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

Smart gem for importing CSV files to ActiveRecord models

Makes it easy to have specific concern modules included into all of your models after the model has connected to the database

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.

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.

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

MySQL REPL featured by ActiveRecord and Pry

ActiveRecord::MySQL::Strict adds validations to ActiveRecord models to make sure they do not trigger errors in MySQL strict mode.

Adds scopes to your models to perform nearest neighbor queries with PostGIS and PostgreSQL. Also provides rake tasks for generating migrations to create geospatial tables or add geospatial columns and indexes to your existing tables.

An ActiveRecord extension to build nested scopes through pre-defined associations