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create or replace table t1(
x int unsigned,
y int unsigned,
sys_start SYS_DATATYPE as row start invisible,
sys_end SYS_DATATYPE as row end invisible,
period for system_time (sys_start, sys_end))
with system versioning;
insert into t1(x, y) values(3, 4);
insert into t1(x, y) values(2, 3);
insert into t1 values(40, 33);
select x, y, sys_end < MAXVAL from t1;
x y sys_end < MAXVAL
3 4 0
2 3 0
40 33 0
create or replace table t1(
id int unsigned auto_increment primary key,
x int unsigned,
y int unsigned,
sys_start SYS_DATATYPE as row start invisible,
sys_end SYS_DATATYPE as row end invisible,
period for system_time (sys_start, sys_end))
with system versioning;
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);
select id, x, y, sys_end < MAXVAL from t1;
id x y sys_end < MAXVAL
1 33 44 0
20 33 44 0
40 33 44 0
create or replace table t1(
x int unsigned,
y int unsigned,
sys_start SYS_DATATYPE as row start invisible,
sys_end SYS_DATATYPE as row end invisible,
period for system_time (sys_start, sys_end))
with system versioning;
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);
select x, y, sys_end < MAXVAL from t1;
x y sys_end < MAXVAL
8001 9001 0
1001 2001 0
1002 2002 0
select x, y from vt1_1;
x y
8001 9001
1001 2001
1002 2002
drop view vt1_1;
create or replace table t1( id bigint primary key, a int, b int) with system versioning;
insert into t1 values(1, 1, 1);
select row_start, row_end from t1 into @sys_start, @sys_end;
Warnings:
Warning 1287 '<select expression> INTO <destination>;' is deprecated and will be removed in a future release. Please use 'SELECT <select list> INTO <destination> FROM...' instead
select id, a, b from t1;
id a b
1 1 1
insert into t1 values(2, 2, 2);
select id, a, b, row_start > @sys_start as C, row_end = @sys_end as D from t1 where id = 2;
id a b C D
2 2 2 1 1
drop table t1;
create or replace table t1(
x int unsigned,
y int unsigned,
sys_start SYS_DATATYPE as row start invisible,
sys_end SYS_DATATYPE as row end invisible,
period for system_time (sys_start, sys_end))
with system versioning;
create or replace table t2 like t1;
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 all;
select x, y from t1;
x y
1 1001
2 2001
3 3001
4 4001
5 5001
6 6001
7 7001
8 8001
9 9001
select x, y from t2;
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
drop table t1;
drop table t2;
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