db/migrate/20200925193815_add_parent_foreign_key_to_bulk_import_entities.rb


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# frozen_string_literal: true

class AddParentForeignKeyToBulkImportEntities < ActiveRecord::Migration[6.0]
  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false

  disable_ddl_transaction!

  def up
    add_concurrent_foreign_key :bulk_import_entities, :bulk_import_entities, column: :parent_id, on_delete: :cascade
  end

  def down
    remove_foreign_key :bulk_import_entities, column: :parent_id
  end
end