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root / db / migrate / 20110902000000_create_changeset_parents.rb @ 1298:4f746d8966dd
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class CreateChangesetParents < ActiveRecord::Migration |
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def self.up |
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create_table :changeset_parents, :id => false do |t| |
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t.column :changeset_id, :integer, :null => false |
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t.column :parent_id, :integer, :null => false |
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end
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add_index :changeset_parents, [:changeset_id], :unique => false, :name => :changeset_parents_changeset_ids |
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add_index :changeset_parents, [:parent_id], :unique => false, :name => :changeset_parents_parent_ids |
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end
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def self.down |
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drop_table :changeset_parents
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end
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end
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