class ActiveRecord::ConnectionAdapters::NullTransaction

def add_record(record, _ = true); end

def after_commit; yield; end

def after_rollback; end

def before_commit; yield; end

def closed?; true; end

def dirty!; end

def dirty?; false; end

def invalidate!; end

def invalidated?; false; end

def joinable?; false; end

def materialized?; false; end

def open?; false; end

def restartable?; false; end

def state; end

def user_transaction; ActiveRecord::Transaction::NULL_TRANSACTION; end