[#MDEV-27408] DESC index on a Mroonga table causes wrong order of result set

[MDEV-27408] DESC index on a Mroonga table causes wrong order of result set Created: 2022-01-02 Updated: 2022-01-26 Resolved: 2022-01-26
Status:	Closed
Project:	MariaDB Server
Component/s:	Storage Engine - Mroonga
Affects Version/s:	N/A
Fix Version/s:	10.8.1

Type:

Bug

Priority:

Major

Reporter:

Elena Stepanova

Assignee:

Sergei Golubchik

Resolution:

Fixed

Votes:

Labels:

None

Issue Links:

Problem/Incident
is caused by	~~MDEV-13756~~	Implement descending index: KEY (a DE...	Closed

Description

install soname 'ha_mroonga';

create or replace table t (a int, key(a desc)) engine=Mroonga;

insert into t values (1),(3),(2);

select * from t order by a;

preview-10.8-MDEV-13756-desc-indexes 49b38c82a
select * from t order by a;
a
3
2
1

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