mariadb/mysql-test/main/information_schema_db.test
Sergei Golubchik e3d9369774 cleanup: disconnect before DROP USER
let's always disconnect a user connection before dropping the said user.
MariaDB is traditionally very tolerant to active connections
of the dropped user, which isn't the case for most other databases.

Let's avoid unintentionally spreading incompatible behavior
and disconnect before drop.

Except in cases when the test specifically tests such a behavior.
2025-07-16 09:14:33 +07:00

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# this test mostly test privilege control (what doesn't work
# in the embedded server by default). So skip the test in embedded-server mode.
-- source include/not_embedded.inc
-- source include/have_innodb.inc
-- source include/testdb_only.inc
set local sql_mode="";
set global sql_mode="";
--replace_result 'Tables_in_INFORMATION_SCHEMA (T%)' 'Tables_in_information_schema (T%)'
--sorted_result
show tables from INFORMATION_SCHEMA like 'T%';
create database `inf%`;
create database mbase;
use `inf%`;
show tables;
--echo #
--echo # Bug#18113 SELECT * FROM information_schema.xxx crashes server
--echo # Bug#17204 second CALL to procedure crashes Server
--echo #
# Crash happened when one selected data from one of INFORMATION_SCHEMA
# tables and in order to build its contents server had to open view which
# used stored function and table or view on which one had not global or
# database-level privileges (e.g. had only table-level or had no
# privileges at all).
#
--disable_view_protocol
grant all privileges on `inf%`.* to 'mysqltest_1'@'localhost';
grant all privileges on `mbase`.* to 'mysqltest_1'@'localhost';
create table t1 (f1 int);
delimiter |;
--enable_prepare_warnings
create function func1(curr_int int) returns int
begin
declare ret_val int;
select max(f1) from t1 into ret_val;
return ret_val;
end|
--disable_prepare_warnings
delimiter ;|
create view v1 as select f1 from t1 where f1 = func1(f1);
create function func2() returns int return 1;
use mbase;
delimiter |;
create procedure p1 ()
begin
select table_name from information_schema.key_column_usage
order by table_name;
end|
delimiter ;|
create table t1
(f1 int(10) unsigned not null,
f2 varchar(100) not null,
primary key (f1), unique key (f2));
connect (user1,localhost,mysqltest_1,,"*NO-ONE*");
connection user1;
--disable_result_log
select * from information_schema.tables;
call mbase.p1();
call mbase.p1();
call mbase.p1();
--enable_result_log
connection default;
disconnect user1;
use `inf%`;
drop user mysqltest_1@localhost;
drop table t1;
select table_name, table_type, table_comment from information_schema.tables
where table_schema='inf%' and func2();
select table_name, table_type, table_comment from information_schema.tables
where table_schema='inf%' and func2();
drop view v1;
drop function func1;
drop function func2;
drop database `inf%`;
drop procedure mbase.p1;
drop database mbase;
--echo #
--echo # Bug#18282 INFORMATION_SCHEMA.TABLES provides inconsistent info about invalid views
--echo #
use test;
create table t1 (i int);
create function f1 () returns int return (select max(i) from t1);
create view v1 as select f1();
create table t2 (id int);
create function f2 () returns int return (select max(i) from t2);
create view v2 as select f2();
drop table t2;
select table_name, table_type, table_comment from information_schema.tables
where table_schema='test' order by table_name;
drop table t1;
select table_name, table_type, table_comment from information_schema.tables
where table_schema='test' order by table_name;
drop function f1;
drop function f2;
drop view v1, v2;
--enable_view_protocol
--echo #
--echo # Bug#20543 select on information_schema strange warnings, view, different
--echo # schemas/users
--echo #
--disable_service_connection
create database testdb_1;
create user testdb_1@localhost;
grant all on testdb_1.* to testdb_1@localhost with grant option;
create user testdb_2@localhost;
grant all on test.* to testdb_2@localhost with grant option;
connect (testdb_1,localhost,testdb_1,,testdb_1);
create table t1 (f1 char(4));
create view v1 as select f1 from t1;
grant insert on v1 to testdb_2@localhost;
create view v5 as select f1 from t1;
grant select, show view on v5 to testdb_2@localhost;
--error ER_SPECIFIC_ACCESS_DENIED_ERROR
create definer=`no_such_user`@`no_such_host` view v6 as select f1 from t1;
connection default;
use testdb_1;
create view v6 as select f1 from t1;
grant select, show view on v6 to testdb_2@localhost;
create table t2 (f1 char(4));
create definer=`no_such_user`@`no_such_host` view v7 as select * from t2;
show fields from testdb_1.v6;
show create view testdb_1.v6;
show create view testdb_1.v7;
show fields from testdb_1.v7;
connection testdb_1;
create table t3 (f1 char(4), f2 char(4));
create view v3 as select f1,f2 from t3;
grant insert(f1), insert(f2) on v3 to testdb_2@localhost;
connect (testdb_2,localhost,testdb_2,,test);
create view v2 as select f1 from testdb_1.v1;
create view v4 as select f1,f2 from testdb_1.v3;
show fields from testdb_1.v5;
show create view testdb_1.v5;
show fields from testdb_1.v6;
show create view testdb_1.v6;
connection testdb_1;
show fields from testdb_1.v7;
show create view testdb_1.v7;
revoke insert(f1) on v3 from testdb_2@localhost;
revoke select,show view on v5 from testdb_2@localhost;
connection default;
use testdb_1;
revoke select,show view on v6 from testdb_2@localhost;
connection testdb_2;
--error ER_TABLEACCESS_DENIED_ERROR
show fields from testdb_1.v5;
--error ER_TABLEACCESS_DENIED_ERROR
show create view testdb_1.v5;
--error ER_TABLEACCESS_DENIED_ERROR
show fields from testdb_1.v6;
--error ER_TABLEACCESS_DENIED_ERROR
show create view testdb_1.v6;
--error ER_TABLEACCESS_DENIED_ERROR
show fields from testdb_1.v7;
--error ER_TABLEACCESS_DENIED_ERROR
show create view testdb_1.v7;
show create view v4;
#--error ER_VIEW_NO_EXPLAIN
show fields from v4;
show fields from v2;
show fields from testdb_1.v1;
show create view v2;
--error ER_TABLEACCESS_DENIED_ERROR
show create view testdb_1.v1;
select table_name from information_schema.columns a
where a.table_name = 'v2';
select view_definition from information_schema.views a
where a.table_name = 'v2';
select view_definition from information_schema.views a
where a.table_name = 'testdb_1.v1';
--error ER_VIEW_INVALID
select * from v2;
connection default;
use test;
drop view testdb_1.v1, v2, testdb_1.v3, v4;
drop database testdb_1;
disconnect testdb_1;
disconnect testdb_2;
connection default;
drop user testdb_1@localhost;
drop user testdb_2@localhost;
--echo #
--echo # Bug#22763 Disrepancy between SHOW CREATE VIEW and I_S.VIEWS
--echo #
create database testdb_1;
create table testdb_1.t1 (a int);
create view testdb_1.v1 as select * from testdb_1.t1;
grant show view on testdb_1.* to mysqltest_1@localhost;
grant select on testdb_1.v1 to mysqltest_1@localhost;
connect (user1,localhost,mysqltest_1,,"*NO-ONE*");
connection user1;
select table_schema, table_name, view_definition from information_schema.views
where table_name='v1';
show create view testdb_1.v1;
connection default;
revoke select on testdb_1.v1 from mysqltest_1@localhost;
connection user1;
select table_schema, table_name, view_definition from information_schema.views
where table_name='v1';
--error ER_TABLEACCESS_DENIED_ERROR
show create view testdb_1.v1;
connection default;
disconnect user1;
drop user mysqltest_1@localhost;
drop database testdb_1;
set global sql_mode=default;
--echo #
--echo # MDEV-20549 SQL SECURITY DEFINER does not work for INFORMATION_SCHEMA tables
--echo #
create user foo@localhost;
grant select on test.* to foo@localhost;
create procedure rootonly() select 1;
create sql security definer view v1d as select current_user(),user from information_schema.processlist where command!='daemon';
create sql security invoker view v1i as select current_user(),user from information_schema.processlist where command!='daemon';
create sql security definer view v2d as select table_name from information_schema.tables where table_schema='mysql' and table_name like '%user%';
create sql security invoker view v2i as select table_name from information_schema.tables where table_schema='mysql' and table_name like '%user%';
create sql security definer view v3d as select schema_name from information_schema.schemata where schema_name like '%mysql%';
create sql security invoker view v3i as select schema_name from information_schema.schemata where schema_name like '%mysql%';
create sql security definer view v4d as select routine_name from information_schema.routines where routine_schema='test';
create sql security invoker view v4i as select routine_name from information_schema.routines where routine_schema='test';
create sql security definer view v5d as select view_definition > '' from information_schema.views where table_name='v1d';
create sql security invoker view v5i as select view_definition > '' from information_schema.views where table_name='v1d';
connect foo,localhost,foo;
select * from v1d;
select * from v1i;
select * from v2d;
select * from v2i;
select * from v3d;
select * from v3i;
select * from v4d;
select * from v4i;
select * from v5d;
select * from v5i;
connection default;
select * from v1d;
select * from v1i;
select * from v2d;
select * from v2i;
select * from v3d;
select * from v3i;
select * from v4d;
select * from v4i;
select * from v5d;
select * from v5i;
disconnect foo;
drop view v1d, v1i, v2d, v2i, v3d, v3i, v4d, v4i, v5d, v5i;
drop user foo@localhost;
drop procedure rootonly;
--enable_service_connection
--echo #
--echo # End of 10.2 tests
--echo #
--echo #
--echo # MDEV-32500 Information schema leaks table names and structure to unauthorized users
--echo #
create database db;
create table db.t1 (x int, key(x)) engine=InnoDB;
create table db.t2 (a int, b int, c int, unique(b), check(c>b), foreign key(c) references db.t1(x)) engine=InnoDB;
create table db.t3 (d int, e int, f int, unique(e), check(f>e), foreign key(f) references db.t1(x),
foreign key(e) references db.t2(b),
foreign key(d) references db.t3(f)
) engine=InnoDB;
create user u@localhost;
grant select (a) on db.t2 to u@localhost;
grant update (d) on db.t3 to u@localhost;
--connect con1,localhost,u,,db
--sorted_result
select table_name, column_name from information_schema.columns where table_name like 't_';
select table_name, column_name from information_schema.key_column_usage where table_name like 't_';
select table_name, unique_constraint_name, referenced_table_name from information_schema.referential_constraints where table_name like 't_';
select table_name, constraint_name, constraint_type from information_schema.table_constraints where table_name like 't_';
show index in t2;
show index in t3;
--disconnect con1
--connection default
drop user u@localhost;
drop database db;
--echo #
--echo # End of 10.4 tests
--echo #
--echo #
--echo # MDEV-23729 INFORMATION_SCHEMA Table info. about user locked due to
--echo # max_password_errors
--echo #
--echo # MDEV-32218 message to notify end-user N-days prior the password get
--echo # expired
--echo #
--disable_service_connection
set @old_max_password_errors=@@max_password_errors;
set global max_password_errors=2;
# must use replace_regex for case insensitive replacement
let $hostname_re= `select concat('/@\'', @@hostname, '\'/@HOSTNAME/i')`;
# set the password_last_changed value
set timestamp= unix_timestamp('2020-01-02 2:3:4');
create user nice_user;
create user naughty_user identified by 'naughty_user_passwd';
alter user naughty_user password expire interval 10 day;
--sorted_result
--replace_regex $hostname_re
eval select * from information_schema.users;
alter user nice_user password expire interval 10 day;
--sorted_result
--replace_regex $hostname_re
select * from information_schema.users;
--replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
--error ER_ACCESS_DENIED_ERROR
connect(con1, localhost, naughty_user, wrong_passwd);
--sorted_result
--replace_regex $hostname_re
select * from information_schema.users;
--replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
--error ER_ACCESS_DENIED_ERROR
connect(con1, localhost, naughty_user, wrong_passwd);
--sorted_result
--replace_regex $hostname_re
select * from information_schema.users;
--echo # Show all users that are blocked due to max_password_errors reached.
select user from information_schema.users
where password_errors >= @@global.max_password_errors;
set global max_password_errors=3;
connect(con1, localhost, naughty_user, naughty_user_passwd);
connection default;
--sorted_result
--replace_regex $hostname_re
select * from information_schema.users;
disconnect con1;
--echo # test FLUSH PRIVILEGES
--replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
--error ER_ACCESS_DENIED_ERROR
connect(con1, localhost, naughty_user, wrong_passwd);
select * from information_schema.users where user like '''naughty%';
flush privileges;
select * from information_schema.users where user like '''naughty%';
--echo # Test unprivileged output
connect(con2, localhost, nice_user);
set timestamp= unix_timestamp('2020-01-02 2:3:4');
# timestamp was normal at the login moment, so the password was expired
set password= password('nice_passwd');
--sorted_result
--replace_regex $hostname_re
select * from information_schema.users;
--echo # Delete user while some connection is still alive, then select.
connection default;
drop user nice_user;
connection con2;
# and here you are, select from your table
--error ER_INVALID_CURRENT_USER
select * from information_schema.users;
disconnect con2;
connection default;
drop user naughty_user;
set global max_password_errors=@old_max_password_errors;
--echo # more password expiration tests
set global default_password_lifetime= 2;
create user u1@localhost password expire;
create user u2@localhost password expire default;
create user u3@localhost password expire interval 10 day;
create user u4@localhost password expire interval 20 day;
create user u5@localhost password expire never;
set timestamp= unix_timestamp('2020-01-17 2:3:4');
select * from information_schema.users where user like '''u_''%';
set global default_password_lifetime= default;
select * from information_schema.users where user like '''u_''%';
drop user u1@localhost;
drop user u2@localhost;
drop user u3@localhost;
drop user u4@localhost;
drop user u5@localhost;
--enable_service_connection
--echo # End of 10.0 tests