db/migrate/20190628185004_backfill_and_add_not_null_constraint_to_released_at_column_on_releases_table.rb


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# frozen_string_literal: true

class BackfillAndAddNotNullConstraintToReleasedAtColumnOnReleasesTable < ActiveRecord::Migration[5.1]
  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false

  disable_ddl_transaction!

  def up
    update_column_in_batches(:releases, :released_at, Arel.sql('created_at'))
    change_column_null(:releases, :released_at, false)
  end

  def down
    change_column_null(:releases, :released_at, true)
  end
end