Batch up your ActiveRecord "touch" operations for better performance. ActiveRecord::Base.delay_touching do ... end. When "end" is reached, all accumulated "touch" calls will be consolidated into as few database round trips as possible.

This gem automatically logs SQL EXPLAIN of every queries. You can check naturally every SQL EXPLAIN from development log, without manually executions.

A safe way to accept user parameters and query against your ActiveRecord Models

ActiveRecord extension to allow partitioning ids into regions, for merge replication purposes

Include ActiveRecord::Immutable in your ActiveRecord models to make your tables append-only.

A library for bulk inserting data using ActiveRecord and SQL Server.

Install this gem and require 'teradata' with JRuby on Rails.

It is a library that performs extended verification when an error occurs when executing SQL.

Implements the Null Object Pattern for nil values in ActiveRecord associations.

This gem adds comments to the SQL to indicate where the SQL parts are constructed.

PostgreSQL PGCrypto support for ActiveRecord models.

This gem adds support to the ActiveRecord (3.x and 4.x) for composite types.

citext support for rails

ActiveRecord support for the PostgreSQL cube data type.

A simple ActiveRecord extension to support where with comparison operators (`>`, `>=`, `<`, and `<=`).

Get raw data from ActiveRecord

Provide access to PostgreSQL's sequences

Database sharding library for ActiveRecord

Sharding library for ActiveRecord(MySQL)

Shorten index name