;
select * from v2;
--error ER_VIEW_INVALID
select * from v3;
--error ER_VIEW_INVALID
select * from v4;
--error ER_VIEW_INVALID
select * from v5;
use test;

connection root;
drop view v1, v2, v3, v4, v5;
drop function f2;
drop table t1, t2;
use test;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop user mysqltest_1@localhost;
drop database mysqltest;

#
# revertion of previous test, definer of view lost his/her rights to execute
# function
#

connection root;
--disable_warnings
create database mysqltest;
--enable_warnings

use mysqltest;
create table t1 (a int);
insert into t1 values (1);
create table t2 (s1 int);
--disable_warnings
drop function if exists f2;
--enable_warnings
delimiter //;
create function f2 () returns int begin declare v int; select s1 from t2
into v; return v; end//
delimiter ;//
create user mysqltest_1@localhost;
grant select on t1 to mysqltest_1@localhost;
grant execute on function f2 to mysqltest_1@localhost;
grant create view on mysqltest.* to mysqltest_1@localhost;

connection user1;
use mysqltest;
create algorithm=TEMPTABLE view v1 as select f2() from t1;
create algorithm=MERGE view v2 as select f2() from t1;
create algorithm=TEMPTABLE SQL SECURITY INVOKER view v3 as select f2() from t1;
create algorithm=MERGE SQL SECURITY INVOKER view v4 as select f2() from t1;
use test;

connection root;
create view v5 as select * from v1;
revoke execute on function f2 from mysqltest_1@localhost;
--error ER_VIEW_INVALID
select * from v1;
--error ER_VIEW_INVALID
select * from v2;
select * from v3;
select * from v4;
--error ER_VIEW_INVALID
select * from v5;

drop view v1, v2, v3, v4, v5;
drop function f2;
drop table t1, t2;
use test;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop user mysqltest_1@localhost;
drop database mysqltest;

#
# definer/invoker rights for columns
#
connection root;
--disable_warnings
create database mysqltest;
--enable_warnings

use mysqltest;
create table t1 (a int);
create table v1 (a int);
insert into t1 values (1);
create user mysqltest_1@localhost;
grant select on t1 to mysqltest_1@localhost;
grant select on v1 to mysqltest_1@localhost;
grant create view on mysqltest.* to mysqltest_1@localhost;
drop table v1;

connection user1;
use mysqltest;
create algorithm=TEMPTABLE view v1 as select *, a as b from t1;
create algorithm=MERGE view v2 as select *, a as b from t1;
create algorithm=TEMPTABLE SQL SECURITY INVOKER view v3 as select *, a as b from t1;
create algorithm=MERGE SQL SECURITY INVOKER view v4 as select *, a as b from t1;
create view v5 as select * from v1;
use test;

connection root;
revoke select on t1 from mysqltest_1@localhost;
--error ER_VIEW_INVALID
select * from v1;
--error ER_VIEW_INVALID
select * from v2;
select * from v3;
select * from v4;
--error ER_VIEW_INVALID
select * from v5;

#drop view v1, v2, v3, v4, v5;
drop table t1;
use test;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop user mysqltest_1@localhost;
drop database mysqltest;


connection root;
--disable_warnings
create database mysqltest;
--enable_warnings

use mysqltest;
create table t1 (a int);
insert into t1 values (1);
create algorithm=TEMPTABLE view v1 as select *, a as b from t1;
create algorithm=MERGE view v2 as select *, a as b from t1;
create algorithm=TEMPTABLE SQL SECURITY INVOKER view v3 as select *, a as b from t1;
create algorithm=MERGE SQL SECURITY INVOKER view v4 as select *, a as b from t1;
create SQL SECURITY INVOKER view v5 as select * from v4;
create user mysqltest_1@localhost;
grant select on v1 to mysqltest_1@localhost;
grant select on v2 to mysqltest_1@localhost;
grant select on v3 to mysqltest_1@localhost;
grant select on v4 to mysqltest_1@localhost;
grant select on v5 to mysqltest_1@localhost;

connection user1;
use mysqltest;
select * from v1;
select * from v2;
--error ER_VIEW_INVALID
select * from v3;
--error ER_VIEW_INVALID
select * from v4;
--error ER_VIEW_INVALID
select * from v5;
use test;

connection root;
drop view v1, v2, v3, v4, v5;
drop table t1;
use test;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop user mysqltest_1@localhost;
drop database mysqltest;

#
# Bug#14256 definer in view definition is not fully qualified
#
--disable_warnings
drop view if exists v1;
drop table if exists t1;
--enable_warnings

# Backup anonymous users and remove them. (They get in the way of
# the one we test with here otherwise.)
create table t1 as select * from mysql.user where user='';
delete from mysql.user where user='';
flush privileges;

# Create the test user
create user 'test14256'@'%';
grant all on test.* to 'test14256'@'%';

connect (test14256,localhost,test14256,,test);
connection test14256;
use test;

create view v1 as select 42;
show create view v1;

select definer into @v1def1 from information_schema.views
  where table_schema = 'test' and table_name='v1';
drop view v1;

create definer=`test14256`@`%` view v1 as select 42;
show create view v1;

select definer into @v1def2 from information_schema.views
  where table_schema = 'test' and table_name='v1';
drop view v1;

select @v1def1, @v1def2, @v1def1=@v1def2;

connection root;
disconnect test14256;
drop user test14256;

# Restore the anonymous users.
insert into mysql.user select * from t1;
flush privileges;

drop table t1;

#
# Bug#14726 freeing stack variable in case of an error of opening a view when
#           we have locked tables with LOCK TABLES statement.
#
connection root;
--disable_warnings
create database mysqltest;
--enable_warnings

use mysqltest;
CREATE TABLE t1 (i INT);
CREATE VIEW  v1 AS SELECT * FROM t1;
SHOW CREATE VIEW v1;
create user mysqltest_1@localhost;
GRANT SELECT, LOCK TABLES ON mysqltest.* TO mysqltest_1@localhost;

connection user1;

use mysqltest;
LOCK TABLES v1 READ;
--error ER_TABLEACCESS_DENIED_ERROR
SHOW CREATE TABLE v1;
UNLOCK TABLES;
use test;

connection root;
use test;
drop user mysqltest_1@localhost;
drop database mysqltest;

#
# switch to default connection
#
disconnect user1;
disconnect root;
connection default;

#
# DEFINER information check
#
create definer=some_user@`` sql security invoker view v1 as select 1;
create definer=some_user@localhost sql security invoker view v2 as select 1;
show create view v1;
show create view v2;
drop view v1;
drop view v2;

#
# Bug#18681 View privileges are broken
#
CREATE DATABASE mysqltest1;
CREATE USER readonly@localhost;
CREATE TABLE mysqltest1.t1 (x INT);
INSERT INTO mysqltest1.t1 VALUES (1), (2);
CREATE SQL SECURITY INVOKER VIEW mysqltest1.v_t1 AS SELECT * FROM mysqltest1.t1;
CREATE SQL SECURITY DEFINER VIEW mysqltest1.v_ts AS SELECT * FROM mysqltest1.t1;
CREATE SQL SECURITY DEFINER VIEW mysqltest1.v_ti AS SELECT * FROM mysqltest1.t1;
CREATE SQL SECURITY DEFINER VIEW mysqltest1.v_tu AS SELECT * FROM mysqltest1.t1;
CREATE SQL SECURITY DEFINER VIEW mysqltest1.v_tus AS SELECT * FROM mysqltest1.t1;
CREATE SQL SECURITY DEFINER VIEW mysqltest1.v_td AS SELECT * FROM mysqltest1.t1;
CREATE SQL SECURITY DEFINER VIEW mysqltest1.v_tds AS SELECT * FROM mysqltest1.t1;
GRANT SELECT, INSERT, UPDATE, DELETE ON mysqltest1.v_t1 TO readonly@localhost;
GRANT SELECT ON mysqltest1.v_ts TO readonly@localhost;
GRANT INSERT ON mysqltest1.v_ti TO readonly@localhost;
GRANT UPDATE ON mysqltest1.v_tu TO readonly@localhost;
GRANT UPDATE,SELECT ON mysqltest1.v_tus TO readonly@localhost;
GRANT DELETE ON mysqltest1.v_td TO readonly@localhost;
GRANT DELETE,SELECT ON mysqltest1.v_tds TO readonly@localhost;

connect (n1,localhost,readonly,,);
connection n1;

--error ER_VIEW_INVALID
SELECT * FROM mysqltest1.v_t1;
--error ER_VIEW_INVALID
INSERT INTO mysqltest1.v_t1 VALUES(4);
--error ER_VIEW_INVALID
DELETE FROM mysqltest1.v_t1 WHERE x = 1;
--error ER_VIEW_INVALID
UPDATE mysqltest1.v_t1 SET x = 3 WHERE x = 2;
--error ER_VIEW_INVALID
UPDATE mysqltest1.v_t1 SET x = 3;
--error ER_VIEW_INVALID
DELETE FROM mysqltest1.v_t1;
--error ER_VIEW_INVALID
SELECT 1 FROM mysqltest1.v_t1;
--error ER_TABLEACCESS_DENIED_ERROR
SELECT * FROM mysqltest1.t1;

SELECT * FROM mysqltest1.v_ts;
--error ER_TABLEACCESS_DENIED_ERROR
SELECT * FROM mysqltest1.v_ts, mysqltest1.t1 WHERE mysqltest1.t1.x = mysqltest1.v_ts.x;
--error ER_TABLEACCESS_DENIED_ERROR
SELECT * FROM mysqltest1.v_ti;

--error ER_TABLEACCESS_DENIED_ERROR
INSERT INTO mysqltest1.v_ts VALUES (100);
INSERT INTO mysqltest1.v_ti VALUES (100);

--error ER_TABLEACCESS_DENIED_ERROR
UPDATE mysqltest1.v_ts SET x= 200 WHERE x = 100;
--error ER_TABLEACCESS_DENIED_ERROR
UPDATE mysqltest1.v_ts SET x= 200;
UPDATE mysqltest1.v_tu SET x= 200 WHERE x = 100;
UPDATE mysqltest1.v_tus SET x= 200 WHERE x = 100;
UPDATE mysqltest1.v_tu SET x= 200;

--error ER_TABLEACCESS_DENIED_ERROR
DELETE FROM mysqltest1.v_ts WHERE x= 200;
--error ER_TABLEACCESS_DENIED_ERROR
DELETE FROM mysqltest1.v_ts;
--error ER_COLUMNACCESS_DENIED_ERROR
DELETE FROM mysqltest1.v_td WHERE x= 200;
DELETE FROM mysqltest1.v_tds WHERE x= 200;
DELETE FROM mysqltest1.v_td;

connection default;
disconnect n1;
DROP VIEW mysqltest1.v_tds;
DROP VIEW mysqltest1.v_td;
DROP VIEW mysqltest1.v_tus;
DROP VIEW mysqltest1.v_tu;
DROP VIEW mysqltest1.v_ti;
DROP VIEW mysqltest1.v_ts;
DROP VIEW mysqltest1.v_t1;
DROP TABLE mysqltest1.t1;
DROP USER readonly@localhost;
DROP DATABASE mysqltest1;

#
# Bug#14875 Bad view DEFINER makes SHOW CREATE VIEW fail
#
CREATE TABLE t1 (a INT PRIMARY KEY);
INSERT INTO t1 VALUES (1), (2), (3);
CREATE DEFINER = 'no-such-user'@localhost VIEW v AS SELECT a from t1;
#--warning ER_VIEW_OTHER_USER
SHOW CREATE VIEW v;
--error ER_NO_SUCH_USER
SELECT * FROM v;
DROP VIEW v;
DROP TABLE t1;
USE test;

#
# Bug#20363 Create view on just created view is now denied
#
eval CREATE USER mysqltest_db1@localhost identified by 'PWD';
eval GRANT ALL ON mysqltest_db1.* TO mysqltest_db1@localhost WITH GRANT OPTION;

# The session with the non root user is needed.
--replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
connect (session1,localhost,mysqltest_db1,PWD,test);

CREATE SCHEMA mysqltest_db1 ;
USE mysqltest_db1 ;

CREATE TABLE t1 (f1 INTEGER);

CREATE VIEW view1 AS
SELECT * FROM t1;
SHOW CREATE VIEW view1;

CREATE VIEW view2 AS
SELECT * FROM view1;
--echo # Here comes a suspicious warning
SHOW CREATE VIEW view2;
--echo # But the view view2 is usable
SELECT * FROM view2;

CREATE VIEW view3 AS
SELECT * FROM view2;

SELECT * from view3;

connection default;
disconnect session1;
DROP VIEW mysqltest_db1.view3;
DROP VIEW mysqltest_db1.view2;
DROP VIEW mysqltest_db1.view1;
DROP TABLE mysqltest_db1.t1;
DROP SCHEMA mysqltest_db1;
DROP USER mysqltest_db1@localhost;
#
# Bug#20482 failure on Create join view with sources views/tables
#           in different schemas
#
--disable_warnings
CREATE DATABASE test1;
CREATE DATABASE test2;
--enable_warnings

CREATE TABLE test1.t0 (a VARCHAR(20));
CREATE TABLE test2.t1 (a VARCHAR(20));
CREATE VIEW  test2.t3 AS SELECT * FROM test1.t0;
CREATE OR REPLACE VIEW test.v1 AS
  SELECT ta.a AS col1, tb.a AS col2 FROM test2.t3 ta, test2.t1 tb;

DROP VIEW test.v1;
DROP VIEW test2.t3;
DROP TABLE test2.t1, test1.t0;
DROP DATABASE test2;
DROP DATABASE test1;


#
# Bug#20570 CURRENT_USER() in a VIEW with SQL SECURITY DEFINER returns
#           invoker name
#
--disable_warnings
DROP VIEW IF EXISTS v1;
DROP VIEW IF EXISTS v2;
DROP VIEW IF EXISTS v3;
DROP FUNCTION IF EXISTS f1;
DROP FUNCTION IF EXISTS f2;
DROP PROCEDURE IF EXISTS p1;
--enable_warnings

CREATE SQL SECURITY DEFINER VIEW v1 AS SELECT CURRENT_USER() AS cu;

CREATE FUNCTION f1() RETURNS VARCHAR(77) SQL SECURITY INVOKER
  RETURN CURRENT_USER();
CREATE SQL SECURITY DEFINER VIEW v2 AS SELECT f1() AS cu;

CREATE PROCEDURE p1(OUT cu VARCHAR(77)) SQL SECURITY INVOKER
  SET cu= CURRENT_USER();
delimiter |;
CREATE FUNCTION f2() RETURNS VARCHAR(77) SQL SECURITY INVOKER
BEGIN
  DECLARE cu VARCHAR(77);
  CALL p1(cu);
  RETURN cu;
END|
delimiter ;|
CREATE SQL SECURITY DEFINER VIEW v3 AS SELECT f2() AS cu;

CREATE USER mysqltest_u1@localhost;
GRANT ALL ON test.* TO mysqltest_u1@localhost;

connect (conn1, localhost, mysqltest_u1,,);

--echo
--echo The following tests should all return 1.
--echo
SELECT CURRENT_USER() = 'mysqltest_u1@localhost';
SELECT f1() = 'mysqltest_u1@localhost';
CALL p1(@cu);
SELECT @cu = 'mysqltest_u1@localhost';
SELECT f2() = 'mysqltest_u1@localhost';
SELECT cu = 'root@localhost' FROM v1;
SELECT cu = 'root@localhost' FROM v2;
SELECT cu = 'root@localhost' FROM v3;

disconnect conn1;
connection default;

DROP VIEW v3;
DROP FUNCTION f2;
DROP PROCEDURE p1;
DROP FUNCTION f1;
DROP VIEW v2;
DROP VIEW v1;
DROP USER mysqltest_u1@localhost;


#
# Bug#17254 Error for DEFINER security on VIEW provides too much info
#
connect (root,localhost,root,,);
connection root;
CREATE DATABASE db17254;
USE db17254;
CREATE TABLE t1 (f1 INT);
INSERT INTO t1 VALUES (10),(20);
CREATE USER def_17254@localhost;
GRANT SELECT ON db17254.* TO def_17254@localhost;
CREATE USER inv_17254@localhost;
GRANT SELECT ON db17254.t1 TO inv_17254@localhost;
GRANT CREATE VIEW ON db17254.* TO def_17254@localhost;

connect (def,localhost,def_17254,,db17254);
connection def;
CREATE VIEW v1 AS SELECT * FROM t1;

connection root;
DROP USER def_17254@localhost;

connect (inv,localhost,inv_17254,,db17254);
connection inv;
--echo for a user
--error ER_TABLEACCESS_DENIED_ERROR
SELECT * FROM v1;

connection root;
--echo for a superuser
--error ER_NO_SUCH_USER
SELECT * FROM v1;
DROP USER inv_17254@localhost;
DROP DATABASE db17254;
disconnect def;
disconnect inv;


#
# Bug#24404 strange bug with view+permission+prepared statement
#
--disable_warnings
DROP DATABASE IF EXISTS mysqltest_db1;
DROP DATABASE IF EXISTS mysqltest_db2;
--enable_warnings
--error 0,ER_CANNOT_USER
DROP USER mysqltest_u1;
--error 0,ER_CANNOT_USER
DROP USER mysqltest_u2;

CREATE USER mysqltest_u1@localhost;
CREATE USER mysqltest_u2@localhost;

CREATE DATABASE mysqltest_db1;
CREATE DATABASE mysqltest_db2;

GRANT ALL ON mysqltest_db1.* TO mysqltest_u1@localhost WITH GRANT OPTION;
GRANT ALL ON mysqltest_db2.* TO mysqltest_u2@localhost;

connect (conn1, localhost, mysqltest_u1, , mysqltest_db1);

CREATE TABLE t1 (i INT);
INSERT INTO t1 VALUES (1);

# Use view with subquery for better coverage.
CREATE VIEW v1 AS SELECT i FROM t1 WHERE 1 IN (SELECT * FROM t1);

CREATE TABLE t2 (s CHAR(7));
INSERT INTO t2 VALUES ('public');

GRANT SELECT ON v1 TO mysqltest_u2@localhost;
GRANT SELECT ON t2 TO mysqltest_u2@localhost;

connect (conn2, localhost, mysqltest_u2, , mysqltest_db2);

SELECT * FROM mysqltest_db1.v1, mysqltest_db1.t2;
PREPARE stmt1 FROM "SELECT * FROM mysqltest_db1.t2";
EXECUTE stmt1;
PREPARE stmt2 FROM "SELECT * FROM mysqltest_db1.v1, mysqltest_db1.t2";
EXECUTE stmt2;

connection conn1;
# Make table 't2' private.
REVOKE SELECT ON t2 FROM mysqltest_u2@localhost;
UPDATE t2 SET s = 'private' WHERE s = 'public';

connection conn2;
--error ER_TABLEACCESS_DENIED_ERROR
SELECT * FROM mysqltest_db1.v1, mysqltest_db1.t2;
--error ER_TABLEACCESS_DENIED_ERROR
EXECUTE stmt1;
# Original bug was here: the statement didn't fail.
--error ER_TABLEACCESS_DENIED_ERROR
EXECUTE stmt2;

# Cleanup.
disconnect conn2;
disconnect conn1;
connection default;
REVOKE ALL ON mysqltest_db1.* FROM mysqltest_u1@localhost;
REVOKE ALL ON mysqltest_db2.* FROM mysqltest_u2@localhost;
DROP DATABASE mysqltest_db1;
DROP DATABASE mysqltest_db2;
DROP USER mysqltest_u1@localhost;
DROP USER mysqltest_u2@localhost;

#
# Bug#26813 The SUPER privilege is wrongly required to alter a view created
#           by another user.
#
connection root;
CREATE DATABASE db26813;
USE db26813;
CREATE TABLE t1(f1 INT, f2 INT);
CREATE VIEW v1 AS SELECT f1 FROM t1;
CREATE VIEW v2 AS SELECT f1 FROM t1;
CREATE VIEW v3 AS SELECT f1 FROM t1;
CREATE USER u26813@localhost;
GRANT DROP ON db26813.v1 TO u26813@localhost;
GRANT CREATE VIEW ON db26813.v2 TO u26813@localhost;
GRANT DROP, CREATE VIEW ON db26813.v3 TO u26813@localhost;
GRANT SELECT ON db26813.t1 TO u26813@localhost;

connect (u1,localhost,u26813,,db26813);
connection u1;
--error ER_TABLEACCESS_DENIED_ERROR 
ALTER VIEW v1 AS SELECT f2 FROM t1;
--error ER_TABLEACCESS_DENIED_ERROR
ALTER VIEW v2 AS SELECT f2 FROM t1;
--error ER_SPECIFIC_ACCESS_DENIED_ERROR
ALTER VIEW v3 AS SELECT f2 FROM t1;

connection root;
SHOW CREATE VIEW v3;

DROP USER u26813@localhost;
DROP DATABASE db26813;
disconnect u1;

--echo #
--echo # Bug#29908 A user can gain additional access through the ALTER VIEW.
--echo #
connection root;
CREATE DATABASE mysqltest_29908;
USE mysqltest_29908;
CREATE TABLE t1(f1 INT, f2 INT);
CREATE USER u29908_1@localhost;
CREATE DEFINER = u29908_1@localhost VIEW v1 AS SELECT f1 FROM t1;
CREATE DEFINER = u29908_1@localhost SQL SECURITY INVOKER VIEW v2 AS
  SELECT f1 FROM t1;
GRANT SELECT, DROP, CREATE VIEW, SHOW VIEW ON mysqltest_29908.v1 TO u29908_1@localhost;
GRANT SELECT, DROP, CREATE VIEW, SHOW VIEW ON mysqltest_29908.v2 TO u29908_1@localhost;
GRANT SELECT ON mysqltest_29908.t1 TO u29908_1@localhost;
CREATE USER u29908_2@localhost;
GRANT SELECT, DROP, CREATE VIEW ON mysqltest_29908.v1 TO u29908_2@localhost;
GRANT SELECT, DROP, CREATE VIEW, SHOW VIEW ON mysqltest_29908.v2 TO u29908_2@localhost;
GRANT SELECT ON mysqltest_29908.t1 TO u29908_2@localhost;

connect (u2,localhost,u29908_2,,mysqltest_29908);
--error ER_SPECIFIC_ACCESS_DENIED_ERROR
ALTER VIEW v1 AS SELECT f2 FROM t1;
--error ER_SPECIFIC_ACCESS_DENIED_ERROR
ALTER VIEW v2 AS SELECT f2 FROM t1;
SHOW CREATE VIEW v2;

connect (u1,localhost,u29908_1,,mysqltest_29908);
ALTER VIEW v1 AS SELECT f2 FROM t1;
SHOW CREATE VIEW v1;
ALTER VIEW v2 AS SELECT f2 FROM t1;
SHOW CREATE VIEW v2;

connection root;
ALTER VIEW v1 AS SELECT f1 FROM t1;
SHOW CREATE VIEW v1;
ALTER VIEW v2 AS SELECT f1 FROM t1;
SHOW CREATE VIEW v2;

DROP USER u29908_1@localhost;
DROP USER u29908_2@localhost;
DROP DATABASE mysqltest_29908;
disconnect u1;
disconnect u2;
--echo #######################################################################

#
# Bug#24040 Create View don't succed with "all privileges" on a database.
#

# Prepare.

--disable_warnings
DROP DATABASE IF EXISTS mysqltest1;
DROP DATABASE IF EXISTS mysqltest2;
--enable_warnings

CREATE DATABASE mysqltest1;
CREATE DATABASE mysqltest2;

# Test.

CREATE TABLE mysqltest1.t1(c1 INT);
CREATE TABLE mysqltest1.t2(c2 INT);
CREATE TABLE mysqltest1.t3(c3 INT);
CREATE TABLE mysqltest1.t4(c4 INT);

INSERT INTO mysqltest1.t1 VALUES (11), (12), (13), (14);
INSERT INTO mysqltest1.t2 VALUES (21), (22), (23), (24);
INSERT INTO mysqltest1.t3 VALUES (31), (32), (33), (34);
INSERT INTO mysqltest1.t4 VALUES (41), (42), (43), (44);

CREATE USER mysqltest_u1@localhost;
GRANT SELECT ON mysqltest1.t1 TO mysqltest_u1@localhost;
GRANT INSERT ON mysqltest1.t2 TO mysqltest_u1@localhost;
GRANT SELECT, UPDATE ON mysqltest1.t3 TO mysqltest_u1@localhost;
GRANT SELECT, DELETE ON mysqltest1.t4 TO mysqltest_u1@localhost;

GRANT ALL PRIVILEGES ON mysqltest2.* TO mysqltest_u1@localhost;

--connect (bug24040_con,localhost,mysqltest_u1,,mysqltest2)

SELECT * FROM mysqltest1.t1;
INSERT INTO mysqltest1.t2 VALUES(25);
UPDATE mysqltest1.t3 SET c3 = 331 WHERE c3 = 31;
DELETE FROM mysqltest1.t4 WHERE c4 = 44;

CREATE VIEW v1 AS SELECT * FROM mysqltest1.t1;
CREATE VIEW v2 AS SELECT * FROM mysqltest1.t2;
CREATE VIEW v3 AS SELECT * FROM mysqltest1.t3;
CREATE VIEW v4 AS SELECT * FROM mysqltest1.t4;

SELECT * FROM v1;
INSERT INTO v2 VALUES(26);
UPDATE v3 SET c3 = 332 WHERE c3 = 32;
DELETE FROM v4 WHERE c4 = 43;

--error ER_COLUMNACCESS_DENIED_ERROR
CREATE VIEW v12 AS SELECT c1, c2 FROM mysqltest1.t1, mysqltest1.t2;
CREATE VIEW v13 AS SELECT c1, c3 FROM mysqltest1.t1, mysqltest1.t3;
CREATE VIEW v14 AS SELECT c1, c4 FROM mysqltest1.t1, mysqltest1.t4;

--error ER_COLUMNACCESS_DENIED_ERROR
CREATE VIEW v21 AS SELECT c2, c1 FROM mysqltest1.t2, mysqltest1.t1;
--error ER_COLUMNACCESS_DENIED_ERROR
CREATE VIEW v23 AS SELECT c2, c3 FROM mysqltest1.t2, mysqltest1.t3;
--error ER_COLUMNACCESS_DENIED_ERROR
CREATE VIEW v24 AS SELECT c2, c4 FROM mysqltest1.t2, mysqltest1.t4;

CREATE VIEW v31 AS SELECT c3, c1 FROM mysqltest1.t3, mysqltest1.t1;
--error ER_COLUMNACCESS_DENIED_ERROR
CREATE VIEW v32 AS SELECT c3, c2 FROM mysqltest1.t3, mysqltest1.t2;
CREATE VIEW v34 AS SELECT c3, c4 FROM mysqltest1.t3, mysqltest1.t4;

CREATE VIEW v41 AS SELECT c4, c1 FROM mysqltest1.t4, mysqltest1.t1;
--error ER_COLUMNACCESS_DENIED_ERROR
CREATE VIEW v42 AS SELECT c4, c2 FROM mysqltest1.t4, mysqltest1.t2;
CREATE VIEW v43 AS SELECT c4, c3 FROM mysqltest1.t4, mysqltest1.t3;

--connection default

SELECT * FROM mysqltest1.t1;
SELECT * FROM mysqltest1.t2;
SELECT * FROM mysqltest1.t3;
SELECT * FROM mysqltest1.t4;

# Cleanup.

disconnect bug24040_con;

DROP DATABASE mysqltest1;
DROP DATABASE mysqltest2;
DROP USER mysqltest_u1@localhost;


#
# Bug#41354 Access control is bypassed when all columns of a view are
#           selected by * wildcard

CREATE DATABASE db1;
USE db1;
CREATE TABLE t1(f1 INT, f2 INT);
CREATE VIEW v1 AS SELECT f1, f2 FROM t1;

CREATE USER foo;
GRANT SELECT (f1) ON t1 TO foo;
GRANT SELECT (f1) ON v1 TO foo;

connect (addconfoo, localhost, foo,,);
connection addconfoo;
USE db1;

SELECT f1 FROM t1;
--error ER_COLUMNACCESS_DENIED_ERROR
SELECT f2 FROM t1;
--error ER_TABLEACCESS_DENIED_ERROR
SELECT * FROM t1;

SELECT f1 FROM v1;
--error ER_COLUMNACCESS_DENIED_ERROR
SELECT f2 FROM v1;
--error ER_TABLEACCESS_DENIED_ERROR
SELECT * FROM v1;

connection default;
disconnect root;
disconnect addconfoo;
USE test;
REVOKE SELECT (f1) ON db1.t1 FROM foo;
REVOKE SELECT (f1) ON db1.v1 FROM foo;
DROP USER foo;
DROP VIEW db1.v1;
DROP TABLE db1.t1;
DROP DATABASE db1;

connection default;


--echo Bug #11765687/#58677: 
--echo No privilege on table/view, but can know #rows / underlying table's name

# As a root-like user
connect (root,localhost,root,,test);
connection root;

create database mysqltest1;
create table mysqltest1.t1 (i int);
create table mysqltest1.t2 (j int);
create table mysqltest1.t3 (k int, secret int);

create user alice@localhost;
create user bob@localhost;
create user cecil@localhost;
create user dan@localhost;
create user eugene@localhost;
create user fiona@localhost;
create user greg@localhost;
create user han@localhost;
create user inga@localhost;
create user jamie@localhost;
create user karl@localhost;
create user lena@localhost;
create user mhairi@localhost;
create user noam@localhost;
create user olga@localhost;
create user pjotr@localhost;
create user quintessa@localhost;

grant all privileges on mysqltest1.* to alice@localhost with grant option;

#
--echo ... as alice
connect (test11765687,localhost,alice,,mysqltest1);
connection test11765687;

create view v1 as select * from t1;
create view v2 as select * from v1, t2;
create view v3 as select k from t3;

grant select            on mysqltest1.v1 to bob@localhost;

grant show view         on mysqltest1.v1 to cecil@localhost;

grant select, show view on mysqltest1.v1 to dan@localhost;
grant select            on mysqltest1.t1 to dan@localhost;

grant select            on mysqltest1.*  to eugene@localhost;

grant select, show view on mysqltest1.v2 to fiona@localhost;

grant select, show view on mysqltest1.v2 to greg@localhost;
grant         show view on mysqltest1.v1 to greg@localhost;

grant select(k)         on mysqltest1.t3 to han@localhost;
grant select, show view on mysqltest1.v3 to han@localhost;

grant select            on mysqltest1.t1 to inga@localhost;
grant select            on mysqltest1.t2 to inga@localhost;
grant select            on mysqltest1.v1 to inga@localhost;
grant select, show view on mysqltest1.v2 to inga@localhost;

grant select            on mysqltest1.t1 to jamie@localhost;
grant select            on mysqltest1.t2 to jamie@localhost;
grant         show view on mysqltest1.v1 to jamie@localhost;
grant select, show view on mysqltest1.v2 to jamie@localhost;

grant select            on mysqltest1.t1 to karl@localhost;
grant select            on mysqltest1.t2 to karl@localhost;
grant select, show view on mysqltest1.v1 to karl@localhost;
grant select            on mysqltest1.v2 to karl@localhost;

grant select            on mysqltest1.t1 to lena@localhost;
grant select            on mysqltest1.t2 to lena@localhost;
grant select, show view on mysqltest1.v1 to lena@localhost;
grant         show view on mysqltest1.v2 to lena@localhost;

grant select            on mysqltest1.t1 to mhairi@localhost;
grant select            on mysqltest1.t2 to mhairi@localhost;
grant select, show view on mysqltest1.v1 to mhairi@localhost;
grant select, show view on mysqltest1.v2 to mhairi@localhost;

grant select            on mysqltest1.t1 to noam@localhost;
grant select, show view on mysqltest1.v1 to noam@localhost;
grant select, show view on mysqltest1.v2 to noam@localhost;

grant select            on mysqltest1.t2 to olga@localhost;
grant select, show view on mysqltest1.v1 to olga@localhost;
grant select, show view on mysqltest1.v2 to olga@localhost;

grant select            on mysqltest1.t1 to pjotr@localhost;
grant select            on mysqltest1.t2 to pjotr@localhost;
grant select, show view on mysqltest1.v2 to pjotr@localhost;

grant select, show view on mysqltest1.v1 to quintessa@localhost;

disconnect test11765687;

#
--echo ... as bob
connect (test11765687,localhost,bob,,mysqltest1);
connection test11765687;

select * from v1; # Should succeed.
--error ER_VIEW_NO_EXPLAIN
explain select * from v1; # fail, no SHOW_VIEW

disconnect test11765687;

#
--echo ... as cecil
connect (test11765687,localhost,cecil,,mysqltest1);
connection test11765687;

--error ER_TABLEACCESS_DENIED_ERROR
select * from v1; # fail, no SELECT
--error ER_TABLEACCESS_DENIED_ERROR
explain select * from v1; # fail, no SELECT

disconnect test11765687;

#
--echo ... as dan
connect (test11765687,localhost,dan,,mysqltest1);
connection test11765687;

select * from v1; # Should succeed.
explain select * from v1; # Should succeed.

disconnect test11765687;

#
--echo ... as eugene
connect (test11765687,localhost,eugene,,mysqltest1);
connection test11765687;

select * from v1; # Should succeed.
--error ER_VIEW_NO_EXPLAIN
explain select * from v1; # fail, no SHOW_VIEW

disconnect test11765687;

#
--echo ... as fiona
connect (test11765687,localhost,fiona,,mysqltest1);
connection test11765687;

select * from v2; # Should succeed.
show create view v2; # Should succeed, but...
--error ER_TABLEACCESS_DENIED_ERROR
explain select * from t1; # fail, shouldn't see t1!
--error ER_TABLEACCESS_DENIED_ERROR
# err msg must give view name, no table names!!
explain select * from v1; # fail, have no privs on v1!
--error ER_TABLEACCESS_DENIED_ERROR
explain select * from t2; # fail, have no privs on t2!
--error ER_VIEW_NO_EXPLAIN
explain select * from v2; # fail, shouldn't see t2!

disconnect test11765687;

#
--echo ... as greg
connect (test11765687,localhost,greg,,mysqltest1);
connection test11765687;

select * from v2; # Should succeed.
--error ER_TABLEACCESS_DENIED_ERROR
explain select * from v1; # fail; no SELECT on v1!
--error ER_VIEW_NO_EXPLAIN
explain select * from v2; # fail; no SELECT on v1!

disconnect test11765687;

#
--echo ... as han
connect (test11765687,localhost,han,,mysqltest1);
connection test11765687;

--error ER_TABLEACCESS_DENIED_ERROR
select * from t3; # don't have privs on all columns,
--error ER_TABLEACCESS_DENIED_ERROR
explain select * from t3; # so EXPLAIN on "forbidden" columns should fail.
select k from t3; # but we do have SELECT on column k though,
explain select k from t3; # so EXPLAIN just on k should work,
select * from v3; # and so should SELECT on view only using allowed columns
explain select * from v3; # as should the associated EXPLAIN

disconnect test11765687;

#
--echo ... as inga
connect (test11765687,localhost,inga,,mysqltest1);
connection test11765687;

select * from v2;
# has sel/show on v2, sel on t1/t2, only sel v1
# fail: lacks show on v1
--error ER_VIEW_NO_EXPLAIN
explain select * from v2;
disconnect test11765687;

#
--echo ... as jamie
connect (test11765687,localhost,jamie,,mysqltest1);
connection test11765687;

select * from v2;
# has sel/show on v2, sel on t1/t2, only show v1
# fail: lacks sel on v1
--error ER_VIEW_NO_EXPLAIN
explain select * from v2;
disconnect test11765687;

#
--echo ... as karl
connect (test11765687,localhost,karl,,mysqltest1);
connection test11765687;

select * from v2;
# has sel only on v2, sel on t1/t2, sel/show v1
# fail: lacks show on v2
--error ER_VIEW_NO_EXPLAIN
explain select * from v2;
disconnect test11765687;

#
--echo ... as lena

connect (test11765687,localhost,lena,,mysqltest1);
connection test11765687;
--error ER_TABLEACCESS_DENIED_ERROR
select * from v2;
# has show only on v2, sel on t1/t2, sel/show v1
# fail: lacks sel on v2
--error ER_TABLEACCESS_DENIED_ERROR
explain select * from v2;
disconnect test11765687;

#
--echo ... as mhairi
connect (test11765687,localhost,mhairi,,mysqltest1);
connection test11765687;

select * from v2;
# has sel/show on v2, sel on t1/t2, sel/show v1
explain select * from v2;
disconnect test11765687;

#
--echo ... as noam
connect (test11765687,localhost,noam,,mysqltest1);
connection test11765687;

select * from v2;
# has sel/show on v2, sel only on t1, sel/show v1 (no sel on t2!)
--error ER_VIEW_NO_EXPLAIN
explain select * from v2;
disconnect test11765687;

#
--echo ... as olga
connect (test11765687,localhost,olga,,mysqltest1);
connection test11765687;

select * from v2;
# has sel/show on v2, sel only on t2, sel/show v1 (no sel on t1!)
--error ER_VIEW_NO_EXPLAIN
explain select * from v2;
disconnect test11765687;

#
--echo ... as pjotr
connect (test11765687,localhost,pjotr,,mysqltest1);
connection test11765687;

select * from v2;
# has sel/show on v2, sel only on t2, nothing on v1
# fail: lacks show on v1
--error ER_VIEW_NO_EXPLAIN
explain select * from v2;
disconnect test11765687;

#
--echo ... as quintessa
connect (test11765687,localhost,quintessa,,mysqltest1);
connection test11765687;

select * from v1; # Should succeed.
--error ER_VIEW_NO_EXPLAIN
explain select * from v1; # fail: lacks select on t1

disconnect test11765687;

# cleanup

#
--echo ... as root again at last: clean-up time!
connection root;

drop user alice@localhost;
drop user bob@localhost;
drop user cecil@localhost;
drop user dan@localhost;
drop user eugene@localhost;
drop user fiona@localhost;
drop user greg@localhost;
drop user han@localhost;
drop user inga@localhost;
drop user jamie@localhost;
drop user karl@localhost;
drop user lena@localhost;
drop user mhairi@localhost;
drop user noam@localhost;
drop user olga@localhost;
drop user pjotr@localhost;
drop user quintessa@localhost;

drop database mysqltest1;

disconnect root;

connection default;

#
# MDEV-4951 drop user leaves privileges
#
#verify that no privileges were left after the above
select * from information_schema.table_privileges;

--echo End of 5.0 tests.


#
# Test that ALTER VIEW accepts DEFINER and ALGORITHM, see bug#16425.
#
connection default;
--disable_warnings
DROP VIEW IF EXISTS v1;
DROP TABLE IF EXISTS t1;
--enable_warnings

CREATE TABLE t1 (i INT);
CREATE VIEW v1 AS SELECT * FROM t1;

ALTER VIEW v1 AS SELECT * FROM t1;
SHOW CREATE VIEW v1;
ALTER DEFINER=no_such@user_1 VIEW v1 AS SELECT * FROM t1;
SHOW CREATE VIEW v1;
ALTER ALGORITHM=MERGE VIEW v1 AS SELECT * FROM t1;
SHOW CREATE VIEW v1;
ALTER ALGORITHM=TEMPTABLE DEFINER=no_such@user_2 VIEW v1 AS SELECT * FROM t1;
SHOW CREATE VIEW v1;

DROP VIEW v1;
DROP TABLE t1;

#
# Bug#37191: Failed assertion in CREATE VIEW
#
CREATE USER mysqluser1@localhost;
CREATE DATABASE mysqltest1;

USE mysqltest1;

CREATE TABLE t1 ( a INT );
CREATE TABLE t2 ( b INT );

INSERT INTO t1 VALUES (1), (2);
INSERT INTO t2 VALUES (1), (2);

GRANT CREATE VIEW ON mysqltest1.* TO mysqluser1@localhost;

GRANT SELECT ON t1 TO mysqluser1@localhost;
GRANT INSERT ON t2 TO mysqluser1@localhost;

--connect (connection1, localhost, mysqluser1, , mysqltest1)

--echo This would lead to failed assertion.
CREATE VIEW v1 AS SELECT a, b FROM t1, t2;

--error ER_TABLEACCESS_DENIED_ERROR
SELECT * FROM v1;
--error ER_TABLEACCESS_DENIED_ERROR
SELECT b FROM v1;

--disconnect connection1
--connection default

DROP TABLE t1, t2;
DROP VIEW v1;
DROP DATABASE mysqltest1;
DROP USER mysqluser1@localhost;
USE test;

--echo End of 5.1 tests.

#
# Bug#36086: SELECT * from views don't check column grants
#
CREATE USER mysqluser1@localhost;
CREATE DATABASE mysqltest1;

USE mysqltest1;

CREATE TABLE t1 ( a INT, b INT );
CREATE TABLE t2 ( a INT, b INT );

CREATE VIEW v1 AS SELECT a, b FROM t1;

GRANT SELECT( a ) ON v1 TO mysqluser1@localhost;
GRANT UPDATE( b ) ON t2 TO mysqluser1@localhost;

--connect (connection1, localhost, mysqluser1, , test)

--error ER_TABLEACCESS_DENIED_ERROR
SELECT * FROM mysqltest1.v1;

--error ER_TABLEACCESS_DENIED_ERROR
CREATE VIEW v1 AS SELECT * FROM mysqltest1.t2;

--disconnect connection1

--connection default

DROP TABLE t1, t2;
DROP VIEW v1;
DROP DATABASE mysqltest1;
DROP USER mysqluser1@localhost;

#
# Bug#35600 Security breach via view, I_S table and prepared
#           statement/stored procedure
#
CREATE USER mysqluser1@localhost;
CREATE DATABASE mysqltest1;

USE mysqltest1;

CREATE VIEW v1 AS SELECT * FROM information_schema.tables LIMIT 1;
CREATE ALGORITHM = TEMPTABLE VIEW v2 AS SELECT 1 AS A;

CREATE VIEW test.v3 AS SELECT 1 AS a;

--connection default
GRANT SELECT ON mysqltest1.* to mysqluser1@localhost;
GRANT ALL ON test.* TO mysqluser1@localhost;

--connect (connection1, localhost, mysqluser1, , test)
PREPARE stmt_v1     FROM "SELECT * FROM mysqltest1.v1";
PREPARE stmt_v2 FROM "SELECT * FROM mysqltest1.v2";

--connection default
REVOKE SELECT ON mysqltest1.* FROM mysqluser1@localhost;

--connection connection1

--error ER_TABLEACCESS_DENIED_ERROR
EXECUTE stmt_v1;
--error ER_TABLEACCESS_DENIED_ERROR
EXECUTE stmt_v2;
--disconnect connection1

--connect (connection2, localhost, mysqluser1,,)
PREPARE stmt FROM "SELECT a FROM v3";
EXECUTE stmt;
--disconnect connection2

--connection default
DROP VIEW v1, v2;
DROP DATABASE mysqltest1;
DROP VIEW test.v3;
DROP USER mysqluser1@localhost;
USE test;

--echo #
--echo # Bug#35996: SELECT + SHOW VIEW should be enough to display view 
--echo # definition
--echo #
-- source include/not_embedded.inc
CREATE USER mysqluser1@localhost;
CREATE DATABASE mysqltest1;
CREATE DATABASE mysqltest2;
GRANT USAGE, SELECT, CREATE VIEW, SHOW VIEW 
ON mysqltest2.* TO mysqluser1@localhost;

USE mysqltest1;

CREATE TABLE t1( a INT );
CREATE TABLE t2( a INT, b INT );
CREATE FUNCTION f1() RETURNS INT RETURN 1;
CREATE VIEW v1 AS SELECT 1 AS a;
CREATE VIEW v2 AS SELECT 1 AS a, 2 AS b;

GRANT SELECT        ON TABLE    t1 TO mysqluser1@localhost;
GRANT SELECT (a, b) ON TABLE    t2 TO mysqluser1@localhost;
GRANT EXECUTE       ON FUNCTION f1 TO mysqluser1@localhost;
GRANT SELECT        ON TABLE    v1 TO mysqluser1@localhost;
GRANT SELECT (a, b) ON TABLE    v2 TO mysqluser1@localhost;

CREATE VIEW v_t1 AS SELECT * FROM t1;
CREATE VIEW v_t2 AS SELECT * FROM t2;
CREATE VIEW v_f1 AS SELECT f1() AS a;
CREATE VIEW v_v1 AS SELECT * FROM v1;
CREATE VIEW v_v2 AS SELECT * FROM v2;

GRANT SELECT, SHOW VIEW ON v_t1 TO mysqluser1@localhost;
GRANT SELECT, SHOW VIEW ON v_t2 TO mysqluser1@localhost;
GRANT SELECT, SHOW VIEW ON v_f1 TO mysqluser1@localhost;
GRANT SELECT, SHOW VIEW ON v_v1 TO mysqluser1@localhost;
GRANT SELECT, SHOW VIEW ON v_v2 TO mysqluser1@localhost;

--connect (connection1, localhost, mysqluser1,, mysqltest2)
CREATE VIEW v_mysqluser1_t1 AS SELECT * FROM mysqltest1.t1;
CREATE VIEW v_mysqluser1_t2 AS SELECT * FROM mysqltest1.t2;
CREATE VIEW v_mysqluser1_f1 AS SELECT mysqltest1.f1() AS a;
CREATE VIEW v_mysqluser1_v1 AS SELECT * FROM mysqltest1.v1;
CREATE VIEW v_mysqluser1_v2 AS SELECT * FROM mysqltest1.v2;

SHOW CREATE VIEW mysqltest1.v_t1;
SHOW CREATE VIEW mysqltest1.v_t2;
SHOW CREATE VIEW mysqltest1.v_f1;
SHOW CREATE VIEW mysqltest1.v_v1;
SHOW CREATE VIEW mysqltest1.v_v2;

SHOW CREATE VIEW v_mysqluser1_t1;
SHOW CREATE VIEW v_mysqluser1_t2;
SHOW CREATE VIEW v_mysqluser1_f1;
SHOW CREATE VIEW v_mysqluser1_v1;
SHOW CREATE VIEW v_mysqluser1_v2;

--connection default
REVOKE SELECT     ON TABLE    t1 FROM mysqluser1@localhost;
REVOKE SELECT (a) ON TABLE    t2 FROM mysqluser1@localhost;
REVOKE EXECUTE    ON FUNCTION f1 FROM mysqluser1@localhost;
REVOKE SELECT     ON TABLE    v1 FROM mysqluser1@localhost;

--connection connection1
SHOW CREATE VIEW mysqltest1.v_t1;
SHOW CREATE VIEW mysqltest1.v_t2;
SHOW CREATE VIEW mysqltest1.v_f1;
SHOW CREATE VIEW mysqltest1.v_v1;
SHOW CREATE VIEW mysqltest1.v_v2;

SHOW CREATE VIEW v_mysqluser1_t1;
SHOW CREATE VIEW v_mysqluser1_t2;
SHOW CREATE VIEW v_mysqluser1_f1;
SHOW CREATE VIEW v_mysqluser1_v1;
SHOW CREATE VIEW v_mysqluser1_v2;

--connection default
--echo # Testing the case when the views reference missing objects.
--echo # Obviously, there are no privileges to check for, so we
--echo # need only each object type once.
DROP TABLE t1;
DROP FUNCTION f1;
DROP VIEW v1;

--connection connection1
SHOW CREATE VIEW mysqltest1.v_t1;
SHOW CREATE VIEW mysqltest1.v_f1;
SHOW CREATE VIEW mysqltest1.v_v1;

SHOW CREATE VIEW v_mysqluser1_t1;
SHOW CREATE VIEW v_mysqluser1_f1;
SHOW CREATE VIEW v_mysqluser1_v1;

--connection default
REVOKE SHOW VIEW ON v_t1 FROM mysqluser1@localhost;
REVOKE SHOW VIEW ON v_f1 FROM mysqluser1@localhost;
REVOKE SHOW VIEW ON v_v1 FROM mysqluser1@localhost;

--connection connection1
--error ER_TABLEACCESS_DENIED_ERROR
SHOW CREATE VIEW mysqltest1.v_t1;
--error ER_TABLEACCESS_DENIED_ERROR
SHOW CREATE VIEW mysqltest1.v_f1;
--error ER_TABLEACCESS_DENIED_ERROR
SHOW CREATE VIEW mysqltest1.v_v1;
SHOW CREATE VIEW v_mysqluser1_t1;
SHOW CREATE VIEW v_mysqluser1_f1;
SHOW CREATE VIEW v_mysqluser1_v1;

--disconnect connection1
--connection default
DROP USER mysqluser1@localhost;
DROP DATABASE mysqltest1;
DROP DATABASE mysqltest2;
USE test;

CREATE TABLE t1( a INT );
CREATE DEFINER = no_such_user@no_such_host VIEW v1 AS SELECT * FROM t1;
SHOW CREATE VIEW v1;
DROP TABLE t1;
DROP VIEW v1;


--echo #
--echo # Bug #46019: ERROR 1356 When selecting from within another 
--echo #  view that has Group By
--echo #
CREATE DATABASE mysqltest1;
USE mysqltest1;

CREATE TABLE t1 (a INT);

CREATE SQL SECURITY INVOKER VIEW v1 AS SELECT a FROM t1 GROUP BY a;
CREATE SQL SECURITY INVOKER VIEW v2 AS SELECT a FROM v1;

CREATE USER mysqluser1;

GRANT SELECT ON TABLE t1 TO mysqluser1;
GRANT SELECT, SHOW VIEW ON TABLE v1 TO mysqluser1;
GRANT SELECT, SHOW VIEW ON TABLE v2 TO mysqluser1;

--connect (mysqluser1, localhost, mysqluser1,,mysqltest1)
SELECT a FROM v1;
SELECT a FROM v2;

--connection default
--disconnect mysqluser1
DROP USER mysqluser1;
DROP DATABASE mysqltest1;
USE test;

--echo #
--echo # Bug#47734: Assertion failed: ! is_set() when locking a view with non-existing definer
--echo #

--disable_warnings
DROP VIEW IF EXISTS v1;
--enable_warnings

CREATE DEFINER=`unknown`@`unknown` SQL SECURITY DEFINER VIEW v1 AS SELECT 1;
--error ER_NO_SUCH_USER
LOCK TABLES v1 READ;
DROP VIEW v1;


--echo #
--echo # Bug #58499 "DEFINER-security view selecting from INVOKER-security view
--echo #             access check wrong".
--echo #
--echo # Check that we correctly handle privileges for various combinations
--echo # of INVOKER and DEFINER-security views using each other.
--disable_warnings
DROP DATABASE IF EXISTS mysqltest1;
--enable_warnings
CREATE DATABASE mysqltest1;
USE mysqltest1;
CREATE TABLE t1 (i INT);
CREATE TABLE t2 (j INT);
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (2);
--echo #
--echo # 1) DEFINER-security view uses INVOKER-security view (covers
--echo #    scenario originally described in the bug report).
CREATE SQL SECURITY INVOKER VIEW v1_uses_t1 AS SELECT * FROM t1;
CREATE SQL SECURITY INVOKER VIEW v1_uses_t2 AS SELECT * FROM t2;
CREATE USER 'mysqluser1'@'%';
GRANT CREATE VIEW ON mysqltest1.* TO 'mysqluser1'@'%';
GRANT SELECT ON t1 TO 'mysqluser1'@'%';
--echo # To be able create 'v2_uses_t2' we also need select on t2. 
GRANT SELECT ON t2 TO 'mysqluser1'@'%';
GRANT SELECT ON v1_uses_t1 TO 'mysqluser1'@'%';
GRANT SELECT ON v1_uses_t2 TO 'mysqluser1'@'%';
--connect (mysqluser1, localhost, mysqluser1,,mysqltest1)
CREATE SQL SECURITY DEFINER VIEW v2_uses_t1 AS SELECT * FROM v1_uses_t1;
CREATE SQL SECURITY DEFINER VIEW v2_uses_t2 AS SELECT * FROM v1_uses_t2;
--connection default
CREATE USER 'mysqluser2'@'%';
GRANT SELECT ON v2_uses_t1 TO 'mysqluser2'@'%';
GRANT SELECT ON v2_uses_t2 TO 'mysqluser2'@'%';
GRANT SELECT ON t2 TO 'mysqluser2'@'%';
GRANT CREATE VIEW ON mysqltest1.* TO 'mysqluser2'@'%';
--echo # Make 'mysqluser1' unable to access t2.
REVOKE SELECT ON t2 FROM 'mysqluser1'@'%';
--connect (mysqluser2, localhost, mysqluser2,,mysqltest1)
--echo # The below statement should succeed thanks to suid nature of v2_uses_t1.
SELECT * FROM v2_uses_t1;
--echo # The below statement should fail due to suid nature of v2_uses_t2.
--error ER_VIEW_INVALID
SELECT * FROM v2_uses_t2;
--echo #
--echo # 2) INVOKER-security view uses INVOKER-security view.
--connection default
DROP VIEW v2_uses_t1, v2_uses_t2;
CREATE SQL SECURITY INVOKER VIEW v2_uses_t1 AS SELECT * FROM v1_uses_t1;
CREATE SQL SECURITY INVOKER VIEW v2_uses_t2 AS SELECT * FROM v1_uses_t2;
GRANT SELECT ON v2_uses_t1 TO 'mysqluser1'@'%';
GRANT SELECT ON v2_uses_t2 TO 'mysqluser1'@'%';
GRANT SELECT ON v1_uses_t1 TO 'mysqluser2'@'%';
GRANT SELECT ON v1_uses_t2 TO 'mysqluser2'@'%';
--connection mysqluser1
--echo # For both versions of 'v2' 'mysqluser1' privileges should be used.
SELECT * FROM v2_uses_t1;
--error ER_VIEW_INVALID
SELECT * FROM v2_uses_t2;
--connection mysqluser2
--echo # And now for both versions of 'v2' 'mysqluser2' privileges should
--echo # be used.
--error ER_VIEW_INVALID
SELECT * FROM v2_uses_t1;
SELECT * FROM v2_uses_t2;
--echo #
--echo # 3) INVOKER-security view uses DEFINER-security view.
--connection default
DROP VIEW v1_uses_t1, v1_uses_t2;
--echo # To be able create 'v1_uses_t2' we also need select on t2. 
GRANT SELECT ON t2 TO 'mysqluser1'@'%';
--connection mysqluser1
CREATE SQL SECURITY DEFINER VIEW v1_uses_t1 AS SELECT * FROM t1;
CREATE SQL SECURITY DEFINER VIEW v1_uses_t2 AS SELECT * FROM t2;
--connection default
--echo # Make 'mysqluser1' unable to access t2.
REVOKE SELECT ON t2 FROM 'mysqluser1'@'%';
--connection mysqluser2
--echo # Due to suid nature of v1_uses_t1 and v1_uses_t2 the first
--echo # select should succeed and the second select should fail.
SELECT * FROM v2_uses_t1;
--error ER_VIEW_INVALID
SELECT * FROM v2_uses_t2;
--echo #
--echo # 4) DEFINER-security view uses DEFINER-security view.
--connection default
DROP VIEW v2_uses_t1, v2_uses_t2;
--echo # To be able create 'v2_uses_t2' we also need select on t2. 
GRANT SELECT ON t2 TO 'mysqluser1'@'%';
--connection mysqluser2
CREATE SQL SECURITY DEFINER VIEW v2_uses_t1 AS SELECT * FROM v1_uses_t1;
CREATE SQL SECURITY DEFINER VIEW v2_uses_t2 AS SELECT * FROM v1_uses_t2;
--connection default
--echo # Make 'mysqluser1' unable to access t2.
REVOKE SELECT ON t2 FROM 'mysqluser1'@'%';
--connection mysqluser2
--echo # Again privileges of creator of innermost views should apply.
SELECT * FROM v2_uses_t1;
--error ER_VIEW_INVALID
SELECT * FROM v2_uses_t2;

--disconnect mysqluser1
--disconnect mysqluser2
--connection default
USE test;
DROP DATABASE mysqltest1;
DROP USER 'mysqluser1'@'%';
DROP USER 'mysqluser2'@'%';

--echo #
--echo # Test for bug #11766767 - "59957: VIEW USING MERGE PERMISSIONS
--echo #                           IN MULTI-TABLE UPDATE".
--echo #
--disable_warnings
drop database if exists mysqltest1;
drop database if exists mysqltest2;
--enable_warnings
--echo #
--echo # Prepare playground. 
create database mysqltest1;
create database mysqltest2;
create user user_11766767;
grant select on mysqltest1.* to user_11766767;
grant all on mysqltest2.* to user_11766767;
use mysqltest1;
create table t1 (id int primary key, val varchar(20));
insert into t1 values (1, 'test1');
create table t11 (id int primary key);
insert into t11 values (1);
create algorithm=temptable view v1_temp as select * from t1;
create algorithm=merge view v1_merge as select * from t1;
create algorithm=temptable view v11_temp as
  select t1.id as id, t1.val as val from t1, t11 where t1.id= t11.id;
create algorithm=merge view v11_merge as
  select t1.id as id, t1.val as val from t1, t11 where t1.id= t11.id;
use mysqltest2;
create table t2 (id int primary key, val varchar(20));
insert into t2 values (1, 'test2');
create table t21 (id int primary key);
insert into t21 values (1);
create algorithm=temptable view v2_temp as select * from t2;
create algorithm=merge view v2_merge as select * from t2;
create algorithm=temptable view v21_temp as 
  select t2.id as id, t2.val as val from t2, t21 where t2.id= t21.id;
create algorithm=merge view v21_merge as
  select t2.id as id, t2.val as val from t2, t21 where t2.id= t21.id;
create algorithm=temptable sql security invoker view v3_temp as
  select t1.id as id, t1.val as val from mysqltest1.t1 as t1, mysqltest1.t11 as t11
    where t1.id = t11.id;
create algorithm=merge sql security invoker view v3_merge as
  select t1.id as id, t1.val as val from mysqltest1.t1 as t1, mysqltest1.t11 as t11
    where t1.id = t11.id;
create sql security invoker view v31 as
  select t2.id as id, t2.val as val from mysqltest2.t2 as t2, mysqltest1.t11 as t11
    where t2.id = t11.id;
create sql security invoker view v4 as
  select t2.id as id, t2.val as val from mysqltest2.t2 as t2, mysqltest1.v1_merge as v1
    where t2.id = v1.id;
create sql security invoker view v41 as
  select v1.id as id, v1.val as val from mysqltest2.t2 as t2, mysqltest1.v1_merge as v1
    where t2.id = v1.id;
create sql security invoker view v42 as
  select v2.id as id, v2.val as val from mysqltest2.t2 as t2, mysqltest2.v2_merge as v2
    where t2.id = v2.id;


connect (conn_11766767, localhost, user_11766767,,);

--echo #
--echo # A) Check how we handle privilege checking in multi-update for 
--echo #    directly used views.
--echo #
--echo # A.1) Originally reported problem, view is used in read-only mode.
--echo #      This should work with only SELECT privilege for both mergeable
--echo #      and temptable algorithms.
update mysqltest2.t2 as t2, mysqltest1.v1_merge as v1 set t2.val= 'test3'
  where t2.id= v1.id;
update mysqltest2.t2 as t2, mysqltest1.v1_temp as v1 set t2.val= 'test4'
  where t2.id= v1.id;
--echo #
--echo # A.2) If view is updated an UPDATE privilege on it is required.
--echo #      Temptable views can't be updated.
--error ER_TABLEACCESS_DENIED_ERROR
update mysqltest2.t2 as t2, mysqltest1.v1_merge as v1 set v1.val= 'test5'
  where t2.id= v1.id;
update mysqltest1.t1 as t1, mysqltest2.v2_merge as v2 set v2.val= 'test6'
  where t1.id= v2.id;
--echo #
--echo #      Note that the below error is OK even though user lacks UPDATE
--echo #      privilege on v1_temp since he/she still has SELECT privilege on
--echo #      this view.
--error ER_NON_UPDATABLE_TABLE
update mysqltest2.t2 as t2, mysqltest1.v1_temp as v1 set v1.val= 'test7'
  where t2.id= v1.id;
--error ER_NON_UPDATABLE_TABLE
update mysqltest1.t1 as t1, mysqltest2.v2_temp as v2 set v2.val= 'test8'
  where t1.id= v2.id;
--echo #
--echo # A.3) This also works for correctly for multi-table views.
--echo #      When usage is read-only SELECT is enough.
update mysqltest2.t2 as t2, mysqltest1.v11_merge as v11 set t2.val= 'test9'
  where t2.id= v11.id;
update mysqltest2.t2 as t2, mysqltest1.v11_temp as v11 set t2.val= 'test10'
  where t2.id= v11.id;
--echo #      When one of view's tables is updated, UPDATE is required
--echo #      on a view.
--error ER_TABLEACCESS_DENIED_ERROR
update mysqltest2.t2 as t2, mysqltest1.v11_merge as v11 set v11.val= 'test11'
  where t2.id= v11.id;
update mysqltest1.t1 as t1, mysqltest2.v21_merge as v21 set v21.val= 'test12'
  where t1.id= v21.id;
--echo #      As before, temptable views are not updateable.
--error ER_NON_UPDATABLE_TABLE
update mysqltest2.t2 as t2, mysqltest1.v11_temp as v11 set v11.val= 'test13'
  where t2.id= v11.id;
--error ER_NON_UPDATABLE_TABLE
update mysqltest1.t1 as t1, mysqltest2.v21_temp as v21 set v21.val= 'test14'
  where t1.id= v21.id;

--echo #
--echo # B) Now check that correct privileges are required on underlying
--echo #    tables. To simplify this part of test we will use SECURITY
--echo #    INVOKER views in it.
--echo #
--echo # B.1) In case when view is used for read only it is enough to have
--echo #      SELECT on its underlying tables.
update mysqltest2.t2 as t2, mysqltest2.v3_merge as v3 set t2.val= 'test15'
  where t2.id= v3.id;
update mysqltest2.t2 as t2, mysqltest2.v3_temp as v3 set t2.val= 'test16'
  where t2.id= v3.id;
--echo #
--echo # B.2) If view is updated, UPDATE privilege on the table being updated
--echo #      is required (since we already checked that temptable views are
--echo #      not updateable we don't test them here).
--error ER_VIEW_INVALID
update mysqltest2.t2 as t2, mysqltest2.v3_merge as v3 set v3.val= 'test17'
  where t2.id= v3.id;
update mysqltest1.t11 as t11, mysqltest2.v31 as v31 set v31.val= 'test18'
  where t11.id= v31.id;

--disable_ps_protocol
--echo #
--echo # C) Finally, check how we handle privilege checking in case when
--echo #    view is used through another view. Again we will use SECURITY
--echo #    INVOKER views for simplicity.
--echo #
--echo # C.1) As usual, when a view used by another view is going to be used
--echo #      in read-only fashion, only SELECT privilege is necessary.
update mysqltest1.t11 as t11, mysqltest2.v4 as v4 set v4.val= 'test19'
  where t11.id= v4.id;
--echo #
--echo # C.2) If one of underlying tables of the view is updated then
--echo #      UPDATE on a view is necessary.
--error ER_VIEW_INVALID
update mysqltest1.t11 as t11, mysqltest2.v41 as v4 set v4.val= 'test20'
  where t11.id= v4.id;
update mysqltest1.t11 as t11, mysqltest2.v42 as v4 set v4.val= 'test20'
  where t11.id= v4.id;
--enable_ps_protocol

--echo #
--echo # Clean-up.
--echo #
disconnect conn_11766767;
connection default;
drop user user_11766767;
drop database mysqltest1;
drop database mysqltest2;

# Wait till we reached the initial number of concurrent sessions
--source include/wait_until_count_sessions.inc