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1587113
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0
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2009-10-19T05:36:13.057
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2009-10-19T05:36:13.057
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192221
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1579051
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<p>Do you have a type column of type varchar (string in ruby)? Try the following commands (in a new rails project)</p> <pre><code>class Member < User end C:\projects\test\sti>ruby script\generate model user name:string type:string membertype:string exists app/models/ exists test/unit/ exists test/fixtures/ create app/models/user.rb create test/unit/user_test.rb create test/fixtures/users.yml create db/migrate create db/migrate/20091019051506_create_users.rb C:\projects\test\sti>rake db:migrate (in C:/projects/test/sti) == CreateUsers: migrating ==================================================== -- create_table(:users) -> 0.0000s == CreateUsers: migrated (0.0000s) =========================================== C:\projects\test\sti>ruby script\console Loading development environment (Rails 2.3.4) >> u = User.new => #<User id: nil, name: nil, type: nil, membertype: nil, created_at: nil, updated_at: nil> >> m = Member.new => #<Member id: nil, name: nil, type: "Member", membertype: nil, created_at: nil, updated_at: nil> >> m.name = 'fred' => "fred" >> m.save => true >> u.name = 'rader' => "rader" >> u.save => true >> User.find :all => [#<Member id: 1, name: "fred", type: "Member", membertype: nil, created_at: "2009-10-19 05:17:11", updated_at: "2009-10-19 05:17:11">, #<User id: 2, name: "rader", type: nil, membertype: nil, created_at: "2009-10-19 05:17:24", updated_at: "2009-10-19 05:17:24">] >> </code></pre>
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1. PORails Single table inheritance problem
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1. USkristianp
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1. COYou need to add a special column 'type' which is what ActiveRecord uses to track subclassed models in a single table.
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