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by ShaneWilton
3372 days ago
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This code snippet is a little bit confusing if you aren't already familiar with Elixir, because most of the syntax you're seeing is actually from Ecto's [0] DSL. Calling "use Ecto.Schema" at the top of the module brings some extra functionality into the current scope. For example, embedded_schema is a macro exported by Ecto.Schema [1]. embeds_many is another such macro [2], that allows you embed another schema, in-line, into the current schema. This is contrast to your more common has_many relationship, which references another table entirely. Here, :string, :map, etc are atoms that are being passed to the field macro [3], to define the schema for the table. [0] Basically a super lightweight ActiveRecord [1] https://github.com/elixir-ecto/ecto/blob/b030353d4b94ddd4216... [2] https://github.com/elixir-ecto/ecto/blob/b030353d4b94ddd4216... [3] https://github.com/elixir-ecto/ecto/blob/b030353d4b94ddd4216... |
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