apache / apache/datafusion-comet
feat: Investigate potential issues with HashJoin and LeftSemi
Open
enhancement
- Dominant language
- Scala
- Stars
- 1.3k
- Forks
- 373
- Avg merge
- 2d 4h
- Merged PRs (30d)
- 198
Description
### What is the problem the feature request solves?
When having
```
"spark.comet.exec.replaceSortMergeJoin" -> "true",
"spark.sql.adaptive.enabled" -> "false",
```
The TPCDS Q69 giving correctness issues like analyzed in https://github.com/apache/datafusion-comet/issues/2667
Currently we stop join rewrite but it can be a bigger problem behind and we need to investigate the rootcause
### Describe the potential solution
_No response_
### Additional context
_No response_
Contributor guide
Assessment
This issue has not been assessed yet.