ActiveRecord Object Instrumenter: Instrument the creation of ActiveRecord objects

ar_pg_array includes support of PostgreSQL's int[], float[], text[], timestamptz[] etc. into ActiveRecord. You could define migrations for array columns, query on array columns.

These RSpec matchers allow guarding against N+1 queries by specifying exactly how many queries you expect each of your ActiveRecord models to perform.

Add support for PostgreSQL's SEQUENCE on ActiveRecord migrations

Associate multiple models together and make them behave as one.

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Access postgres without blocking.

ActiveRecord plugin that allows to specify default values for attributes

A simple API for creating and finding sets of data in your database, built on ActiveRecord.

Automatic data change tracking for Ruby on Rails.

Measure and benchmark execution time of your ruby methods. Forgot about `Time.now - t` solution. Use `benchmark` to see how much time it take sto execute your method.

BindLogAnalyzer analyzes a Bind query log file and stores its data into a SQL database using ActiveRecord. It provides a fancy web interface to show some query stats and graphs.

Automatically userstamps create and update operations if the table has created_by and/or updated_by columns

Rails database scrubber and loader, great for seeding your dev db with real but sanitized data

Activities recording and retrieving using a simple Pub/Sub architecture.

Speed up ActiveRecord counting with caching

Various GraphQL caching / instrumentation tools

CanBe allows you to track the type of your ActiveRecord model in a consistent simple manner. With just a little configuration on your part, each type of record can contain different attributes that are specifc to that type of record.

Rails plugin to allow users to flag content for review

Capture the SQL that is executed when running ActiveRecord migrations so that it can be run in in other environments that don't support migrations.