19 lines
474 B
Ruby
19 lines
474 B
Ruby
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class CreateVersions < ActiveRecord::Migration
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def self.up
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create_table :versions do |t|
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t.string :item_type, :null => false
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t.integer :item_id, :null => false
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t.string :event, :null => false
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t.string :whodunnit
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t.text :object
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t.datetime :created_at
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end
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add_index :versions, [:item_type, :item_id]
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end
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def self.down
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remove_index :versions, [:item_type, :item_id]
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drop_table :versions
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end
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end
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