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# MDEV-27398 DESC index causes wrong (empty) result on Federated tables
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create table t (a int);
insert into t values (1),(5),(2),(3),(4);
create table tf (a int, key(a desc)) connection 'mysql://root@127.0.0.1:$MASTER_MYPORT/test/t' engine=Federated;
select * from tf;
a
1
2
3
4
5
select * from tf where a > 2;
a
3
4
5
select * from tf where a < 3;
a
1
2
select * from tf where a >= 3;
a
3
4
5
select * from tf where a <= 3;
a
1
2
3
drop table tf, t;