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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;

CREATE DATABASE /*!32312 IF NOT EXISTS*/ `mysqltest1` /*!40100 DEFAULT CHARACTER SET latin1 */;

USE `mysqltest1`;
/*!40101 SET @saved_cs_client     = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
/*!40101 SET character_set_client = @saved_cs_client */;

CREATE DATABASE /*!32312 IF NOT EXISTS*/ `mysqltest2` /*!40100 DEFAULT CHARACTER SET latin1 */;

USE `mysqltest2`;
SET @saved_cs_client     = @@character_set_client;
SET character_set_client = utf8;
/*!50001 CREATE TABLE `v2` (
  `a` tinyint NOT NULL
) ENGINE=MyISAM */;
SET character_set_client = @saved_cs_client;

CREATE DATABASE /*!32312 IF NOT EXISTS*/ `mysqltest3` /*!40100 DEFAULT CHARACTER SET latin1 */;

USE `mysqltest3`;
SET @saved_cs_client     = @@character_set_client;
SET character_set_client = utf8;
/*!50001 CREATE TABLE `v3` (
  `a` tinyint NOT NULL
) ENGINE=MyISAM */;
SET character_set_client = @saved_cs_client;
SET @saved_cs_client     = @@character_set_client;
SET character_set_client = utf8;
/*!50001 CREATE TABLE `v3i` (
  `a` tinyint NOT NULL
) ENGINE=MyISAM */;
SET character_set_client = @saved_cs_client;
SET @saved_cs_client     = @@character_set_client;
SET character_set_client = utf8;
/*!50001 CREATE TABLE `v3is` (
  `schema_name` tinyint NOT NULL
) ENGINE=MyISAM */;
SET character_set_client = @saved_cs_client;
SET @saved_cs_client     = @@character_set_client;
SET character_set_client = utf8;
/*!50001 CREATE TABLE `v3nt` (
  `1` tinyint NOT NULL
) ENGINE=MyISAM */;
SET character_set_client = @saved_cs_client;
SET @saved_cs_client     = @@character_set_client;
SET character_set_client = utf8;
/*!50001 CREATE TABLE `v3ps` (
  `user` tinyint NOT NULL
) ENGINE=MyISAM */;
SET character_set_client = @saved_cs_client;

USE `mysqltest1`;

USE `mysqltest2`;
/*!50001 DROP TABLE IF EXISTS `v2`*/;
/*!50001 SET @saved_cs_client          = @@character_set_client */;
/*!50001 SET @saved_cs_results         = @@character_set_results */;
/*!50001 SET @saved_col_connection     = @@collation_connection */;
/*!50001 SET character_set_client      = latin1 */;
/*!50001 SET character_set_results     = latin1 */;
/*!50001 SET collation_connection      = latin1_swedish_ci */;
/*!50001 CREATE ALGORITHM=UNDEFINED */
/*!50013 DEFINER=`definer`@`localhost` SQL SECURITY DEFINER */
/*!50001 VIEW `v2` AS select `mysqltest1`.`t1`.`a` AS `a` from `mysqltest1`.`t1` */;
/*!50001 SET character_set_client      = @saved_cs_client */;
/*!50001 SET character_set_results     = @saved_cs_results */;
/*!50001 SET collation_connection      = @saved_col_connection */;

USE `mysqltest3`;
/*!50001 DROP TABLE IF EXISTS `v3`*/;
/*!50001 SET @saved_cs_client          = @@character_set_client */;
/*!50001 SET @saved_cs_results         = @@character_set_results */;
/*!50001 SET @saved_col_connection     = @@collation_connection */;
/*!50001 SET character_set_client      = latin1 */;
/*!50001 SET character_set_results     = latin1 */;
/*!50001 SET collation_connection      = latin1_swedish_ci */;
/*!50001 CREATE ALGORITHM=UNDEFINED */
/*!50013 DEFINER=`definer`@`localhost` SQL SECURITY DEFINER */
/*!50001 VIEW `v3` AS select `v2`.`a` AS `a` from `mysqltest2`.`v2` */;
/*!50001 SET character_set_client      = @saved_cs_client */;
/*!50001 SET character_set_results     = @saved_cs_results */;
/*!50001 SET collation_connection      = @saved_col_connection */;
/*!50001 DROP TABLE IF EXISTS `v3i`*/;
/*!50001 SET @saved_cs_client          = @@character_set_client */;
/*!50001 SET @saved_cs_results         = @@character_set_results */;
/*!50001 SET @saved_col_connection     = @@collation_connection */;
/*!50001 SET character_set_client      = latin1 */;
/*!50001 SET character_set_results     = latin1 */;
/*!50001 SET collation_connection      = latin1_swedish_ci */;
/*!50001 CREATE ALGORITHM=UNDEFINED */
/*!50013 DEFINER=`definer`@`localhost` SQL SECURITY INVOKER */
/*!50001 VIEW `v3i` AS select `mysqltest1`.`t1`.`a` AS `a` from `mysqltest1`.`t1` */;
/*!50001 SET character_set_client      = @saved_cs_client */;
/*!50001 SET character_set_results     = @saved_cs_results */;
/*!50001 SET collation_connection      = @saved_col_connection */;
/*!50001 DROP TABLE IF EXISTS `v3is`*/;
/*!50001 SET @saved_cs_client          = @@character_set_client */;
/*!50001 SET @saved_cs_results         = @@character_set_results */;
/*!50001 SET @saved_col_connection     = @@collation_connection */;
/*!50001 SET character_set_client      = latin1 */;
/*!50001 SET character_set_results     = latin1 */;
/*!50001 SET collation_connection      = latin1_swedish_ci */;
/*!50001 CREATE ALGORITHM=UNDEFINED */
/*!50013 DEFINER=`definer`@`localhost` SQL SECURITY DEFINER */
/*!50001 VIEW `v3is` AS select `information_schema`.`schemata`.`SCHEMA_NAME` AS `schema_name` from `information_schema`.`schemata` order by `information_schema`.`schemata`.`SCHEMA_NAME` */;
/*!50001 SET character_set_client      = @saved_cs_client */;
/*!50001 SET character_set_results     = @saved_cs_results */;
/*!50001 SET collation_connection      = @saved_col_connection */;
/*!50001 DROP TABLE IF EXISTS `v3nt`*/;
/*!50001 SET @saved_cs_client          = @@character_set_client */;
/*!50001 SET @saved_cs_results         = @@character_set_results */;
/*!50001 SET @saved_col_connection     = @@collation_connection */;
/*!50001 SET character_set_client      = latin1 */;
/*!50001 SET character_set_results     = latin1 */;
/*!50001 SET collation_connection      = latin1_swedish_ci */;
/*!50001 CREATE ALGORITHM=UNDEFINED */
/*!50013 DEFINER=`definer`@`localhost` SQL SECURITY DEFINER */
/*!50001 VIEW `v3nt` AS select 1 AS `1` */;
/*!50001 SET character_set_client      = @saved_cs_client */;
/*!50001 SET character_set_results     = @saved_cs_results */;
/*!50001 SET collation_connection      = @saved_col_connection */;
/*!50001 DROP TABLE IF EXISTS `v3ps`*/;
/*!50001 SET @saved_cs_client          = @@character_set_client */;
/*!50001 SET @saved_cs_results         = @@character_set_results */;
/*!50001 SET @saved_col_connection     = @@collation_connection */;
/*!50001 SET character_set_client      = latin1 */;
/*!50001 SET character_set_results     = latin1 */;
/*!50001 SET collation_connection      = latin1_swedish_ci */;
/*!50001 CREATE ALGORITHM=UNDEFINED */
/*!50013 DEFINER=`definer`@`localhost` SQL SECURITY DEFINER */
/*!50001 VIEW `v3ps` AS select `performance_schema`.`users`.`USER` AS `user` from `performance_schema`.`users` where `performance_schema`.`users`.`CURRENT_CONNECTIONS` > 0 order by `performance_schema`.`users`.`USER` */;
/*!50001 SET character_set_client      = @saved_cs_client */;
/*!50001 SET character_set_results     = @saved_cs_results */;
/*!50001 SET collation_connection      = @saved_col_connection */;
connect inv,localhost,invoker;
lock table mysqltest3.v3 write;
ERROR 42000: Access denied for user 'invoker'@'localhost' to database 'mysqltest3'
disconnect inv;
connection default;
grant lock tables on mysqltest3.* to invoker@localhost;
connect inv,localhost,invoker;
show create view mysqltest3.v3;
View	Create View	character_set_client	collation_connection
v3	CREATE ALGORITHM=UNDEFINED DEFINER=`definer`@`localhost` SQL SECURITY DEFINER VIEW `mysqltest3`.`v3` AS select `v2`.`a` AS `a` from `mysqltest2`.`v2`	latin1	latin1_swedish_ci
show create view mysqltest3.v3is;
View	Create View	character_set_client	collation_connection
v3is	CREATE ALGORITHM=UNDEFINED DEFINER=`definer`@`localhost` SQL SECURITY DEFINER VIEW `mysqltest3`.`v3is` AS select `information_schema`.`schemata`.`SCHEMA_NAME` AS `schema_name` from `information_schema`.`schemata` order by `information_schema`.`schemata`.`SCHEMA_NAME`	latin1	latin1_swedish_ci
show create view mysqltest3.v3ps;
View	Create View	character_set_client	collation_connection
v3ps	CREATE ALGORITHM=UNDEFINED DEFINER=`definer`@`localhost` SQL SECURITY DEFINER VIEW `mysqltest3`.`v3ps` AS select `performance_schema`.`users`.`USER` AS `user` from `performance_schema`.`users` where `performance_schema`.`users`.`CURRENT_CONNECTIONS` > 0 order by `performance_schema`.`users`.`USER`	latin1	latin1_swedish_ci
show create view mysqltest3.v3nt;
View	Create View	character_set_client	collation_connection
v3nt	CREATE ALGORITHM=UNDEFINED DEFINER=`definer`@`localhost` SQL SECURITY DEFINER VIEW `mysqltest3`.`v3nt` AS select 1 AS `1`	latin1	latin1_swedish_ci
show create view mysqltest3.v3i;
View	Create View	character_set_client	collation_connection
v3i	CREATE ALGORITHM=UNDEFINED DEFINER=`definer`@`localhost` SQL SECURITY INVOKER VIEW `mysqltest3`.`v3i` AS select `mysqltest1`.`t1`.`a` AS `a` from `mysqltest1`.`t1`	latin1	latin1_swedish_ci
lock table mysqltest3.v3 write;
ERROR HY000: View 'mysqltest3.v3' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
lock table mysqltest3.v3i write;
ERROR HY000: View 'mysqltest3.v3i' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
lock table mysqltest3.v3is write;
select * from mysqltest3.v3is;
schema_name
information_schema
mysqltest1
mysqltest2
performance_schema
test
lock table mysqltest3.v3ps write;
select * from mysqltest3.v3ps;
user
NULL
invoker
root
lock table mysqltest3.v3nt write;
select * from mysqltest3.v3nt;
1
1
disconnect inv;
connection default;
grant lock tables on mysqltest2.* to invoker@localhost;
connect inv,localhost,invoker;
lock table mysqltest3.v3 write;
ERROR HY000: View 'mysqltest3.v3' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
lock table mysqltest3.v3i write;
ERROR HY000: View 'mysqltest3.v3i' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
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;
a
lock table mysqltest3.v3i write;
ERROR HY000: View 'mysqltest3.v3i' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
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;
a
disconnect inv;
connection default;
drop user invoker@localhost;
drop user definer@localhost;
drop database mysqltest1;
drop database mysqltest2;
drop database mysqltest3;
#
# MDEV-24331 mysqldump fails with "Got error: 1356" if the database contains a view with a subquery
#
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;
SET @saved_cs_client     = @@character_set_client;
SET character_set_client = utf8;
/*!50001 CREATE TABLE `v1` (
  `id` tinyint NOT NULL
) ENGINE=MyISAM */;
SET character_set_client = @saved_cs_client;
/*!50001 DROP TABLE IF EXISTS `v1`*/;
/*!50001 SET @saved_cs_client          = @@character_set_client */;
/*!50001 SET @saved_cs_results         = @@character_set_results */;
/*!50001 SET @saved_col_connection     = @@collation_connection */;
/*!50001 SET character_set_client      = latin1 */;
/*!50001 SET character_set_results     = latin1 */;
/*!50001 SET collation_connection      = latin1_swedish_ci */;
/*!50001 CREATE ALGORITHM=UNDEFINED */
/*!50013 DEFINER=`u1`@`localhost` SQL SECURITY DEFINER */
/*!50001 VIEW `v1` AS select `dt`.`id` AS `id` from (select `t1`.`id` AS `id` from `t1`) `dt` */;
/*!50001 SET character_set_client      = @saved_cs_client */;
/*!50001 SET character_set_results     = @saved_cs_results */;
/*!50001 SET collation_connection      = @saved_col_connection */;
drop view v1;
drop table t1;
drop user u1@localhost;