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Ecto.Association.ManyToMany

The association struct for many_to_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 the owner 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 :child
  • join_keys - The keyword list with many to many join keys
  • join_through - Atom (representing a schema) or a string (representing a table) for many to many associations

© 2012 Plataformatec
Licensed under the Apache License, Version 2.0.
https://hexdocs.pm/ecto/Ecto.Association.ManyToMany.html