closure_tree
A Ruby gem for efficiently modeling hierarchical data in ActiveRecord using closure tree tables.
What is closure_tree?
Closure Tree is a Ruby gem that allows ActiveRecord models to efficiently represent hierarchical data using the closure table pattern. It solves the problem of modeling tree-like structures—such as tags, threaded comments, or page graphs—with optimal query performance for both reads and writes. The gem provides a comprehensive API for navigating and manipulating tree relationships while maintaining data integrity.
Ruby on Rails developers who need to model hierarchical data in their applications, such as content management systems, tagging systems, or referral networks, and require high-performance tree operations.
Developers choose Closure Tree for its best-in-class query performance, concurrency safety, and rich feature set—outperforming alternatives like ancestry and awesome_nested_set while offering advanced capabilities like deterministic ordering and STI support.
Overview
Easily and efficiently make your ActiveRecord models support hierarchies
Use Cases
Best For
- Modeling nested categories or tags in e-commerce platforms
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