1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
#
# SYSTEM_VERSIONING_ASOF sysvar
#
create table t (a int) with system versioning;
set @before= UNIX_TIMESTAMP(now(6));
insert into t values (1);
set @after= UNIX_TIMESTAMP(now(6));
update t set a= 2;
set global system_versioning_asof= FROM_UNIXTIME(@after);
set system_versioning_asof= FROM_UNIXTIME(@after);
select * from t as nonempty;
a
1
connect subcon,127.0.0.1,root,,,$SERVER_MYPORT_1;
connection subcon;
select * from t as nonempty;
a
1
disconnect subcon;
connection default;
set global system_versioning_asof= FROM_UNIXTIME(@before);
select * from t as nonempty;
a
1
connect subcon,127.0.0.1,root,,,$SERVER_MYPORT_1;
connection subcon;
select * from t as empty;
a
disconnect subcon;
connection default;
drop table t;
set global system_versioning_asof= DEFAULT;
set system_versioning_asof= DEFAULT;
#
# DELETE HISTORY and privileges
#
connect root,localhost,root,,test;
connection root;
create database mysqltest;
create user mysqltest_1@localhost;
connect user1,localhost,mysqltest_1,,"*NO-ONE*";
connection user1;
connection root;
create table mysqltest.t (a int) with system versioning;
connection user1;
show grants;
Grants for mysqltest_1@localhost
GRANT USAGE ON *.* TO `mysqltest_1`@`localhost`
delete history from mysqltest.t before system_time now();
ERROR 42000: DELETE HISTORY command denied to user 'mysqltest_1'@'localhost' for table `mysqltest`.`t`
connection root;
grant delete history on mysqltest.* to mysqltest_1@localhost;
grant delete history on mysqltest.t to mysqltest_1@localhost;
connection user1;
show grants;
Grants for mysqltest_1@localhost
GRANT USAGE ON *.* TO `mysqltest_1`@`localhost`
GRANT DELETE HISTORY ON `mysqltest`.* TO `mysqltest_1`@`localhost`
GRANT DELETE HISTORY ON `mysqltest`.`t` TO `mysqltest_1`@`localhost`
delete history from mysqltest.t before system_time now();
connection root;
grant all on *.* to mysqltest_1@localhost;
show grants for mysqltest_1@localhost;
Grants for mysqltest_1@localhost
GRANT ALL PRIVILEGES ON *.* TO `mysqltest_1`@`localhost`
GRANT DELETE HISTORY ON `mysqltest`.* TO `mysqltest_1`@`localhost`
GRANT DELETE HISTORY ON `mysqltest`.`t` TO `mysqltest_1`@`localhost`
drop user mysqltest_1@localhost;
drop database mysqltest;
disconnect user1;
disconnect root;
connection default;
#
# MDEV-25559 Auto-create: infinite loop after interrupted lock wait
#
set timestamp= unix_timestamp('2000-01-01 00:00:00');
create table t (pk int primary key, a int) engine innodb with system versioning
partition by system_time interval 1 hour auto;
insert into t values (1, 0);
begin;
update t set a= a + 1;
connect con1,localhost,root,,;
set max_statement_time= 1;
set timestamp= unix_timestamp('2000-01-01 01:00:00');
update t set a= a + 2;
connection default;
set timestamp= unix_timestamp('2000-01-01 01:00:00');
update t set a= a + 3;
connection con1;
ERROR 70100: Query execution was interrupted (max_statement_time exceeded)
disconnect con1;
connection default;
commit;
drop table t;
set timestamp= default;
|
