Flexibly cache ActiveRecord queries across requests

Allows ActiveRecord and Rails to use a `cached_at` column for the `cache_key` if available

stores cache in database

active_record_calculator does groupable aggregate functions in one sql call for better performance

Instruments all activerecord objects with notifications around callbacks

This gem extends cashier with possibility to add AR objects and classes as keys and automaticaly hook with AR to clean up this keys on object change/deletion

This gem adds custom block expectation matchers for RSpec, such as `expect { ... }.to create_a_new(User)`

Instead of scattering validations, strong parameters, and business rules across controllers and models, changesets give you one clear interface for handling data before it touches the database.

Adds several different inheritance patterns for use with Rails models and ActiveRecord relations.

Provides a set of helper methods for dealing with chronological records that have common primary key and date columns denoting when the record is active (example: Oracle EBS tables).

CipherStash PostgreSQL adapter for ActiveRecord.

Provides the method of 'clone_ar' that can clone your current object. \ Accepts options on both class level and method call level.

A tool to help with cloning of active record objects.

A collection of useful coders for ActiveRecord, including a pipeline for chaining them.

Adds methods like create_collation to manage collations in your Ruby on Rials project.

Create collections of records, represented by ActiveRecord::Relation query criteria which can be serialized and passed around without executing queries or loading records.

this will add an option to add column comment in sql statement on migration

ActiveRecord extension to store column metadata in database as comments on columns

Simple ActiveRecord optimization

Manage comments for SQL tables and columns