db/migrate/20160121174450_add_deleted_at_to_employees_scheduled_messages_and_sent_scheduled_messages.rb
class AddDeletedAtToEmployeesScheduledMessagesAndSentScheduledMessages < ActiveRecord::Migration
def change
add_column :employees, :deleted_at, :datetime
add_column :scheduled_messages, :deleted_at, :datetime
add_column :sent_scheduled_messages, :deleted_at, :datetime
add_index :employees, :deleted_at
add_index :scheduled_messages, :deleted_at
add_index :sent_scheduled_messages, :deleted_at
end
end