Class | Sequel::Model::Associations::OneToOneAssociationReflection
In: | lib/sequel/model/associations.rb
Parent: | OneToManyAssociationReflection

### Methods

eager_limit_strategy limit_and_offset returns_array?

### Public Instance methods

eager_limit_strategy()

one_to_one associations don‘t use an eager limit strategy by default, but support both DISTINCT ON and window functions as strategies.

[Source]

         # 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

limit_and_offset()

The limit and offset for this association (returned as a two element array).

[Source]

         # File lib/sequel/model/associations.rb, line 408
    408:         def limit_and_offset
    409:           [1, nil]
    410:         end

returns_array?()

one_to_one associations return a single object, not an array

[Source]

         # File lib/sequel/model/associations.rb, line 413
    413:         def returns_array?
    414:           false
    415:         end

[Validate]