spring-projects / spring-projects/spring-data-mongodb
Support $last aggregation operator in $setWindowFields aggregation stage.
Open
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in: aggregation-framework
theme: MongoDB 5.0
type: enhancement
- Dominant language
- Java
- Stars
- 1.7k
- Forks
- 1.1k
- PR merge metrics
- No merged PRs in 30d
Description
Available since MongoDB 5.0.
Depends on: #3711
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reading the MongoDB $last aggregation operator documentation and the existing $setWindowFields support, then review dependency issue #3711. Done means the Java aggregation API supports $last within $setWindowFields and has coverage demonstrating the expected MongoDB 5.0 behavior.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java, mongodb
- Domain
- databases
- Issue type
- Feature
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 42/100