Ecto.Association.BelongsTo (Ecto v3.7.1) View Source

The association struct for a belongs_to association.

Its fields are:

  • cardinality - The association cardinality
  • field - The name of the association field on the schema
  • owner - The schema where the association was defined
  • owner_key - The key on the owner schema used for the association
  • related - The schema that is associated
  • related_key - The key on the related schema used for the association
  • queryable - The real query to use for querying association
  • defaults - Default fields used when building the association
  • relationship - The relationship to the specified schema, default :parent
  • on_replace - The action taken on associations when schema is replaced