source include/not_embedded.inc;
source include/have_perfschema.inc;
#
# LOCK TABLES and privileges on views
#
create database mysqltest1;
create database mysqltest2;
create database mysqltest3;
create user invoker@localhost;
create user definer@localhost;
grant select,show view on mysqltest1.* to invoker@localhost;
grant select,show view on mysqltest1.* to definer@localhost;
grant select,show view on mysqltest2.* to invoker@localhost;
grant select,show view on mysqltest2.* to definer@localhost;
grant select,show view on mysqltest3.* to invoker@localhost;
grant select on performance_schema.* to definer@localhost;
create table mysqltest1.t1 (a int);
create definer=definer@localhost view mysqltest2.v2 as select * from mysqltest1.t1;
create definer=definer@localhost view mysqltest3.v3 as select * from mysqltest2.v2;
create definer=definer@localhost view mysqltest3.v3is as select schema_name from information_schema.schemata order by schema_name;
create definer=definer@localhost view mysqltest3.v3ps as select user from performance_schema.users where current_connections>0 order by user;
create definer=definer@localhost view mysqltest3.v3nt as select 1;
create definer=definer@localhost sql security invoker view mysqltest3.v3i as select * from mysqltest1.t1;

exec $MYSQL_DUMP --compact -B mysqltest1 mysqltest2 mysqltest3;

connect inv,localhost,invoker;
error ER_DBACCESS_DENIED_ERROR;
lock table mysqltest3.v3 write;
disconnect inv;
connection default;

grant lock tables on mysqltest3.* to invoker@localhost;
connect inv,localhost,invoker;
show create view mysqltest3.v3;
show create view mysqltest3.v3is;
show create view mysqltest3.v3ps;
show create view mysqltest3.v3nt;
show create view mysqltest3.v3i;
error ER_VIEW_INVALID;
lock table mysqltest3.v3 write;
error ER_VIEW_INVALID;
lock table mysqltest3.v3i write;
lock table mysqltest3.v3is write; select * from mysqltest3.v3is;
lock table mysqltest3.v3ps write; select * from mysqltest3.v3ps;
lock table mysqltest3.v3nt write; select * from mysqltest3.v3nt;
disconnect inv;
connection default;

grant lock tables on mysqltest2.* to invoker@localhost;
connect inv,localhost,invoker;
error ER_VIEW_INVALID;
lock table mysqltest3.v3 write;
error ER_VIEW_INVALID;
lock table mysqltest3.v3i write;
disconnect inv;
connection default;

grant lock tables on mysqltest1.* to definer@localhost;
connect inv,localhost,invoker;
lock table mysqltest3.v3 write; select * from mysqltest3.v3;
error ER_VIEW_INVALID;
lock table mysqltest3.v3i write;
disconnect inv;
connection default;

grant lock tables on mysqltest1.* to invoker@localhost;
connect inv,localhost,invoker;
lock table mysqltest3.v3i write; select * from mysqltest3.v3i;
disconnect inv;
connection default;

drop user invoker@localhost;
drop user definer@localhost;
drop database mysqltest1;
drop database mysqltest2;
drop database mysqltest3;

--echo #
--echo # MDEV-24331 mysqldump fails with "Got error: 1356" if the database contains a view with a subquery
--echo #
create user u1@localhost;
grant all privileges on test.* to u1@localhost;
connect con1,localhost,u1;
use test;
create table t1 (id int not null);
create view v1 as select * from (select * from t1) dt;
lock table v1 read;
disconnect con1;
connection default;
exec $MYSQL_DUMP test v1 -uu1 --compact;
drop view v1;
drop table t1;
drop user u1@localhost;