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
|
-- source include/have_innodb.inc
set default_storage_engine=innodb;
create or replace table dept (
dept_id int(10) primary key,
name varchar(100)
)
with system versioning;
create or replace table emp (
emp_id int(10) primary key,
dept_id int(10),
name varchar(100),
salary int(10),
constraint `dept-emp-fk`
foreign key (dept_id) references dept (dept_id)
on delete restrict
on update restrict
)
with system versioning;
--disable_cursor_protocol
select now() into @ts_0;
insert into dept (dept_id, name) values (10, "accounting");
commit;
select row_start into @ts_1 from dept where dept_id=10;
insert into emp (emp_id, name, salary, dept_id) values (1, "bill", 1000, 10);
commit;
select row_start into @ts_2 from emp where name="bill";
--enable_cursor_protocol
select * from emp;
update emp set salary=2000 where name="bill";
commit;
--disable_cursor_protocol
select row_start into @ts_3 from emp where name="bill";
--enable_cursor_protocol
select * from emp;
select * from emp for system_time as of timestamp @ts_2;
select * from emp for system_time as of timestamp @ts_3;
select * from emp e, dept d
where d.dept_id = 10
and d.dept_id = e.dept_id;
select * from
emp for system_time from timestamp @ts_1 to timestamp @ts_2 e,
dept for system_time from timestamp @ts_1 to timestamp @ts_2 d
where d.dept_id = 10
and d.dept_id = e.dept_id;
set statement system_versioning_asof=@ts_0 for
select * from emp e, dept d
where d.dept_id = 10
and d.dept_id = e.dept_id;
set statement system_versioning_asof=@ts_1 for
select * from emp e, dept d
where d.dept_id = 10
and d.dept_id = e.dept_id;
set statement system_versioning_asof=@ts_2 for
select * from emp e, dept d
where d.dept_id = 10
and d.dept_id = e.dept_id;
set statement system_versioning_asof=@ts_3 for
select * from emp e, dept d
where d.dept_id = 10
and d.dept_id = e.dept_id;
drop table emp, dept;
#
# MDEV-16804 SYSTEM VERSIONING columns not showing as GENERATED
#
create table t1 (
a timestamp(6),
b timestamp(6) generated always as (a + interval 1 day),
c timestamp(6) generated always as (a + interval 1 month) stored,
d timestamp(6) generated always as row start,
e timestamp(6) generated always as row end,
period for system_time(d,e)
) with system versioning;
show columns from t1;
query_vertical select table_catalog,table_schema,table_name,column_name,ordinal_position,column_default,is_nullable,data_type,character_maximum_length,character_octet_length,numeric_precision,numeric_scale,datetime_precision,character_set_name,collation_name,column_type,column_key,extra,column_comment,is_generated,generation_expression,'---' from information_schema.columns where table_name='t1';
drop table t1;
|