*Atomic archiving/unarchiving for ActiveRecord* acts_as_paranoid and similar plugins/gems work on a record-by-record basis and make it difficult to restore records atomically (or archive them, for that matter). Because ArchivalRecord's #archive! and #unarchive! methods are in transactions, and every archival record involved gets the same archive number upon archiving, you can easily restore or remove an entire set of records without having to worry about partial deletion or restoration. Additionally, other plugins generally change how destroy/delete work. ArchivalRecord does not, and thus one can destroy records like normal.

Sometimes you just need a descriptive value of an item you are archiving. This is what archive_2s was made for.

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.

ArchiveTree is a Ruby Gem that makes it easy for you to create beautiful chronological archive trees of your models. For instance, you can create a tree for your blog posts.

Archiving aged records to archive table

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

Dump and load relational objects between Ruby environments.

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.

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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.