Strategies for cleaning databases using ActiveRecord. Can be used to ensure a clean state for testing.

Ridgepole is a tool to manage DB schema. It defines DB schema using Rails DSL, and updates DB schema according to DSL.

Migrate large tables without downtime by copying to a temporary table in chunks. The old table is not dropped. Instead, it is moved to timestamp_table_name for verification.

MySQL adapter for thoughtbot/scenic

This gem is only needed before Rails 7.1, where the trilogy adapter is built in. When you upgrade to a version after 7.1.a, replace this with `gem "trilogy"` to ensure that trilogy itself is available.

Octoball provides Octopus-like database sharding helper methods for ActiveRecord 6.1 or later, using Rails' native horizontal sharding handling. This provides migration path to Rails 6.1+ for applications using Octopus gem with older Rails.

Kafka libraries for Ruby.

Read/Write proxy for ActiveRecord using primary/replica databases

Worker and enqueuer for Q4M using the interface of ActiveJob.

ActiveRecord connection adapter for MySQL. It extends the Rails built-in Trilogy adapter and adds spatial extensions support via RGeo. Compatible with Rails 8.1+ native Trilogy adapter. Requires Ruby 3.2+ and Rails 8.1+.

The Atlas Engine is a rails engine that provides a GraphQL API for address validation.

Ruby ACME v2 Certificate Authority

Extends Ridgepole to support TiDB's AUTO_RANDOM column attribute for seamless schema management

Adds AWS Aurora failover support to Trilogy.

While Whodunit tracks who made changes, Chronicles captures what changed by streaming database events into comprehensive audit trails with zero Rails application overhead.