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[MCOL-5167] Add support for on clause filter for a table which is not involved in join.

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This patch adds support for on clause filter for a table which is not involved in particular join
by disabling an `merge optimization` for those particular cases.
The `merge optimization` is optimization when CS
tries to create a one BPP join with one `large side` table and multiple `small sides` tables, in this
case we cannot apply a FE filter if this filter requires a columns from `small side` table which is not
involved in particular join.
This commit is contained in:
Denis Khalikov
2022-07-25 19:18:26 +03:00
committed by Roman Nozdrin
parent 4c9d6e39ac
commit 61cf18b92d
3 changed files with 124 additions and 16 deletions
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61
mysql-test/columnstore/basic/r/mcol-5167.result Normal file
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DROP DATABASE IF EXISTS mcol5167;
CREATE DATABASE mcol5167;
USE mcol5167;
create table t1 (a int, b int) engine=columnstore;
create table t2 (a int, b int) engine=columnstore;
create table t3 (a int, b int) engine=columnstore;
create table t4 (a int, b int) engine=columnstore;
insert into t1 values (1, 3), (2, 3), (3, 4);
insert into t2 values (1, 2), (2, 4), (4, 5);
insert into t3 values (1, 2), (2, 3), (3, 4), (4, 5);
insert into t4 values (1, 2), (2, 3), (3, 4);
select * from t1 left join t2 on (t1.a = t2.a) left join t3 on (t1.b = t3.b and t2.a > 1);
a b a b a b
1 3 1 2 NULL NULL
2 3 2 4 2 3
3 4 NULL NULL NULL NULL
select * from t1 left join t2 on (t1.a = t2.a) left join t3 on (t2.b = t3.b and t1.a > 1);
a b a b a b
1 3 1 2 NULL NULL
2 3 2 4 3 4
3 4 NULL NULL NULL NULL
select * from t1 left join t2 on (t1.a = t2.a) left join t3 on (t2.b = t3.b and t1.a > 1 and t2.a > 1);
a b a b a b
1 3 1 2 NULL NULL
2 3 2 4 3 4
3 4 NULL NULL NULL NULL
select * from t1 left join t2 on (t1.a = t2.a) left join t3 on (t2.b = t3.b and t2.a > 1 and t1.a > 1);
a b a b a b
1 3 1 2 NULL NULL
2 3 2 4 3 4
3 4 NULL NULL NULL NULL
select * from t1 left join t2 on (t1.a = t2.a) left join t3 on (t1.b = t3.b and t2.a > 3);
a b a b a b
1 3 1 2 NULL NULL
2 3 2 4 NULL NULL
3 4 NULL NULL NULL NULL
select * from t1 left join t2 on (t1.a = t2.a) left join t3 on (t2.b = t3.b and t1.a > 3);
a b a b a b
1 3 1 2 NULL NULL
2 3 2 4 NULL NULL
3 4 NULL NULL NULL NULL
select * from t1 left join t2 on (t1.a = t2.a) left join t3 on (t1.b = t3.b) left join t4 on (t3.a = t4.a and t1.a > 1 and t2.a > 1);
a b a b a b a b
1 3 1 2 2 3 NULL NULL
2 3 2 4 2 3 2 3
3 4 NULL NULL 3 4 NULL NULL
select * from t1 left join t2 on (t1.a = t2.a) left join t3 on (t1.b = t3.b) left join t4 on (t3.a = t4.a and t1.a > 1 and t2.a > 2);
a b a b a b a b
1 3 1 2 2 3 NULL NULL
2 3 2 4 2 3 NULL NULL
3 4 NULL NULL 3 4 NULL NULL
select * from t1 left join t2 on (t1.a = t2.a) left join t3 on (t1.b = t3.b and t1.a > 1) left join t4 on (t3.a = t4.a and t1.a > 1 and t2.a > 1);
a b a b a b a b
1 3 1 2 NULL NULL NULL NULL
2 3 2 4 2 3 2 3
3 4 NULL NULL 3 4 NULL NULL
drop table t1;
drop table t2;
drop table t3;
drop table t4;
DROP DATABASE mcol5167;

37
mysql-test/columnstore/basic/t/mcol-5167.test Normal file
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#-- source ../include/have_columnstore.inc
--disable_warnings
DROP DATABASE IF EXISTS mcol5167;
--enable_warnings
CREATE DATABASE mcol5167;
USE mcol5167;
create table t1 (a int, b int) engine=columnstore;
create table t2 (a int, b int) engine=columnstore;
create table t3 (a int, b int) engine=columnstore;
create table t4 (a int, b int) engine=columnstore;
insert into t1 values (1, 3), (2, 3), (3, 4);
insert into t2 values (1, 2), (2, 4), (4, 5);
insert into t3 values (1, 2), (2, 3), (3, 4), (4, 5);
insert into t4 values (1, 2), (2, 3), (3, 4);
select * from t1 left join t2 on (t1.a = t2.a) left join t3 on (t1.b = t3.b and t2.a > 1);
select * from t1 left join t2 on (t1.a = t2.a) left join t3 on (t2.b = t3.b and t1.a > 1);
select * from t1 left join t2 on (t1.a = t2.a) left join t3 on (t2.b = t3.b and t1.a > 1 and t2.a > 1);
select * from t1 left join t2 on (t1.a = t2.a) left join t3 on (t2.b = t3.b and t2.a > 1 and t1.a > 1);
select * from t1 left join t2 on (t1.a = t2.a) left join t3 on (t1.b = t3.b and t2.a > 3);
select * from t1 left join t2 on (t1.a = t2.a) left join t3 on (t2.b = t3.b and t1.a > 3);
select * from t1 left join t2 on (t1.a = t2.a) left join t3 on (t1.b = t3.b) left join t4 on (t3.a = t4.a and t1.a > 1 and t2.a > 1);
select * from t1 left join t2 on (t1.a = t2.a) left join t3 on (t1.b = t3.b) left join t4 on (t3.a = t4.a and t1.a > 1 and t2.a > 2);
select * from t1 left join t2 on (t1.a = t2.a) left join t3 on (t1.b = t3.b and t1.a > 1) left join t4 on (t3.a = t4.a and t1.a > 1 and t2.a > 1);
drop table t1;
drop table t2;
drop table t3;
drop table t4;
DROP DATABASE mcol5167;