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Define an Ecto.Repo with a required adapter and diagnose invalid adapter configuration at compile time

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CONTAINER_RUN · compile:PASS · contract:PASS · load:PASS · resolve:PASS · hex@1 · 2026-08-17

목표: Define an Ecto.Repo with a required adapter and diagnose invalid adapter configuration at compile time HOW
패키지: ecto 3.14.1
환경: elixir
생성일: 2026-08-17T04:42:58Z

Defining `use Ecto.Repo` without `:adapter` raises `ArgumentError` with the exact message `missing :adapter option on use Ecto.Repo` while the module is compiled.
Pointing `:adapter` at a compiled module that does not declare the `Ecto.Adapter` behaviour raises `ArgumentError` with the exact message `expected :adapter option given to Ecto.Repo to list Ecto.Adapter as a behaviour`.
Pointing `:adapter` at a module that declares the `Ecto.Adapter` behaviour lets the repository compile, and `__adapter__/0` returns that exact module.

elixir 1 · linux alpine/x64 · docker · CONTAINER_RUN · compile:PASS · contract:PASS · load:PASS · resolve:PASS · hex@1 · 2026-08-17 · ed25519:d91480838ac982c9