Can't find a proper physical plan when using read_from_storage TIFLASH hint for a table containing generate column
Open
affects-7.5
affects-8.1
severity/moderate
sig/planner
type/bug
- Dominant language
- Go
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Description
## Bug Report
Please answer these questions before submitting your issue. Thanks!
### 1. Minimal reproduce step (Required)
```
create table tt3(a int,b int ,c int as (a+b));
alter table tt3 set tiflash replica 2;
explain select /*+ read_from_storage(TIFLASH[tt3]) */ * from tt3 limit 2;
```
### 2. What did you expect to see? (Required)
success
### 3. What did you see instead (Required)
ERROR 1815 (HY000): Internal : Can't find a proper physical plan for this query
### 4. What is your TiDB version? (Required)
master
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Assessment
This issue has not been assessed yet.