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class CreateTalkPreferences < ActiveRecord::Migration[4.2]
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def change
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create_table :talk_preferences, id: false do |t|
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t.string :unique_id, null: false
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t.string :ip_address
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t.text :talks
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t.timestamps null: false
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end
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add_index :talk_preferences, :unique_id, unique: true
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end
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end
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