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

Inherits:
AssociationReflection show all
Defined in:
lib/sequel/model/association_reflection.rb

Instance Method Summary collapse

Methods inherited from AssociationReflection

#_add_method, #_dataset_method, #_remove_all_method, #_remove_method, #_setter_method, #add_method, #associated_class, #association_method, #dataset_helper_method, #dataset_method, #need_associated_primary_key?, #reciprocal, #reciprocal_array?, #remove_all_method, #remove_method, #select, #set_reciprocal_to_self?, #setter_method

Methods included from Inflections

clear, irregular, plural, singular, uncountable

Methods inherited from Hash

#&, #case, #sql_expr, #sql_negate, #sql_or, #|, #~

Instance Method Details

#dataset_need_primary_key? ⇒ Boolean

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

Returns:

  • (Boolean) 


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# File 'lib/sequel/model/association_reflection.rb', line 132

def dataset_need_primary_key?
  false
end

#default_key ⇒ Object

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



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# File 'lib/sequel/model/association_reflection.rb', line 138

def default_key
  :"#{self[:name]}_id"
end

#eager_graph_lazy_dataset? ⇒ Boolean

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

Returns:

  • (Boolean) 


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# File 'lib/sequel/model/association_reflection.rb', line 144

def eager_graph_lazy_dataset?
  self[:key].nil?
end

#eager_loader_key ⇒ Object

The key to use for the key hash when eager loading



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# File 'lib/sequel/model/association_reflection.rb', line 149

def eager_loader_key
  self[:key]
end

#primary_key ⇒ Object

The column in the associated table that the key in the current table references.



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# File 'lib/sequel/model/association_reflection.rb', line 154

def primary_key
 self[:primary_key] ||= associated_class.primary_key
end

#returns_array? ⇒ Boolean

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

Returns:

  • (Boolean) 


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# File 'lib/sequel/model/association_reflection.rb', line 160

def returns_array?
  false
end