ruby-on-rails - Ruby on Rails: Update boolean record in database

Question

if my database is set to as false, whats the best practice in updating boolean value in database?

I can do it on console:

>> u = User.find_by_id(1)

What do I do next?

Thanks

Answer 1

如果要切换布尔值：

u.toggle!(:<attribute>)  # Toggles the boolean and saves without validations
u.toggle(:<attribute>)   # Toggles the boolean and does not save

如果要设置布尔值：

u.<attribute> = [true|false]

如果要立即更新布尔值：

u.update_column(:<attribute>, [true|false])  # Doesn't update timestamps or call callbacks
u.update_attribute(:<attribute>, [true|false])  # Updates timestamps and triggers any callbacks

Answer 2

>> u.boolean_property = false
>> u.save

其中boolean_property是要设置为 false 的属性的名称。

这是最简单的方式（直接设置即可），还有其他方式，看你的需要： http ://www.davidverhasselt.com/2011/06/28/5-ways-to-set-attributes-in -活动记录/