Happily using Mongoid
and ActiveRecord
like this:
愉快地使用Mongoid和ActiveRecord如下:
Task.where(project_id: params[:project_id], archived_at: nil)
# find me the tasks for project_id that haven't been archived
But what's a straightforward way for saying the opposite?
但是,用什么直接的方式来表达相反的意思呢?
# find me the tasks for project_id that have been archived
# i.e. where archived_at is not nil
Can't figure out or find out the inverse of the first line of code. I assume it should be straightforward :)
无法求出或求出第一行代码的倒数。我想应该很简单:
1 个解决方案
#1
2
I think you want to use this:
我想你想用这个:
:archived_at.ne => nil
Take a look at here: MongoId-Matchers-NE
请看这里:MongoId-Matchers-NE。
#1
2
I think you want to use this:
我想你想用这个:
:archived_at.ne => nil
Take a look at here: MongoId-Matchers-NE
请看这里:MongoId-Matchers-NE。