Improve the generation of the 'exists?' function.

lib/context_functions_generator.ex

@@ -13,9 +13,11 @@ defmodule ContextFunctionsGenerator do
   def generate_function(:exists, name, _pluralized_name, module, opts) do
     quote do
       def unquote(:"#{name}_exists?")(id) do
-        Ecto.Query.from(m in unquote(module))
-        |> Ecto.Query.where([m], m.id == ^id)
-        |> unquote(get_repo_module(opts)).exists?()
+        import Ecto.Query, only: [from: 2]
+
+        query = Ecto.Query.from(x in unquote(module), where: x.id == ^id)
+
+        unquote(get_repo_module(opts)).exists?(query)
       end
     end
   end

lib/crudry_context.ex

@@ -30,9 +30,11 @@ defmodule Crudry.Context do
         ## Exists functions
 
         def my_schema_exists?(id) do
-          from(m in MySchema)
-          |> where([m], m.id == ^id)
-          |> Repo.exists?()
+          import Ecto.Query, only: [from: 2]
+
+          query = Ecto.Query.from(x in MySchema, where: x.id == ^id)
+
+          Repo.exists?(query)
         end
 
         ## Get functions

test/crudry_context_test.exs

@@ -2,8 +2,6 @@ defmodule CrudryContextTest do
   use ExUnit.Case
   doctest Crudry.Context
 
-  require Ecto.Query
-
   alias Crudry.Repo
   alias Crudry.{Post, User}