set @@session.time_zone='+00:00';
select ifnull(max(transaction_id), 0) into @start_trx_id from information_schema.innodb_vtq;
create procedure if not exists verify_vtq()
begin
set @i= 0;
select
@i:= @i + 1 as No,
transaction_id > 0 as A,
commit_id > transaction_id as B,
begin_timestamp > '1-1-1 0:0:0' as C,
commit_timestamp >= begin_timestamp as D
from information_schema.innodb_vtq
where transaction_id > @start_trx_id;
select ifnull(max(transaction_id), 0)
into @start_trx_id
from information_schema.innodb_vtq;
end~~
create function if not exists default_engine()
returns varchar(255)
deterministic
begin
declare e varchar(255);
select lower(engine) from information_schema.engines where support='DEFAULT' into e;
return e;
end~~
create function if not exists sys_datatype()
returns varchar(255)
deterministic
begin
if default_engine() = 'innodb' then
return 'bigint unsigned';
elseif default_engine() = 'myisam' then
return 'timestamp(6)';
end if;
return NULL;
end~~
create function if not exists sys_commit_ts(sys_field varchar(255))
returns varchar(255)
deterministic
begin
if default_engine() = 'innodb' then
return concat('vtq_commit_ts(', sys_field, ')');
elseif default_engine() = 'myisam' then
return sys_field;
end if;
return NULL;
end~~
create procedure if not exists innodb_verify_vtq(recs int)
begin
declare i int default 1;
if default_engine() = 'innodb' then
call verify_vtq;
elseif default_engine() = 'myisam' then
create temporary table tmp (No int, A bool, B bool, C bool, D bool);
while i <= recs do
insert into tmp values (i, 1, 1, 1, 1);
set i= i + 1;
end while;
select * from tmp;
drop table tmp;
end if;
end~~
create procedure test_01()
begin
declare engine varchar(255) default default_engine();
declare sys_type varchar(255) default sys_datatype();
declare fields varchar(255) default sys_commit_ts('sys_start');
set @str= concat('
  create table t1(
    x int unsigned,
    y int unsigned,
    sys_start ', sys_type, ' generated always as row start,
    sys_end ', sys_type, ' generated always as row end,
    period for system_time (sys_start, sys_end))
  with system versioning
  engine ', engine);
prepare stmt from @str; execute stmt; drop prepare stmt;
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);
if engine = 'innodb' then
select sys_start from t1 limit 1 into @x0;
end if;
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;
if engine = 'innodb' then
set @x1= @t1;
select vtq_commit_ts(@x1) into @t1;
end if;
select x, y from t1;
select x as ASOF_x, y from t1 for system_time as of timestamp @t0;
select x as FROMTO_x, y from t1 for system_time from timestamp '0-0-0 0:0:0' to timestamp @t1;
select x as BETWAND_x, y from t1 for system_time between timestamp '0-0-0 0:0:0' and timestamp @t1;
select x as FROMTO_ext_x, y from t1 for system_time from timestamp '0-0-0 0:0:0' to timestamp @t1;
select x as BETWAND_ext_x, y from t1 for system_time between timestamp '0-0-0 0:0:0' and timestamp @t1;
select x as ALL_x, y from t1 for system_time all;
if engine = 'innodb' then
select x as ASOF2_x, y from t1 for system_time as of transaction @x0;
select x as FROMTO2_x, y from t1 for system_time from transaction 0 to transaction @x1;
select x as BETWAND2_x, y from t1 for system_time between transaction 0 and transaction @x1;
select x as FROMTO2_ext_x, y from t1 for system_time transaction from 0 to @x1;
select x as BETWAND2_ext_x, y from t1 for system_time transaction between 0 and @x1;
else
select x as ASOF2_x, y from t1 for system_time as of timestamp @t0;
select x as FROMTO2_x, y from t1 for system_time from timestamp '0-0-0 0:0:0' to timestamp @t1;
select x as BETWAND2_x, y from t1 for system_time between timestamp '0-0-0 0:0:0' and timestamp @t1;
select x as FROMTO2_ext_x, y from t1 for system_time from timestamp '0-0-0 0:0:0' to timestamp @t1;
select x as BETWAND2_ext_x, y from t1 for system_time between timestamp '0-0-0 0:0:0' and timestamp @t1;  
end if;
drop table t1;
end~~
create or replace procedure test_02()
begin
declare engine varchar(255) default default_engine();
declare sys_type varchar(255) default sys_datatype();
declare fields varchar(255) default sys_commit_ts('sys_start');
set @str0= concat('(
    x int,
    y int,
    sys_start ', sys_type, ' generated always as row start,
    sys_end ', sys_type, ' generated always as row end,
    period for system_time (sys_start, sys_end))
  with system versioning
  engine ', engine);
set @str= concat('create or replace table t1', @str0);
prepare stmt from @str; execute stmt; drop prepare stmt;
set @str= concat('create or replace table t2', @str0);
prepare stmt from @str; execute stmt; drop prepare stmt;
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;
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;
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;
delete from t1;
delete from t2;
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
query for system_time as of timestamp @t0;
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
query for system_time as of timestamp @t0;
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
query for system_time as of timestamp @t0;
drop table t1;
drop table t2;
end~~
call test_01();
x	y
0	100
1	101
2	102
4	104
5	105
6	106
7	107
3	33
ASOF_x	y
0	100
1	101
2	102
3	103
4	104
5	105
6	106
7	107
8	108
9	109
FROMTO_x	y
0	100
1	101
2	102
3	103
4	104
5	105
6	106
7	107
8	108
9	109
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
FROMTO_ext_x	y
0	100
1	101
2	102
3	103
4	104
5	105
6	106
7	107
8	108
9	109
BETWAND_ext_x	y
0	100
1	101
2	102
3	103
4	104
5	105
6	106
7	107
8	108
9	109
3	33
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
ASOF2_x	y
0	100
1	101
2	102
3	103
4	104
5	105
6	106
7	107
8	108
9	109
FROMTO2_x	y
0	100
1	101
2	102
3	103
4	104
5	105
6	106
7	107
8	108
9	109
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
FROMTO2_ext_x	y
0	100
1	101
2	102
3	103
4	104
5	105
6	106
7	107
8	108
9	109
BETWAND2_ext_x	y
0	100
1	101
2	102
3	103
4	104
5	105
6	106
7	107
8	108
9	109
3	33
call test_02();
IJ1_x1	y1	x2	y2
1	1	1	2
1	2	1	2
1	3	1	2
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
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
IJ2_x1	y1	x2	y2
1	1	1	2
1	2	1	2
1	3	1	2
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
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
create 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: System Versioning required: `FOR SYSTEM_TIME` query
create or replace table t1 (x int) with system versioning;
insert into t1 values (1);
select * from t1 for system_time all for update;
ERROR HY000: Versioned SELECT write-locking of history rows
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 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.sys_trx_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 '0-0-0') 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 query for system_time all;
x	y
1	1
2	1
3	1
select * from t1 for system_time all, t2 for system_time all query for system_time all;
ERROR HY000: Unused clause: 'QUERY FOR SYSTEM_TIME'
drop view v1;
drop table t1, t2;
call innodb_verify_vtq(27);
No	A	B	C	D
1	1	1	1	1
2	1	1	1	1
3	1	1	1	1
4	1	1	1	1
5	1	1	1	1
6	1	1	1	1
7	1	1	1	1
8	1	1	1	1
9	1	1	1	1
10	1	1	1	1
11	1	1	1	1
12	1	1	1	1
13	1	1	1	1
14	1	1	1	1
15	1	1	1	1
16	1	1	1	1
17	1	1	1	1
18	1	1	1	1
19	1	1	1	1
20	1	1	1	1
21	1	1	1	1
22	1	1	1	1
23	1	1	1	1
24	1	1	1	1
25	1	1	1	1
26	1	1	1	1
27	1	1	1	1
drop procedure test_01;
drop procedure test_02;
drop procedure verify_vtq;
drop procedure innodb_verify_vtq;
drop function default_engine;
drop function sys_commit_ts;
drop function sys_datatype;