This is not rocket science at all, this gem just adds a helper method to retrieve human friendly errors from ActiveRecord models.

Allows you to compare Active Record objects based on their *attributes* (with same_as?), to exclude some attributes from being used in comparison, and adds improved inspect method

Backport of ActiveRecord::Base.ignored_columns into Rails 4 and 5.0

Smart gem for importing CSV files to ActiveRecord models

Add index hints method(use/ignore/force index) to ActiveRecord

Provides interval-based reconnection for ActiveRecord connections. Helps handle RDS failover scenarios by periodically refreshing connections on checkout.

Import items quickly with activerecord-jdbc

Importing records from a json file go slow?. No problem, use me. It uses the awesome activerecord-import gem. Documentation and code in https://github.com/carlosgab83/active_record_json_importer/

[Experimental] Generate LookML

ActiveRecord::Relation extension, find object in collection if it exists or build new one

ActiveRecordMask is a small ruby library that provides an easy way to mask read access to database attributes and associations in ActiveRecord objects.

Materialize is a streaming database for real-time applications. Materialize accepts input data from a variety of streaming sources (e.g. Kafka) and files (e.g. CSVs), and lets you query them using SQL.

Provides transparent materialized view semantics for Rails applications on databases that do not support native materialized views. Precomputes expensive analytical queries into cache tables with scheduled or on-demand refresh.

A collection of ActiveRecord::Migration extensions, including change_table_move_to_end

This gem provides the functionality of ActiveRecord::QueryMethods::WhereChain#missing for Rails 6.0 and 5.x apps.

An attempt at real inheritance for ActiveRecord models.

An ActiveRecord::LogSubscriber which records only mod sql.

An ActiveRecord adapter for MySQL, based on mysql gem.

Adds column comment and index comment to migrations for ActiveRecord MySQL adapters

MySQL REPL featured by ActiveRecord and Pry