EctoExplorer

A small utility that uses metaprogramming to provide a neat ~>/2 macro to explore Ecto associations without having to Repo.preload/2 all the time.

Use it like this:

iex> use EctoExplorer, repo: EctoExplorer.Repo
EctoExplorer

iex> f = Repo.get_by(Flag, colors: "YBR")
%EctoExplorer.Schemas.Flag{...}

iex> f~>country.addresses[0].postal_code
"postal_code_ECU_1"

What’s missing

• Currently the Repo.preload/2 being executed under the hood for you isn’t sorting results by ID, hence the code doesn’t guarantee that addresses[-1] is in fact the last address that was inserted (or that addresses[0] is the first one).

Installation

The package can be installed by adding ecto_explorer to your list of dependencies in mix.exs:

def deps do
  [
    {:ecto_explorer, "~> 0.1.0", only: [:dev, :test]}
  ]
end

ℹ️ Notice that we’re only adding it as a dependency for :dev and :test Mix environments.

🚨 Please don’t use this in Production! This library is a convenience to quickly navigate complex domain models, it shouldn’t ever be considered as a replacement of proper consideration of how you Repo.preload/2 your associations.

Docs can be found at https://hexdocs.pm/ecto_explorer.