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create table t1(
x int unsigned,
y int unsigned,
sys_start SYS_TYPE as row start invisible,
sys_end SYS_TYPE as row end invisible,
period for system_time (sys_start, sys_end))
with system versioning engine=ENGINE;
insert into t1 (x, y) values
(0, 100),
(1, 101),
(2, 102),
(3, 103),
(4, 104),
(5, 105),
(6, 106),
(7, 107),
(8, 108),
(9, 109);
set @t0= now(6);
select sys_start from t1 limit 1 into @x0;
delete from t1 where x = 3;
delete from t1 where x > 7;
insert into t1(x, y) values(3, 33);
select sys_start from t1 where x = 3 and y = 33 into @t1;
select x, y from t1;
x y
0 100
1 101
2 102
4 104
5 105
6 106
7 107
3 33
select x as ASOF_x, y from t1 for system_time as of timestamp @t0;
ASOF_x y
0 100
1 101
2 102
3 103
4 104
5 105
6 106
7 107
8 108
9 109
select x as FROMTO_x, y from t1 for system_time from '1970-01-01 00:00' to timestamp @t1;
FROMTO_x y
0 100
1 101
2 102
3 103
4 104
5 105
6 106
7 107
8 108
9 109
select x as BETWAND_x, y from t1 for system_time between '1970-01-01 00:00' and timestamp @t1;
BETWAND_x y
0 100
1 101
2 102
3 103
4 104
5 105
6 106
7 107
8 108
9 109
3 33
select x as ALL_x, y from t1 for system_time all;
ALL_x y
0 100
1 101
2 102
3 103
4 104
5 105
6 106
7 107
8 108
9 109
3 33
select x as ASOF2_x, y from t1 for system_time as of @t0;
ASOF2_x y
0 100
1 101
2 102
3 103
4 104
5 105
6 106
7 107
8 108
9 109
select x as FROMTO2_x, y from t1 for system_time from '1970-01-01 00:00' to @t1;
FROMTO2_x y
0 100
1 101
2 102
3 103
4 104
5 105
6 106
7 107
8 108
9 109
select x as BETWAND2_x, y from t1 for system_time between '1970-01-01 00:00' and timestamp @t1;
BETWAND2_x y
0 100
1 101
2 102
3 103
4 104
5 105
6 106
7 107
8 108
9 109
3 33
drop table t1;
create table t1(
x int,
y int,
sys_start SYS_TYPE as row start invisible,
sys_end SYS_TYPE as row end invisible,
period for system_time (sys_start, sys_end))
with system versioning engine=ENGINE;
create table t2 like t1;
insert into t1 values (1, 1), (1, 2), (1, 3), (4, 4), (5, 5);
insert into t2 values (1, 2), (2, 1), (3, 1);
set @t0= now(6);
select t1.x as IJ1_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 inner join t2 on t1.x = t2.x;
IJ1_x1 y1 x2 y2
1 1 1 2
1 2 1 2
1 3 1 2
select t1.x as LJ1_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 left join t2 on t1.x = t2.x;
LJ1_x1 y1 x2 y2
1 1 1 2
1 2 1 2
1 3 1 2
4 4 NULL NULL
5 5 NULL NULL
select t1.x as RJ1_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 right join t2 on t1.x = t2.x;
RJ1_x1 y1 x2 y2
1 1 1 2
1 2 1 2
1 3 1 2
NULL NULL 2 1
NULL NULL 3 1
delete from t1;
delete from t2;
select IJ2_x1,y1,x2,y2 from (select t1.x as IJ2_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 inner join t2 on t1.x = t2.x)
for system_time as of timestamp @t0 as t;
IJ2_x1 y1 x2 y2
1 1 1 2
1 2 1 2
1 3 1 2
select LJ2_x1,y1,x2,y2 from (select t1.x as LJ2_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 left join t2 on t1.x = t2.x)
for system_time as of timestamp @t0 as t;
LJ2_x1 y1 x2 y2
1 1 1 2
1 2 1 2
1 3 1 2
4 4 NULL NULL
5 5 NULL NULL
select RJ2_x1,y1,x2,y2 from (select t1.x as RJ2_x1, t1.y as y1, t2.x as x2, t2.y as y2 from t1 right join t2 on t1.x = t2.x)
for system_time as of timestamp @t0 as t;
RJ2_x1 y1 x2 y2
1 1 1 2
1 2 1 2
1 3 1 2
NULL NULL 2 1
NULL NULL 3 1
drop table t1;
drop table t2;
# MDEV-14686 Server crashes in Item_field::used_tables on 2nd call of SP [#422]
create or replace table t1 (called int, bad int) with system versioning;
create or replace procedure bad() select * from t1 where bad in (select called from t1);
called bad
called bad
called bad
called bad
called bad
called bad
called bad
called bad
# bad() is good.
# MDEV-14751 Server crashes in TABLE::versioned on 2nd execution of SP [#431]
create or replace table t1 (called_bad int);
create or replace table t2 (b int);
create or replace procedure bad() select * from t1 where ( 5, 6 ) in ( select b, b from t2 ) and called_bad in ( select max(b) from t2 );
called_bad
called_bad
called_bad
called_bad
called_bad
called_bad
called_bad
called_bad
# bad() is good.
# MDEV-14786 Server crashes in Item_cond::transform on 2nd execution of SP querying from a view [#436]
create or replace table t1 (called_bad int) with system versioning;
create or replace view v1 as select called_bad from t1 where called_bad < 5;
create or replace procedure bad() select called_bad from v1;
called_bad
called_bad
called_bad
called_bad
called_bad
called_bad
called_bad
called_bad
# bad() is good.
# wildcard expansion on hidden fields.
create or replace table t1(
A int
) with system versioning;
insert into t1 values(1);
select * from t1;
A
1
create or replace table t1 (x int);
insert into t1 values (1);
select * from t1 for system_time all;
ERROR HY000: Table `t1` is not system-versioned
create or replace table t1 (x int) with system versioning;
insert into t1 values (1);
select * from t1 for system_time as of now() for update;
ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
create or replace table t1 (a int not null auto_increment primary key) with system versioning;
select * from (t1 as t2 left join t1 as t3 using (a)) natural left join t1;
a
create or replace table t1 (a int) with system versioning;
create or replace table t2 (a int) with system versioning;
insert into t1 values(1);
insert into t2 values(1);
create or replace view v1 as select * from t2 inner join t1 using (a);
select * from v1;
a
1
drop view v1;
create or replace table t1 (a int) with system versioning;
insert into t1 values (1);
create view vt1 as select a from t1;
select * from t1 natural join vt1;
a
1
drop view vt1;
create or replace table t1(x int) with system versioning;
select * from (t1 as r left join t1 as u using (x)), t1;
x x
create or replace table t1 (a int) with system versioning;
insert into t1 values (1);
create trigger read_end after update on t1
for each row set @end = old.row_end;
update t1 set a=2;
select @end;
@end
MAX_RESULT
create or replace table t1 (a int) with system versioning;
create or replace table t2 (b int) with system versioning;
insert into t1 values (1);
insert into t2 values (2);
select * from (select * from t1 cross join t2) as tmp;
a b
1 2
select * from (select * from (select * from t1 cross join t2) as tmp1) as tmp2;
a b
1 2
select * from (select * from t1 cross join t2 for system_time as of timestamp ('1970-01-01 00:00')) as tmp;
a b
create or replace table t1(a1 int) with system versioning;
create or replace table t2(a2 int) with system versioning;
insert into t1 values(1),(2);
insert into t2 values(1),(2);
select * from t1 for system_time all natural left join t2 for system_time all;
a1 a2
1 1
2 1
1 2
2 2
create or replace table t1(a1 int) with system versioning;
create or replace table t2(a2 int) with system versioning;
insert into t1 values(1),(2);
insert into t2 values(1),(2);
create or replace view v1 as select a1 from t1;
select * from v1 natural join t2;
a1 a2
1 1
2 1
1 2
2 2
select * from v1 natural left join t2;
a1 a2
1 1
2 1
1 2
2 2
select * from v1 natural right join t2;
a2 a1
1 1
2 1
1 2
2 2
create or replace table t1 (a int) with system versioning;
insert into t1 values (1);
insert into t1 values (2);
insert into t1 values (3);
select * from t1 left outer join (t1 as t2 left join t1 as t3 using (a)) on t1.a>1;
a a
2 1
3 1
2 2
3 2
2 3
3 3
1 NULL
create or replace table t1 (x int) with system versioning;
create or replace table t2 (y int) with system versioning;
insert into t1 values (1), (2), (3);
delete from t1 where x = 3;
insert into t2 values (1);
select * from t1, t2 for system_time all;
x y
1 1
2 1
select * from (select * from t1 for system_time all, t2 for system_time all) for system_time all as t;
ERROR HY000: Table `t` is not system-versioned
select * from (t1 for system_time all join t2 for system_time all) for system_time all;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'system_time all' at line 1
# MDEV-16043 Assertion thd->Item_change_list::is_empty() failed in mysql_parse upon SELECT from a view reading from a versioned table
create or replace table t1 (a int) with system versioning;
create or replace view v1 as select * from t1;
prepare stmt from "select * from t1 where exp( '20010609211642053929' )";
execute stmt;
ERROR 22003: DOUBLE value is out of range in 'exp('20010609211642053929')'
select a from v1;
a
drop view v1;
drop table t1, t2;
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