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SQL: RIGHT JOIN in derived [fix #383]

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This commit is contained in:
Aleksey Midenkov
2017-12-12 20:27:47 +03:00
parent cb4657e3b4
commit a0e137c4a9
4 changed files with 163 additions and 14 deletions
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78
mysql-test/suite/versioning/r/derived.result
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@ -215,5 +215,83 @@ select y from t2 for system_time as of @t1;
x
1
10
# LEFT/RIGHT JOIN
create or replace table t1 (x int, y int) with system versioning;
create or replace table t2 (x int, y int) with system versioning;
insert into t1 values (1, 1), (1, 2), (1, 3), (4, 4), (5, 5);
insert into t2 values (1, 2), (2, 1), (3, 1);
## LEFT JOIN: t1, t2 versioned
select * from (
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)
as derived;
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
alter table t2 drop system versioning;
## LEFT JOIN: t1 versioned
select * 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)
as derived;
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
alter table t1 drop system versioning;
alter table t2 add system versioning;
## LEFT JOIN: t2 versioned
select * from (
select t1.x as LJ3_x1, t1.y as y1, t2.x as x2, t2.y as y2
from t1 left join t2 on t1.x = t2.x)
as derived;
LJ3_x1 y1 x2 y2
1 1 1 2
1 2 1 2
1 3 1 2
4 4 NULL NULL
5 5 NULL NULL
alter table t1 add system versioning;
## RIGHT JOIN: t1, t2 versioned
select * from (
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)
as derived;
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
alter table t2 drop system versioning;
## RIGHT JOIN: t1 versioned
select * 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)
as derived;
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
alter table t1 drop system versioning;
alter table t2 add system versioning;
## RIGHT JOIN: t2 versioned
select * from (
select t1.x as RJ3_x1, t1.y as y1, t2.x as x2, t2.y as y2
from t1 right join t2 on t1.x = t2.x)
as derived;
RJ3_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, t2;
drop view vt1, vt2;