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Easily debug and pretty print your Ecto SQL queries

Contents

• Installation
• Supporting EctoDbg
• Setting Up EctoDbg
• Attribution

installation

Installation

Available in Hex, the package can be installed by adding ecto_dbg to your list of dependencies in mix.exs:

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

Documentation can be found at https://hexdocs.pm/ecto_dbg.

supporting-ectodbg

Supporting EctoDbg

If you rely on this library help you debug your Ecto queries, it would much appreciated if you can give back to the project in order to help ensure its continued development.

Checkout my GitHub Sponsorship page if you want to help out!

gold-sponsors

Gold Sponsors

silver-sponsors

Silver Sponsors

bronze-sponsors

Bronze Sponsors

setting-up-ectodbg

Setting Up EctoDbg

After adding {:ecto_dbg, "~> 0.1.0"} in your mix.exs file and running mix deps.get, open your repo.ex file and add the following contents:

defmodule MyApp.Repo do
  use Ecto.Repo,
    otp_app: :my_app,
    adapter: Ecto.Adapters.Postgres

  use EctoDbg
end

You can also pass configuration options to EctoDbg if you so chose like so (see the EctoDbg module docs for more information):

defmodule MyApp.Repo do
  use Ecto.Repo,
    otp_app: :my_app,
    adapter: Ecto.Adapters.Postgres

  use EctoDbg, level: :info
end

With that in place, any time that you want to inspect a query that is executed by Ecto, all you need to do is the following

query = from user in User

Repo.all_and_log(query)

By default the use EctoDbg macro will inject the debug functions into your repo module for only the :test and :dev Mix.env() environments. If you would like to override this default behaviour, you can do that by providing the :only option (this value should be a subset of the environments that you passed in your mix.exs file):

defmodule MyApp.Repo do
  use Ecto.Repo,
    otp_app: :my_app,
    adapter: Ecto.Adapters.Postgres

  use EctoDbg, only: :dev
end

attribution

Attribution

• EctoDbg builds upon the EctoDevLogger package and has reused some of the code in that project to achieve a slightly different goal.
• The logo for the project is an edited version of an SVG image from the unDraw project.
• The EctoDbg library wraps pgFormatter in order to provide SQL formatting.