[CH] replace array_except with a simpler implementation
Open
enhancement
- Dominant language
- Scala
- Stars
- 1.6k
- Forks
- 657
- Avg merge
- 2d 14h
- Merged PRs (30d)
- 80
Description
### Description
replace array_except with a simpler implementation. refer to arraySymmetricDifference in CH
Contributor guide
Research direction
Start by locating array_except and the referenced arraySymmetricDifference implementation in ClickHouse. Compare their behavior and identify the existing array_except call sites; done means array_except uses the simpler approach without changing its expected behavior.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- clickhouse, scala
- Domain
- databases
- Issue type
- Refactor
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100