apache/gravitino

[EPIC] Support Clickhouse catalog

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#6,017 opened on Dec 26, 2024

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Description

Describe the proposal

ClickHouse is the fastest and most resource efficient real-time data warehouse and open-source database.

Gravitino currently supports MySQL , PostgreSQL and Apache Doris metadata management but does not support ClickHouse yet. This proposal is to add ClickHouse JDBC catalog support in Gravitino so that users can have more options for managing database metadata.

Task list

Subtasks:

Contributor guide

Research direction
Understand Gravitino's existing JDBC catalog implementations (MySQL, PostgreSQL, Doris) and replicate the pattern for ClickHouse, focusing on the metadata mapping and connection handling.
Tech stack
java
Domain
backend
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.
3-5 days
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
JavaGit
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40