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create procedure test_01(
sys_type varchar(255),
engine varchar(255),
fields varchar(255))
begin
set @str= concat('
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);
prepare stmt from @str; execute stmt; drop prepare stmt;
insert into t1(x, y) values(3, 4);
insert delayed into t1(x, y) values(2, 3);
insert into t1 values(40, 33);
set @str= concat('select x, y, ', fields, ' from t1');
prepare stmt from @str; execute stmt; drop prepare stmt;
drop table t1;
end~~
create procedure test_02(
sys_type varchar(255),
engine varchar(255),
fields varchar(255))
begin
set @str= concat('
create table t1(
id int unsigned auto_increment primary key,
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);
prepare stmt from @str; execute stmt; drop prepare stmt;
insert into t1(x, y) values(33, 44);
insert into t1(id, x, y) values(20, 33, 44);
insert into t1 values(40, 33, 44);
set @str= concat('select id, x, y, ', fields, ' from t1');
prepare stmt from @str; execute stmt; drop prepare stmt;
drop table t1;
end~~
create procedure test_03(
sys_type varchar(255),
engine varchar(255),
fields varchar(255))
begin
set @str= concat('
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);
prepare stmt from @str; execute stmt; drop prepare stmt;
create view vt1_1 as select x, y from t1;
insert into t1(x, y) values(8001, 9001);
insert into vt1_1(x, y) values(1001, 2001);
insert into vt1_1 values(1002, 2002);
set @str= concat('select x, y, ', fields, ' from t1');
prepare stmt from @str; execute stmt; drop prepare stmt;
select x, y from vt1_1;
end~~
create procedure test_04(
sys_type varchar(255),
engine varchar(255),
fields varchar(255))
begin
set @str= concat('
create table t1(
id bigint primary key,
a int,
b int)
with system versioning
engine ', engine);
prepare stmt from @str; execute stmt; drop prepare stmt;
insert into t1 values(1, 1, 1);
select sys_trx_start, sys_trx_end from t1 into @sys_start, @sys_end;
select id, a, b from t1;
insert into t1 values(2, 2, 2);
select id, a, b, sys_trx_start > @sys_start as C, sys_trx_end = @sys_end as D from t1 where id = 2;
drop table t1;
end~~
create procedure test_05(
sys_type varchar(255),
engine varchar(255),
fields varchar(255))
begin
set @str= concat('(
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);
set @str2= concat('create table t1', @str);
prepare stmt from @str2; execute stmt; drop prepare stmt;
set @str2= concat('create table t2', @str);
prepare stmt from @str2; execute stmt; drop prepare stmt;
insert into t1(x, y) values
(1, 1000),
(2, 2000),
(3, 3000),
(4, 4000),
(5, 5000),
(6, 6000),
(7, 7000),
(8, 8000),
(9, 9000);
delete from t1 where x >= 1;
insert into t1(x, y) values
(1, 1001),
(2, 2001),
(3, 3001),
(4, 4001),
(5, 5001),
(6, 6001);
insert into t1(x, y, sys_start) values
(7, 7001, DEFAULT);
insert into t1(x, y, sys_end) values
(8, 8001, DEFAULT);
insert into t1(x, y, sys_start, sys_end) values
(9, 9001, DEFAULT, DEFAULT);
insert into t2 select x, y from t1 for system_time between timestamp '0000-0-0 0:0:0' and timestamp '9999-1-1 0:0:0';
select x, y from t1;
select x, y from t2;
drop table t1;
drop table t2;
end~~
call test_01('timestamp(6)', 'myisam', 'sys_end');
x y sys_end
3 4 2038-01-19 03:14:07.999999
2 3 2038-01-19 03:14:07.999999
40 33 2038-01-19 03:14:07.999999
call test_01('bigint unsigned', 'innodb', 'vtq_commit_ts(sys_end)');
x y vtq_commit_ts(sys_end)
3 4 2038-01-19 03:14:07.999999
2 3 2038-01-19 03:14:07.999999
40 33 2038-01-19 03:14:07.999999
call test_02('timestamp(6)', 'myisam', 'sys_end');
id x y sys_end
1 33 44 2038-01-19 03:14:07.999999
20 33 44 2038-01-19 03:14:07.999999
40 33 44 2038-01-19 03:14:07.999999
call test_02('bigint unsigned', 'innodb', 'vtq_commit_ts(sys_end)');
id x y vtq_commit_ts(sys_end)
1 33 44 2038-01-19 03:14:07.999999
20 33 44 2038-01-19 03:14:07.999999
40 33 44 2038-01-19 03:14:07.999999
call test_03('timestamp(6)', 'myisam', 'sys_end');
x y sys_end
8001 9001 2038-01-19 03:14:07.999999
1001 2001 2038-01-19 03:14:07.999999
1002 2002 2038-01-19 03:14:07.999999
x y
8001 9001
1001 2001
1002 2002
drop table t1;
drop view vt1_1;
call test_03('bigint unsigned', 'innodb', 'vtq_commit_ts(sys_end)');
x y vtq_commit_ts(sys_end)
8001 9001 2038-01-19 03:14:07.999999
1001 2001 2038-01-19 03:14:07.999999
1002 2002 2038-01-19 03:14:07.999999
x y
8001 9001
1001 2001
1002 2002
drop table t1;
drop view vt1_1;
call test_04('timestamp(6)', 'myisam', 'sys_end');
id a b
1 1 1
id a b C D
2 2 2 1 1
call test_04('bigint unsigned', 'innodb', 'vtq_commit_ts(sys_end)');
id a b
1 1 1
id a b C D
2 2 2 1 1
call test_05('timestamp(6)', 'myisam', 'sys_end');
x y
1 1001
2 2001
3 3001
4 4001
5 5001
6 6001
7 7001
8 8001
9 9001
x y
1 1000
2 2000
3 3000
4 4000
5 5000
6 6000
7 7000
8 8000
9 9000
1 1001
2 2001
3 3001
4 4001
5 5001
6 6001
7 7001
8 8001
9 9001
call test_05('bigint unsigned', 'innodb', 'vtq_commit_ts(sys_end)');
x y
1 1001
2 2001
3 3001
4 4001
5 5001
6 6001
7 7001
8 8001
9 9001
x y
1 1000
2 2000
3 3000
4 4000
5 5000
6 6000
7 7000
8 8000
9 9000
1 1001
2 2001
3 3001
4 4001
5 5001
6 6001
7 7001
8 8001
9 9001
call verify_vtq;
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
create table t1(
x int unsigned,
sys_start bigint unsigned as row start invisible,
sys_end bigint unsigned as row end invisible,
period for system_time (sys_start, sys_end))
with system versioning engine=innodb;
create table t2(x int unsigned) engine=innodb;
start transaction;
insert into t1(x) values(1);
commit;
call verify_vtq;
No A B C D
1 1 1 1 1
start transaction;
insert into t2(x) values(1);
savepoint a;
insert into t1(x) values(1);
rollback to a;
commit;
call verify_vtq;
No A B C D
set global system_versioning_transaction_registry= off;
insert into t2(x) values (1);
insert into t1(x) values (1);
ERROR HY000: Temporal operation requires `mysql.transaction_registry` (@@system_versioning_transaction_registry).
set global system_versioning_transaction_registry= on;
Warnings:
Warning 4141 Transaction-based system versioning is EXPERIMENTAL and is subject to change in future.
create or replace table t1 (
x int,
y int as (x) virtual,
sys_trx_start bigint unsigned as row start invisible,
sys_trx_end bigint unsigned as row end invisible,
period for system_time (sys_trx_start, sys_trx_end)
) engine=innodb with system versioning;
insert into t1 values (1, null);
update t1 set x= x + 1;
select x, y, sys_trx_end = 18446744073709551615 as current from t1 for system_time all;
x y current
2 2 1
1 1 0
create or replace table t1 (x int) with system versioning engine innodb;
insert into t1 values (1), (2);
insert into t1 (sys_trx_start) select sys_trx_end from t1;
ERROR HY000: The value specified for generated column 'sys_trx_start' in table 't1' ignored
insert into t1 (sys_trx_start, sys_trx_end) values (DEFAULT, 1);
ERROR HY000: The value specified for generated column 'sys_trx_end' in table 't1' ignored
select @@sql_mode into @saved_mode;
set sql_mode= '';
insert into t1 (x, sys_trx_start, sys_trx_end) values (3, 4, 5);
Warnings:
Warning 1906 The value specified for generated column 'sys_trx_start' in table 't1' ignored
Warning 1906 The value specified for generated column 'sys_trx_end' in table 't1' ignored
set sql_mode= @saved_mode;
insert into t1 (sys_trx_start, sys_trx_end) values (DEFAULT, DEFAULT);
select * from t1;
x
1
2
3
NULL
# MDEV-14792 INSERT without column list into table with explicit versioning columns produces bad data
create or replace table t1 (
i int,
s timestamp(6) as row start,
e timestamp(6) as row end,
c varchar(8),
period for system_time(s, e))
with system versioning;
insert into t1 values (1, null, null, 'foo');
select i, c, current_row(e) from t1;
i c current_row(e)
1 foo 1
drop table t1;
drop table t2;
drop procedure test_01;
drop procedure test_02;
drop procedure test_03;
drop procedure test_04;
drop procedure test_05;
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