A gem to import CSV files' content into a PostgreSQL or MySQL database. It is respectively based on PostgreSQL COPY and MySQL LOAD DATA INFILE which are designed to be as fast as possible.

If you do not want to setup foreign keys with cascade and ActiveRecord's dependent is too slow for your big database, this is what you are looking for.

Export CSV data to database

Organize your features in a tree directory and don't waste your CPU time running the same steps over and over.

Versioning for your ActiveRecord models

Shoryuken middleware for LunaPark based application.

Directed Acyclic Graph Management Engine for ActiveRecord. Edges as source of truth, transitive closure maintained by PL/pgSQL triggers. Cycle rejection, ancestors/descendants, topological ordering. PostgreSQL 18+ only.

Directed acyclic graph support library for applications using ActiveRecord on top of PostgreSQL.

This is a crawler framework.

Rails engine to add polymorphic file attachments leveraging dragonfly and counting references to avoid duplicates..

URL Shortener

database association resolver toolkit for postgres, activemodel, sequel, etc.

Dash is a Rails engine that auto-generates a REST API for your postgres database.

This gem simplifies the process of database migration or replication by providing a straightforward interface to copy tables and their data, while allowing fine-grained control over the selection of tables and attributes.

Database exporter that prepares content to be imported

The database-model-generator library allows you to generate an ActiveRecord model from an existing Oracle, SQL Server, or PostgreSQL table or view, as well as automatically generate a baseline test file for test-unit or minitest.

Simple tool for managing database patches

Duplicate a databse with sanitization options using SQL comments

Implements database branching in development and test by cloning the database automatically, supplementing Git branching workflow. This prevents situations where the database becomes stale due to schema or data inconsistencies between git branches. It automates the process of creating and deleting branch database copies by hooking into git.

Heroku inspired dataclips for your application.