Moves old ActiveRecord records into sibling <table>_archive tables, cascading through a declared parent/child dependency tree, with support for restoring them back.

Move older Rails uploads across storage backends such as filesystem, NFS, MinIO, and S3.

Archiving aged records to archive table

A collection of methods and classes that unleash the power of the database :D

Duplicate a complete or partial database with ActiveRecord while controlling sensitive values.

Activerecord database tools.

copy data from one dbms to another via active_record

ActiveRecord extension to allow for updating numerical attributes using deltas.

A ruby gem to handle ActiveRecord like Arel.

Helpers and shortcuts with Arel

SQL date functions for AREL 2 + AR 3 scopes (such as created_at_year_eq)

Extends Arel and ActiveRecord with SQL operators and functions that aren't available out of the box, including array and JSON predicates, PostgreSQL full-text search (tsvector/tsquery), GIS/geometry predicates, and additional ordering helpers.

Provides haversine formula, implemented with Arel; which could be added to ActiveRecord scope, for instance.

Add index hint to MySQL query in Arel.

Operators (|, &, -) for ActiveRecord.

Provides trigonometry functions, implemented with Arel; which could be added to ActiveRecord scope, for instance.

Add support for creating `ENUM` types in PostgreSQL with ActiveRecord

Provides a simple way for defining enumerations in ActiveRecord models

ar_finder_form provides a DSL to define form for options to find/paginate

Arfy is just a snippet: some rake tasks and environment configuration to allow you use Rails migrations, without all the rails stack.