Declares a has_one relationship. In a relationsal database, the foreign key would be on the other table.

Generally speaking, a has_one also implies that the destination table is unique on that foreign key.

Examples

# In a resource called `Word`
has_one :dictionary_entry, DictionaryEntry,
  source_field: :text,
  destination_field: :word_text

Arguments

• :name - The name of the relationship

• :destination - The destination resource

Options

• :destination_field - Required. The field on the related resource that should match the source_field on this resource.

• :source_field - The field on this resource that should match the destination_field on the related resource. The default value is :id.

• :writable? - Whether or not the relationship may be edited. The default value is true.