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sql_select
2013 Jun 15
1
A puzzle about default_scope
Hi, guys
I have a puzzle about default_scope.
Suppose I have two model:
class User < ActiveRecord::Base
has_many :blogs
default_scope where(deleted_at: nil)
end
class Blog < ActiveRecord::Base
belongs_to :user
end
I want to produce sqlselect blogs.* from blogs inner join users on users.id
= blogs.user_id and users.deleted_at is null
And the code Blog.joins(:user), which I think is good, produceselect
blogs.* from blogs inner join users on users.id = blogs.user_id
The default_scope is not appended to the join condition, why?
To rea...