Class | Sequel::Model::Associations::OneToOneAssociationReflection |
In: |
lib/sequel/model/associations.rb
|
Parent: | OneToManyAssociationReflection |
one_to_one associations don‘t use an eager limit strategy by default, but support both DISTINCT ON and window functions as strategies.
# File lib/sequel/model/associations.rb, line 389 389: def eager_limit_strategy 390: fetch(:_eager_limit_strategy) do 391: self[:_eager_limit_strategy] = case s = self[:eager_limit_strategy] 392: when Symbol 393: s 394: when true 395: ds = associated_class.dataset 396: if ds.supports_ordered_distinct_on? 397: :distinct_on 398: elsif ds.supports_window_functions? 399: :window_function 400: end 401: else 402: nil 403: end 404: end 405: end
The limit and offset for this association (returned as a two element array).
# File lib/sequel/model/associations.rb, line 408 408: def limit_and_offset 409: [1, nil] 410: end