--echo #
--echo # MDEV-23102: 10.4 create mariadb.sys user on each update even
--echo # is the user is not needed
--echo #
--echo # part 1: reassigning mysql.user and gis procedures to other user

--source include/mysql_upgrade_preparation.inc

call mtr.add_suppression("Cannot load from mysql.proc. The table is probably corrupted");
create database mysqltest1;
use mysqltest1;
create table save_global_priv as select * from mysql.global_priv;
create table save_tables_priv as select * from mysql.tables_priv;
create table save_proxies_priv as select * from mysql.proxies_priv;
create table mysql.save_proc like mysql.proc;
insert into mysql.save_proc select * from mysql.proc;
set @save_sql_mode= @@sql_mode;

use mysql;

--echo # make changed definition of gis procedures and user view

create user superuser@localhost;
grant all privileges on mysql.* to superuser@localhost;

drop view user;

CREATE DEFINER='superuser'@'localhost' SQL SECURITY DEFINER VIEW IF NOT EXISTS user AS SELECT
  Host,
  User,
  IF(JSON_VALUE(Priv, '$.plugin') IN ('mysql_native_password', 'mysql_old_password'), IFNULL(JSON_VALUE(Priv, '$.authentication_string'), ''), '') AS Password,
  IF(JSON_VALUE(Priv, '$.access') &         1, 'Y', 'N') AS Select_priv,
  IF(JSON_VALUE(Priv, '$.access') &         2, 'Y', 'N') AS Insert_priv,
  IF(JSON_VALUE(Priv, '$.access') &         4, 'Y', 'N') AS Update_priv,
  IF(JSON_VALUE(Priv, '$.access') &         8, 'Y', 'N') AS Delete_priv,
  IF(JSON_VALUE(Priv, '$.access') &        16, 'Y', 'N') AS Create_priv,
  IF(JSON_VALUE(Priv, '$.access') &        32, 'Y', 'N') AS Drop_priv,
  IF(JSON_VALUE(Priv, '$.access') &        64, 'Y', 'N') AS Reload_priv,
  IF(JSON_VALUE(Priv, '$.access') &       128, 'Y', 'N') AS Shutdown_priv,
  IF(JSON_VALUE(Priv, '$.access') &       256, 'Y', 'N') AS Process_priv,
  IF(JSON_VALUE(Priv, '$.access') &       512, 'Y', 'N') AS File_priv,
  IF(JSON_VALUE(Priv, '$.access') &      1024, 'Y', 'N') AS Grant_priv,
  IF(JSON_VALUE(Priv, '$.access') &      2048, 'Y', 'N') AS References_priv,
  IF(JSON_VALUE(Priv, '$.access') &      4096, 'Y', 'N') AS Index_priv,
  IF(JSON_VALUE(Priv, '$.access') &      8192, 'Y', 'N') AS Alter_priv,
  IF(JSON_VALUE(Priv, '$.access') &     16384, 'Y', 'N') AS Show_db_priv,
  IF(JSON_VALUE(Priv, '$.access') &     32768, 'Y', 'N') AS Super_priv,
  IF(JSON_VALUE(Priv, '$.access') &     65536, 'Y', 'N') AS Create_tmp_table_priv,
  IF(JSON_VALUE(Priv, '$.access') &    131072, 'Y', 'N') AS Lock_tables_priv,
  IF(JSON_VALUE(Priv, '$.access') &    262144, 'Y', 'N') AS Execute_priv,
  IF(JSON_VALUE(Priv, '$.access') &    524288, 'Y', 'N') AS Repl_slave_priv,
  IF(JSON_VALUE(Priv, '$.access') &   1048576, 'Y', 'N') AS Repl_client_priv,
  IF(JSON_VALUE(Priv, '$.access') &   2097152, 'Y', 'N') AS Create_view_priv,
  IF(JSON_VALUE(Priv, '$.access') &   4194304, 'Y', 'N') AS Show_view_priv,
  IF(JSON_VALUE(Priv, '$.access') &   8388608, 'Y', 'N') AS Create_routine_priv,
  IF(JSON_VALUE(Priv, '$.access') &  16777216, 'Y', 'N') AS Alter_routine_priv,
  IF(JSON_VALUE(Priv, '$.access') &  33554432, 'Y', 'N') AS Create_user_priv,
  IF(JSON_VALUE(Priv, '$.access') &  67108864, 'Y', 'N') AS Event_priv,
  IF(JSON_VALUE(Priv, '$.access') & 134217728, 'Y', 'N') AS Trigger_priv,
  IF(JSON_VALUE(Priv, '$.access') & 268435456, 'Y', 'N') AS Create_tablespace_priv,
  IF(JSON_VALUE(Priv, '$.access') & 536870912, 'Y', 'N') AS Delete_history_priv,
  ELT(IFNULL(JSON_VALUE(Priv, '$.ssl_type'), 0) + 1, '', 'ANY','X509', 'SPECIFIED') AS ssl_type,
  IFNULL(JSON_VALUE(Priv, '$.ssl_cipher'), '') AS ssl_cipher,
  IFNULL(JSON_VALUE(Priv, '$.x509_issuer'), '') AS x509_issuer,
  IFNULL(JSON_VALUE(Priv, '$.x509_subject'), '') AS x509_subject,
  CAST(IFNULL(JSON_VALUE(Priv, '$.max_questions'), 0) AS UNSIGNED) AS max_questions,
  CAST(IFNULL(JSON_VALUE(Priv, '$.max_updates'), 0) AS UNSIGNED) AS max_updates,
  CAST(IFNULL(JSON_VALUE(Priv, '$.max_connections'), 0) AS UNSIGNED) AS max_connections,
  CAST(IFNULL(JSON_VALUE(Priv, '$.max_user_connections'), 0) AS SIGNED) AS max_user_connections,
  IFNULL(JSON_VALUE(Priv, '$.plugin'), '') AS plugin,
  IFNULL(JSON_VALUE(Priv, '$.authentication_string'), '') AS authentication_string,
  'N' AS password_expired,
  ELT(IFNULL(JSON_VALUE(Priv, '$.is_role'), 0) + 1, 'N', 'Y') AS is_role,
  IFNULL(JSON_VALUE(Priv, '$.default_role'), '') AS default_role,
  CAST(IFNULL(JSON_VALUE(Priv, '$.max_statement_time'), 0.0) AS DECIMAL(12,6)) AS max_statement_time
  FROM global_priv;

SET sql_mode='';

DROP PROCEDURE IF EXISTS mysql.AddGeometryColumn;
DROP PROCEDURE IF EXISTS mysql.DropGeometryColumn;

delimiter |;

CREATE DEFINER=`superuser`@`localhost` PROCEDURE AddGeometryColumn(catalog varchar(64), t_schema varchar(64),
   t_name varchar(64), geometry_column varchar(64), t_srid int) SQL SECURITY INVOKER
begin
  set @qwe= concat('ALTER TABLE ', t_schema, '.', t_name, ' ADD ', geometry_column,' GEOMETRY REF_SYSTEM_ID=', t_srid); PREPARE ls from @qwe; execute ls; deallocate prepare ls; end |

CREATE DEFINER=`superuser`@`localhost` PROCEDURE DropGeometryColumn(catalog varchar(64), t_schema varchar(64),
   t_name varchar(64), geometry_column varchar(64)) SQL SECURITY INVOKER
begin
  set @qwe= concat('ALTER TABLE ', t_schema, '.', t_name, ' DROP ', geometry_column); PREPARE ls from @qwe; execute ls; deallocate prepare ls; end |

delimiter ;|

set @@sql_mode= @save_sql_mode;

drop user 'mariadb.sys'@'localhost';

--echo # check changed definitions mysql_upgrade

SELECT count(*) FROM information_schema.VIEWS WHERE TABLE_CATALOG = 'def'
and TABLE_SCHEMA = 'mysql' and TABLE_NAME='user' and DEFINER = 'superuser@localhost';
SELECT count(*) FROM information_schema.VIEWS WHERE TABLE_CATALOG = 'def' and TABLE_SCHEMA = 'mysql' and TABLE_NAME='user' and DEFINER = 'mariadb.sys@localhost';
SELECT count(*) FROM information_schema.ROUTINES WHERE ROUTINE_CATALOG = 'def' and ROUTINE_SCHEMA = 'mysql' and ROUTINE_NAME='AddGeometryColumn' and DEFINER = 'superuser@localhost';
SELECT count(*) FROM information_schema.ROUTINES WHERE ROUTINE_CATALOG = 'def' and ROUTINE_SCHEMA = 'mysql' and ROUTINE_NAME='AddGeometryColumn' and DEFINER = 'mariadb.sys@localhost';
SELECT count(*) FROM information_schema.ROUTINES WHERE ROUTINE_CATALOG = 'def' and ROUTINE_SCHEMA = 'mysql' and ROUTINE_NAME='DropGeometryColumn' and DEFINER = 'superuser@localhost';
SELECT count(*) FROM information_schema.ROUTINES WHERE ROUTINE_CATALOG = 'def' and ROUTINE_SCHEMA = 'mysql' and ROUTINE_NAME='DropGeometryColumn' and DEFINER = 'mariadb.sys@localhost';

SELECT * FROM information_schema.USER_PRIVILEGES WHERE GRANTEE="'mariadb.sys'@'localhost'";
SELECT * FROM information_schema.TABLE_PRIVILEGES WHERE GRANTEE="'mariadb.sys'@'localhost'";

let $MYSQLD_DATADIR= `select @@datadir`;

--echo # Run mysql_upgrade
--exec $MYSQL_UPGRADE  2>&1
--file_exists $MYSQLD_DATADIR/mysql_upgrade_info
--remove_file $MYSQLD_DATADIR/mysql_upgrade_info

--echo # check new definitions mysql_upgrade

SELECT count(*) FROM information_schema.VIEWS WHERE TABLE_CATALOG = 'def'
and TABLE_SCHEMA = 'mysql' and TABLE_NAME='user' and DEFINER = 'superuser@localhost';
SELECT count(*) FROM information_schema.VIEWS WHERE TABLE_CATALOG = 'def' and TABLE_SCHEMA = 'mysql' and TABLE_NAME='user' and DEFINER = 'mariadb.sys@localhost';
SELECT count(*) FROM information_schema.ROUTINES WHERE ROUTINE_CATALOG = 'def' and ROUTINE_SCHEMA = 'mysql' and ROUTINE_NAME='AddGeometryColumn' and DEFINER = 'superuser@localhost';
SELECT count(*) FROM information_schema.ROUTINES WHERE ROUTINE_CATALOG = 'def' and ROUTINE_SCHEMA = 'mysql' and ROUTINE_NAME='AddGeometryColumn' and DEFINER = 'mariadb.sys@localhost';
SELECT count(*) FROM information_schema.ROUTINES WHERE ROUTINE_CATALOG = 'def' and ROUTINE_SCHEMA = 'mysql' and ROUTINE_NAME='DropGeometryColumn' and DEFINER = 'superuser@localhost';
SELECT count(*) FROM information_schema.ROUTINES WHERE ROUTINE_CATALOG = 'def' and ROUTINE_SCHEMA = 'mysql' and ROUTINE_NAME='DropGeometryColumn' and DEFINER = 'mariadb.sys@localhost';

select count(*) from global_priv where user='mariadb.sys' and host='localhost';
--echo # above should be 0 (no mariadb.sys@localhost user)

--echo # restore environment

DROP USER 'superuser'@'localhost';
DROP VIEW mysql.user;
DROP PROCEDURE AddGeometryColumn;
DROP PROCEDURE DropGeometryColumn;
--exec $MYSQL_UPGRADE  2>&1
--file_exists $MYSQLD_DATADIR/mysql_upgrade_info
--remove_file $MYSQLD_DATADIR/mysql_upgrade_info

delete from global_priv;
delete from tables_priv;
delete from proxies_priv;
delete from proc;
insert into mysql.global_priv select * from mysqltest1.save_global_priv;
insert into mysql.tables_priv select * from mysqltest1.save_tables_priv;
insert into mysql.proxies_priv select * from mysqltest1.save_proxies_priv;
rename table proc to bad_proc;
rename table save_proc to proc;
drop table bad_proc;
flush privileges;

disconnect default;
connect  default,localhost,root,,;
connection default;

drop database mysqltest1;

--echo # End of 10.4 tests (but better do not add other tests here)
