Method: Datamappify::Data::Mapper::Attribute#primary_reference_key

Defined in:
lib/datamappify/data/mapper/attribute.rb

#primary_reference_keySymbol

Foreign key of the primary record, useful for joins

Examples:


:user_id

Returns:



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# File 'lib/datamappify/data/mapper/attribute.rb', line 116

def primary_reference_key
  @primary_reference_key ||= :"#{primary_source_class.to_s.demodulize.underscore}_id"
end