Ecto.Association.Has
The association struct for has_one
and has_many
associations.
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 -
related
- The schema that is associated -
owner_key
- The key on theowner
schema used for the association -
related_key
- The key on therelated
schema used for the association -
queryable
- The real query to use for querying association -
on_delete
- The action taken on associations when schema is deleted -
on_replace
- The action taken on associations when schema is replaced -
defaults
- Default fields used when building the association -
relationship
- The relationship to the specified schema, default is:child
© 2013 Plataformatec
© 2020 Dashbit
Licensed under the Apache License, Version 2.0.
https://hexdocs.pm/ecto/Ecto.Association.Has.html