Can't find correct current row when frame type is range in window function #9868
Description
Bug Report
Please answer these questions before submitting your issue. Thanks!
1. Minimal reproduce step (Required)
drop table if exists t;
create table t (p int, o int, v int);
insert into t values (1, 1, 1), (1, 2, 2), (1, 2, 3);
alter table t set tiflash replica 1;
set tidb_enforce_mpp=1;
select last_value(v) over (partition by p order by o range between 1 preceding and current row) as res from t;2. What did you expect to see? (Required)
+------+
| res |
+------+
| 1 |
| 3 |
| 3 |
+------+
3. What did you see instead (Required)
+------+
| res |
+------+
| 1 |
| 2 |
| 3 |
+------+
4. What is your TiFlash version? (Required)
nightly(3bd8c24d1a1e)