[VL] ARRAY comparison not supported for values that contain nulls
Open
enhancement
- Dominant language
- Scala
- Stars
- 1.6k
- Forks
- 657
- Avg merge
- 2d 14h
- Merged PRs (30d)
- 80
Description
### Description
Spark UT "pivot with null and aggregate type not supported by PivotFirst returns correct result" has been exlcluded, because Velox not supported comparison for values that contain nulls.
Contributor guide
Research direction
Start with the Spark UT "pivot with null and aggregate type not supported by PivotFirst returns correct result" referenced in the issue and trace why it is excluded. Investigate the Velox ARRAY comparison path for values containing nulls; done means the comparison is supported and the excluded test returns the correct result.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- spark
- Domain
- data
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100