lgbo-ustc opened a new issue, #9598:
URL: https://github.com/apache/incubator-gluten/issues/9598
### Backend
CH (ClickHouse)
### Bug description
[Expected behavior] and [actual behavior].
The post filter condition in join is
```
post_join_filter {
literal {
null {
bool {
nullability: NULLABILITY_NULLABLE
}
}
}
}
```
It comes from following query
```
select uid from t where uid in (select uid from t1 where partitionkey =
'xxx')
```
where `partitionkey = 'xxx'` filt out all data.
### Gluten version
_No response_
### Spark version
None
### Spark configurations
_No response_
### System information
_No response_
### Relevant logs
```bash
```
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