DataMapper ORM 1.8.2

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  Having issues? Please look through the Troubleshooting Guide & FAQs
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DataMapper (DM) is an Object-Relational Mapper that builds on ActiveRecord.  Data is loaded from database tables into objects, and relationships can be managed through simple, easy-to-read functions.

To install DataMapper ORM, the (fairly simple) upgrade process is described here.

DataMapper offers these features:
  • Everything is an object!
  • Easy to setup, easy to use.
  • Custom Validation on object properties.
  • Lazy Loading (related objects are only loaded upon access).
  • Relations and their integrity are automatically managed for you.
  • One to One, One to Many, and Many to Many relations fully supported.
  • Select data in the style of Active Record (with or without Method Chaining).

You can learn much more from the manual.

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Version 1.8.2:
  * New Features
      o Backported the DataMapper 2.0 bootstrap to get access to core classes in CodeIgniter version 2.0.3 and above.
      o Changed the way watched methods are processed. This allows extensions to replace core methods.
      o Add support for an absolute path for “extensions_path”.
      o Added a all_to_single_array() method to the array extension.
  * Bug Fixes
      o Added a default for nestedsets root field name as described in the documentation.
      o Fixed ignoring model configuration properties with a NULL or FALSE value.
      o Fixed broken trans_status() method.
  * Other Changes
      o Improved the way the available model paths are determined.
      o Several corrections to the documentation.

This version introduces a bootstrap loader that needs to be installed in your index.php file, and will allow DataMapper to access CodeIgniters protected core methods and properties, while keeping CodeIgniters core extension mechanism operational (DataMapper does not introduce MY_ versions of libraries).

Make sure to check out the changelog — you won’t want to skip this update!

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Bug reports and feature requests:

DataMapper has moved to Github for the development of version 2.0. Please use the issue register / bug tracker on github to report new bugs or for new feature requests. If you do, please include in your description is link to the thread on this forum discussing the issue (if possible), so I have a link between the two and can keep track of all issues.

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Older Discussions: Version 1.8.1, Version 1.8.0, Version 1.7.1, Version 1.6.2, Version 1.5.4, Version 1.5.3 and older.

Thanks goes to Overzealous, for all he has achieved with DMZ. And to stensi, for providing such an amazing code base to work on.

Ty so much! Great Job.

Great job! Congrats!

I’ll test soon

Excellent! I have been eagerly waiting for this. Thanks for all the hard work.

WanWizard, Thank You Very Much~~~!

Thank you!
Can not wait for a try.

A bug has surfaced.

If you use validation in DataMapper, and you haven’t loaded the form validation library, DataMapper generates a missing method error on line 1138.

You can work around this by either loading the form validation library yourself (through autoload or manually) or by removing said line:

I’ll try to fix this and update the distribution tonight.

Thank you!
I have removed this code line.
It works.

than you, i will test as soos as i can

I was tryed to upgrade, follow all instructions, but doesn’t work. The error is:

Obviously, as seen, I’m using the MY_Controller with some common methods and I’m using too the Datamapper::add_model_path():

What might be happening?

Just change the protected to public. I’ll fix this tonight.