GitHub - a2ikm/polymorphic-association-sample: 超単純なポリモーフィック関連のサンプル with rails3

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超単純なポリモーフィック関連のサンプル with rails3

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Name		Name	Last commit message	Last commit date
Latest commit History 6 Commits
app		app
config		config
db		db
doc		doc
lib		lib
public		public
script		script
test		test
vendor/plugins		vendor/plugins
.gitignore		.gitignore
Gemfile		Gemfile
Gemfile.lock		Gemfile.lock
README		README
Rakefile		Rakefile
config.ru		config.ru

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== Modeling
                          [Guitar]
                        /
  [Owner] - [Ownership] 
                        \
                          [Keyboard]

OwnerとOwnership、GuitarとOwnership、KeyboardとOwnershipはすべて
一対多関連でつながっています。このうちOwnershipからGuitar、keyboardへは
<tt>instrument</tt>というポリモーフィック関連でつながっています。