Module: ActiveRecord::Scoping::Default::ClassMethods

Defined in:
activerecord/lib/active_record/scoping/default.rb

Instance Method Summary collapse

Instance Method Details

#before_remove_constObject

:nodoc:


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# File 'activerecord/lib/active_record/scoping/default.rb', line 43

def before_remove_const #:nodoc:
  self.current_scope = nil
end

#scope_attributes?Boolean

Are there attributes associated with this scope?

Returns:

  • (Boolean)

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# File 'activerecord/lib/active_record/scoping/default.rb', line 39

def scope_attributes? # :nodoc:
  super || default_scopes.any? || respond_to?(:default_scope)
end

#unscopedObject

Returns a scope for the model without the previously set scopes.

class Post < ActiveRecord::Base
  def self.default_scope
    where(published: true)
  end
end

Post.all                                  # Fires "SELECT * FROM posts WHERE published = true"
Post.unscoped.all                         # Fires "SELECT * FROM posts"
Post.where(published: false).unscoped.all # Fires "SELECT * FROM posts"

This method also accepts a block. All queries inside the block will not use the previously set scopes.

Post.unscoped {
  Post.limit(10) # Fires "SELECT * FROM posts LIMIT 10"
}

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# File 'activerecord/lib/active_record/scoping/default.rb', line 34

def unscoped
  block_given? ? relation.scoping { yield } : relation
end