copy data from one dbms to another via active_record

ActiveRecord extension to allow for updating numerical attributes using deltas.

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A ruby gem to handle ActiveRecord like Arel.

Helpers and shortcuts with Arel

SQL date functions for AREL 2 + AR 3 scopes (such as created_at_year_eq)

Adds support for missing SQL operators and functions to Arel

Provides haversine formula, implemented with Arel; which could be added to ActiveRecord scope, for instance.

Add index hint to MySQL query in Arel.

Operators (|, &, -) for ActiveRecord.

Provides trigonometry functions, implemented with Arel; which could be added to ActiveRecord scope, for instance.

Add support for creating `ENUM` types in PostgreSQL with ActiveRecord

Provides a simple way for defining enumerations in ActiveRecord models

ar_finder_form provides a DSL to define form for options to find/paginate

Arfy is just a snippet: some rake tasks and environment configuration to allow you use Rails migrations, without all the rails stack.

Package ActiveRecord suitable to include in other gem

acts_as_gold allows you to extend a model with money in the form of Gold, Silver and Copper, as seen in World of Warcraft

Easy upload management for ActiveRecord

ActiveRecord Integrity checking tool