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root / db / migrate / 20090704172355_create_groups_users.rb @ 912:5e80956cc792
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class CreateGroupsUsers < ActiveRecord::Migration |
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def self.up |
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create_table :groups_users, :id => false do |t| |
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t.column :group_id, :integer, :null => false |
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t.column :user_id, :integer, :null => false |
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end
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add_index :groups_users, [:group_id, :user_id], :unique => true, :name => :groups_users_ids |
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end
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def self.down |
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drop_table :groups_users
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end
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end
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