mariadb/mysql-test/main/mysqldump-system.test

--source include/not_embedded.inc
--source include/have_innodb.inc
--source include/have_udf.inc
--source include/platform.inc

--echo #
--echo # MDEV-23630: mysqldump to logically dump system tables
--echo #
--echo #

create table backup_users like mysql.global_priv;
create table tables_priv like mysql.tables_priv;
insert into backup_users select * from mysql.global_priv;
insert into tables_priv select * from mysql.tables_priv;
delete from mysql.global_priv where host not in ('localhost');
flush privileges;

# mariadb.sys because of MDEV-24098
alter user 'mariadb.sys'@'localhost' ACCOUNT UNLOCK;
create user USER;

# time zone data already loaded

CREATE ROLE role_1;
CREATE ROLE role_2 WITH ADMIN role_1;

GRANT SHOW DATABASES ON *.* TO role_1;
GRANT role_1 TO USER;
GRANT role_2 TO USER;
SET DEFAULT ROLE role_2 FOR USER;

ALTER TABLE mysql.roles_mapping ORDER BY Host, User, Role;

# innodb and EITS tables statistics
#
set @save_innodb_stats_persistent= @@innodb_stats_persistent;
create table mysql.tz like mysql.time_zone_transition;
alter table mysql.tz engine=innodb;
insert into mysql.tz select * from mysql.time_zone_transition;
set global innodb_stats_persistent=1;
ANALYZE TABLE mysql.tz PERSISTENT FOR ALL;
# for predictable output in tests
delete from mysql.index_stats where prefix_arity!=1;
delete from mysql.column_stats where column_name!='Time_zone_id';
set time_zone="+03:00";
update mysql.innodb_index_stats set last_update="2020-01-01" where database_name="mysql" and table_name="tz";
update mysql.innodb_table_stats set last_update="2020-01-01" where database_name="mysql" and table_name="tz";
set global innodb_stats_persistent= @save_innodb_stats_persistent;
alter table mysql.time_zone_name ORDER BY Name;

CREATE SERVER s1 FOREIGN DATA WRAPPER mysql OPTIONS(Host 'localhost');

--replace_result $UDF_EXAMPLE_SO UDF_EXAMPLE_LIB
eval CREATE FUNCTION metaphon RETURNS STRING SONAME "$UDF_EXAMPLE_SO";


#
# Lets actually do some tests.
#

--echo #
--echo # mysqldump of system tables with --system=all
--echo #

--replace_result $UDF_EXAMPLE_SO UDF_EXAMPLE_LIB
--exec $MYSQL_DUMP --skip-comments --system=all


--echo #
--echo # mysqldump of system tables with --system=all --replace
--echo #

--replace_result $UDF_EXAMPLE_SO UDF_EXAMPLE_LIB
--exec $MYSQL_DUMP --skip-comments --system=all --replace


# save this for restore
--exec $MYSQL_DUMP --system=users,servers,stats,timezones,udfs --replace > $MYSQLTEST_VARDIR/tmp/dump1.sql

--echo #
--echo # mysqldump of system tables with --system=all --insert-ignore
--echo #

--replace_result $UDF_EXAMPLE_SO UDF_EXAMPLE_LIB
--exec $MYSQL_DUMP --skip-comments --system=all --insert-ignore


# global_priv checksum not restored because:
# mariadb.sys - different Priv on restore
# password_last_changed date isn't saved/restored
# root user's Priv $.access lower number on restore

--replace_regex /"password_last_changed":[0-9]+/"password_last_changed":NOW/
SELECT * FROM mysql.global_priv ORDER BY User,Host;

CHECKSUM TABLE mysql.roles_mapping, mysql.time_zone_transition, mysql.plugin,
    mysql.servers, mysql.func, mysql.innodb_table_stats, mysql.table_stats;

--echo # Opps....

CREATE USER mariadb_test_restore IDENTIFIED BY 'getitback';
GRANT ALL ON *.* TO mariadb_test_restore WITH GRANT OPTION;
GRANT PROXY ON ''@'%' TO mariadb_test_restore WITH GRANT OPTION;
GRANT SUPER, CREATE USER /*M!100502 ,FEDERATED ADMIN */ ON *.* TO mariadb_test_restore WITH GRANT OPTION;

drop user USER;
delete from mysql.table_stats;
delete from mysql.innodb_table_stats;
delete from mysql.time_zone_transition;
delete from mysql.time_zone_transition_type;
delete from mysql.time_zone;
delete from mysql.time_zone_name;
delete from mysql.time_zone_leap_second;
DROP FUNCTION IF EXISTS metaphon;
DROP SERVER s1;
set time_zone= @@global.time_zone;

--echo # Restore from mysqldump
--exec $MYSQL --user mariadb_test_restore --password=getitback --show-warnings  < $MYSQLTEST_VARDIR/tmp/dump1.sql

DROP USER mariadb_test_restore;

# successful restore?

--replace_regex /"password_last_changed":[0-9]+/"password_last_changed":NOW/
SELECT * FROM mysql.global_priv ORDER BY User,Host;

CHECKSUM TABLE mysql.roles_mapping, mysql.time_zone_transition, mysql.plugin,
    mysql.servers, mysql.func, mysql.innodb_table_stats, mysql.table_stats;

#
# Cleanup
#

DROP FUNCTION IF EXISTS metaphon;

DROP SERVER s1;

# EITS && innodb stats
DELETE FROM mysql.column_stats WHERE db_name='mysql' and table_name in ('tz', 'gtid_slave_pos');
DELETE FROM mysql.index_stats  WHERE db_name='mysql' and table_name in ('tz', 'gtid_slave_pos');
DELETE FROM mysql.table_stats  WHERE db_name='mysql' and table_name in ('tz', 'gtid_slave_pos');
DELETE FROM mysql.innodb_index_stats WHERE database_name='mysql' and table_name in ('tz','gtid_slave_pos');
DELETE FROM mysql.innodb_table_stats WHERE database_name='mysql' and table_name in ('tz','gtid_slave_pos');
drop table mysql.tz;

DROP ROLE role_2;
DROP ROLE role_1;

drop user USER;

replace into mysql.global_priv select * from backup_users;
replace into mysql.tables_priv select * from tables_priv;
flush privileges;
drop table backup_users, tables_priv;