DataMapper plugin providing support for aggregates, functions on collections and datasets.

DataMapper plugin providing support for aggregates, functions on collections and datasets.

Plugin that adds foreign key constraints to associations. Currently supports only PostgreSQL and MySQL All constraints are added to the underlying database, but constraining is implemented in pure ruby.

A unified Ruby API for popular databases.

DataMapper plugin for modifying and maintaining database structure, triggers, stored procedures, and data

dm-serializer allows DataMapper models and collections to be serialized to a variety of formats (currently JSON, XML, YAML and CSV)

dm-sql-finders add #by_sql to your DataMapper models and provides a clean mechanism for using the names of the properties in your model, instead of the actual fields in the database. Any SQL is supported and actual DataMapper Query objects wrap the SQL, t...

DataMapper plugin which adds “magic” to created_at, created_on, et cetera.

DataMapper plugin providing extra data types for use in data models

This is a DataMapper plugin that provides validations for DataMapper model classes.