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Denis Khalikov 242bc75166 MCOL-5195 Correlated subquery with equi/non-equi scalar filter and join condition
Disable check for correlated subqueries, basically those types of queries transforms
to join (aggr(table2), table1), table2) and post join scalar filter.
2022-12-23 18:33:01 +03:00

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#-- source ../include/have_innodb.inc
--disable_warnings
DROP DATABASE IF EXISTS mcol5195;
--enable_warnings
CREATE DATABASE mcol5195;
USE mcol5195;
create table t1 (a int, b int) engine=columnstore;
create table t2 (a int, b int) engine=columnstore;
insert into t1 values (1, 2), (1, 3), (1, 4), (2, 5), (2, 6), (2, 7);
insert into t2 values (1, 2), (1, 2), (1, 4), (2, 5), (2, 6), (2, 8);
select * from t1, t2 where t1.a = t2.a and t2.b = (select max(b) from t2 where t1.a = t2.a) order by t2.b;
select * from t1, t2 where t1.a = t2.a and t2.b < (select max(b) from t2 where t1.a = t2.a) order by t2.b;
select * from t1, t2 where t1.a = t2.a and t2.b > (select max(b) from t2 where t1.a = t2.a) order by t2.b;
select * from t1, t2 where t1.a = t2.a and t1.b = (select avg(t2.b) from t2 where t1.a = t2.a group by t2.a) order by t2.b;
select * from t1, t2 where t1.a = t2.a and t2.b < (select avg(t2.b) from t2 where t1.a = t2.a group by t2.a) order by t2.b;
select * from t1, t2 where t1.a = t2.a and t2.b > (select avg(t2.b) from t2 where t1.a = t2.a group by t2.a) order by t2.b;
drop table t1;
drop table t2;
DROP DATABASE mcol5195;