public
Description: simple identity map for active record. eager loading associations FTL
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Clone URL: git://github.com/technoweenie/active_record_context.git
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technoweenie (author)
Sat Sep 29 11:21:22 -0700 2007
commit  53307381cc6ae0ce3a4783ea732570bfaa9fe3c8
tree    bf4fcd730c1d22abe9a69ab21c9b6a39fbf5a39a
parent  9fb24fc500d1e617626660449c34cefc58ff7155
name age message
file README Sun Nov 26 00:21:19 -0800 2006 add logging git-svn-id: http://svn.techno-ween... [technoweenie]
file Rakefile Sat Nov 25 22:50:21 -0800 2006 add active_record_context plugin git-svn-id: h... [technoweenie]
file init.rb Loading commit data...
directory lib/
directory test/
README
ActiveRecordContext
===================

Simple ActiveRecord context for caching AR objects.  It caches all records from #find queries
that aren't readonly, and that don't have eagerly loaded associations. It only looks in the context
on simple Foo.find(id) queries with no conditions.  It's designed to work as an alternative to eager
loading associations.  It will also help all the extra find calls for models that access their associations
in callbacks/validations.

It only uses the context when it's activated.  To activate, you can set a controller around_filter:

  around_filter :set_context
  
  def set_context
    ActiveRecord::Base.with_context do
      yield
    end
  end
  
Set Technoweenie::ActiveRecordContext.log_context_activity = true to turn on debug logging.