db/migrate/20150111153140_add_some_more_missing_indexes.rb


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class AddSomeMoreMissingIndexes < ActiveRecord::Migration
  def change
    add_index :locations, [:locatable_id, :locatable_type]
    add_index :photos, [:imageable_id, :imageable_type]
    add_index :creations, :category_id
    add_index :categories, :slug
  end
end