method
null_scope?
v4.2.9 -
Show latest stable
- Class:
ActiveRecord::Associations::CollectionAssociation
null_scope?()public
No documentation available.
# File activerecord/lib/active_record/associations/collection_association.rb, line 439
def null_scope?
owner.new_record? && !foreign_key_present?
end- add_to_target
- any?
- build
- concat
- count
- create
- create!
- delete
- delete_all
- destroy
- destroy_all
- distinct
- empty?
- fifth
- find
- first
- forty_two
- fourth
- ids_reader
- ids_writer
- include?
- last
- length
- load_target
- many?
- null_scope?
- reader
- replace
- replace_on_target
- reset
- scope
- second
- select
- size
- take
- third
- transaction
- uniq
- writer
-
_create_record - callback
- callbacks_for
- concat_records
- create_scope
- delete_or_destroy
- delete_records
- fetch_first_nth_or_last_using_find?
- find_by_scan
- find_target
- first_nth_or_last
- get_records
- include_in_memory?
- insert_record
- merge_target_lists
- remove_records
- replace_common_records_in_memory
- replace_records