Add ScalarFunction counterpart of JSON_EXTRACT_SCALAR
Contributor guide
Tech stack
java
Domain
databasebackend
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
mostly clear
Prerequisites
Java experienceFamiliarity with Pinot's ScalarFunctionUnderstanding of JSON functions
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40
Research direction
Examine existing ScalarFunction implementations (e.g., in org.apache.pinot.core.geospatial or other modules) to understand the pattern. Look at the current JSON EXTRACT SCALAR function in the parser or query engine. The issue requests a counterpart that returns a scalar value. Check the Pinot documentation and related PRs or comments for guidance on where to add this function.
