Life & fun · November 17, 2013
A gem to stop progressively building ActiveRecord queries
:mag: Object-oriented query building for ActiveRecord. - dobtco/filterer
A gem to stop progressively building ActiveRecord queries launched on November 17, 2013 with 17 votes, #144 of 701 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 12 years on.
In plain words
Filterer is a Ruby library that provides object-oriented query building for ActiveRecord, allowing developers to construct database queries in a structured, modular way rather than through progressive chain-building. The tool is designed for Rails developers who need to build complex queries with reusable components. The project is no longer actively maintained.
written from the facts on this page · September 2026
Does a similar job
all alternatives →- DYDecruft your Rails filters with FilterDecrufter2015 · techblog.livingsocial.com · ▲15
Cuckoo Filter in Ruby2017 · github.com · ▲74Pure Ruby Cuckoo Filter Implementation. Contribute to pawandubey/cuckoo_filter development by creating an account on GitHub.
Cuckoo Filter Implementation in Go, Better Than Bloom Filters2016 · github.com · ▲181Cuckoo Filter implementation in Go, better than Bloom Filters (unmaintained) - irfansharif/cfilter
PBT – A property-based testing library for Ruby2024 · github.com · ▲196Hello HN, I introduce a property-based testing tool for Ruby. Ruby's ease of test-writing and rich ecosystem are widely acclaimed. However, property-based testing is not as widely used as in other languages such as Haskell or Elixir, and I think this is because there is no de facto testing tool. This gem currently not only has the basic functionality of stateless property-based testing but also has the following features: - Support verbose mode that allows you to see its shrinking procedure and algorithms. - Support several concurrency/parallel executions of each test. As of now,…
FilterQL – A tiny query language for filtering structured data2025 · github.com · ▲77Hey all, I just released v2.0.0 of FilterQL, a query language and TypeScript library. This version adds support for Operations, which allow you to transform the data after filtering. If you think this would be useful in a project you're working on, give it a try and let me know what you think!
Rails N+1 queries auto-detection with zero false negatives2021 · github.com · ▲27Rails N+1 queries auto-detection with zero false positives / false negatives - charkost/prosopite
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