[FLINK] make GlobalWindowAggerator equal to Flink
Open
enhancement
- Dominant language
- Scala
- Stars
- 1.6k
- Forks
- 657
- Avg merge
- 2d 14h
- Merged PRs (30d)
- 80
Description
### Description
Now the WindowAggregator in velox is a simplied version of flink, should make them equal
### Gluten version
None
Contributor guide
Research direction
Start by locating the Velox WindowAggregator implementation in the Gluten codebase and comparing its behavior with Flink's GlobalWindowAggregator. Identify the differences that must be made equal and define matching tests before changing implementation behavior.
Written by the indexing model from the issue text.
Assessment
- Domain
- data-engineering
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 20/100