class CreateUploads < ActiveRecord::Migration[4.2] include Gitlab::Database::MigrationHelpers DOWNTIME = false def change create_table :uploads do |t| t.integer :size, limit: 8, null: false t.string :path, null: false t.string :checksum, limit: 64 t.references :model, polymorphic: true t.string :uploader, null: false t.datetime :created_at, null: false end add_index :uploads, :path add_index :uploads, :checksum add_index :uploads, [:model_id, :model_type] end end