class ConvertTimestampsToWithTimeZone < ActiveRecord::Migration[5.2]
  COLUMNS = {
    ar_internal_metadata: [:created_at, :updated_at],
    pastes: [:created_at, :updated_at],
  }

  def up
    COLUMNS.each do |table, columns|
      change_table table do |t|
        columns.each do |column|
          t.change column, :timestamptz
        end
      end
    end
  end

  def down
    COLUMNS.each do |table, columns|
      change_table table do |t|
        columns.each do |column|
          t.change column, :timestamp
        end
      end
    end
  end
end