Class: Sequel::Model::Associations::ManyToOneAssociationReflection

associated_object_keys()

many_to_one associations can only have associated objects if none of the :keys options have a nil value.

     # File lib/sequel/model/associations.rb, line 229
229:         def can_have_associated_objects?(obj)
230:           !self[:keys].any?{|k| obj.send(k).nil?}
231:         end

dataset_need_primary_key?()

Whether the dataset needs a primary key to function, false for many_to_one associations.

[Source]

     # File lib/sequel/model/associations.rb, line 234
234:         def dataset_need_primary_key?
235:           false
236:         end

default_key()

Default foreign key name symbol for foreign key in current model‘s table that points to the given association‘s table‘s primary key.

[Source]

     # File lib/sequel/model/associations.rb, line 240
240:         def default_key
241: 
242:           "#{self[:name]}_id"
243:         end

eager_graph_lazy_dataset?()

Whether to eagerly graph a lazy dataset, true for many_to_one associations only if the key is nil.

[Source]

     # File lib/sequel/model/associations.rb, line 246
246:         def eager_graph_lazy_dataset?
247:           self[:key].nil?
248:         end

eager_limit_strategy()

many_to_one associations don‘t need an eager limit strategy

[Source]

     # File lib/sequel/model/associations.rb, line 251
251:         def eager_limit_strategy
252:           nil
253:         end

eager_loader_key()

The key to use for the key hash when eager loading

[Source]

     # File lib/sequel/model/associations.rb, line 256
256:         def eager_loader_key
257:           self[:eager_loader_key] ||= self[:key]
258:         end

primary_key()

The column(s) in the associated table that the key in the current table references (either a symbol or an array).

[Source]

     # File lib/sequel/model/associations.rb, line 261
261:         def primary_key
262:          self[:primary_key] ||= associated_class.primary_key
263:         end

primary_keys()

The columns in the associated table that the key in the current table references (always an array).

[Source]

     # File lib/sequel/model/associations.rb, line 266
266:         def primary_keys
267:          self[:primary_keys] ||= Array(primary_key)
268:         end

qualified_primary_key()

primary_key qualified by the associated table

[Source]

     # File lib/sequel/model/associations.rb, line 272
272:         def qualified_primary_key
273:           self[:qualified_primary_key] ||= self[:qualify] == false ? primary_key : qualify_assoc(primary_key)
274:         end

reciprocal_array?()

True only if the reciprocal is a one_to_many association.

[Source]

     # File lib/sequel/model/associations.rb, line 277
277:         def reciprocal_array?
278:           !set_reciprocal_to_self?
279:         end

returns_array?()

Whether this association returns an array of objects instead of a single object, false for a many_to_one association.

[Source]

     # File lib/sequel/model/associations.rb, line 283
283:         def returns_array?
284:           false
285:         end

set_reciprocal_to_self?()

True only if the reciprocal is a one_to_one association.

[Source]

     # File lib/sequel/model/associations.rb, line 288
288:         def set_reciprocal_to_self?
289:           reciprocal
290:           self[:reciprocal_type] == :one_to_one
291:         end

Methods

Public Instance methods