DataMapper is an Object Relational Mapper written in Ruby. The goal is to create an ORM which is fast, thread-safe and feature rich.
To learn a little more about this project and why you should be interested,
read the Why Datamapper? page.
Recent News
DataMapper 1.2.0 released
DataMapper 1.2.0 is here!
Read more
News
- DataMapper 1.2.0 released
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DataMapper 1.2.0 is here!
- DataMapper 1.1.0 released
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DataMapper 1.1.0 is here!
- DataMapper 1.0.2 released
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DataMapper 1.0.2 is here!
- DataMapper 1.0 released
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DataMapper 1.0 is here! There are changes to be aware of so please, read on.
- DataMapper 1.0.0 rc3 released
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Includes several bugs fixes for issues found in rc2, as well as a few other tickets in the queue.
- DataMapper 1.0.0 rc2 released
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We are starting a public RC process now to make sure the installation process is solid and that the API is stable before 1.0 is released at RailsConf.
- DataMapper 0.10.2 is Released
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New Set Operations, bug fixes and more specs round out this solid release.
- DataMapper at RubyEnRails Amsterdam 2009
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Presentation on DataMapper by dbussink
- DataMapper 0.10 is Released
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After 11 months of work, over 1250 commits and 140 tickets fixed 0.10 is ready
- DataMapper Presented at RailsConf 2008
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A warm reception for a very cool ORM
- DataMapper 0.9 is Released
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And you thought that The Great Refactoring was for naught
- DataMapper Presented at MWRC 2008
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Presentation on DataMapper by Wycats
- Spotlight on... Laziness
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The Fastest Code Is No Code
- Spotlight on... Composite Keys
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When a Primary Key Just Isn't Enough
- The Great Refactoring
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Change is afoot
Help
If you're having trouble, don't forget to check the documentation, which has both references and step by step tutorials.