Support casting struct/array/map to JSON

Repository metrics

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5,717 stars (5,717 stars)

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Avg merge 1d 5h (Avg merge 1d 5h)1,000 merged PRs in 30d (1,000 merged PRs in 30d)

Description

SELECT cast(row('he', 1) as json);
SELECT cast([1,2,3] as json);
SELECT cast(map(1,2) as json);

Contributor guide

Research direction

Investigate the CAST function implementation in StarRocks to add JSON support for struct, array, and map types.

Tech stack

javasql

Domain

database

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.

Half day

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.

Clear

Prerequisites

SQL

Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.

60