Extension -> TypeExtension

Author: aseigo

README.md

@@ -49,11 +49,14 @@ config :my_app, MyApp.Repo,
 
 Type extensions allow custom data types to be stored and retrieved from an SQLite3 database.
 
-This is done by implementing a module with the `Ecto.Adapters.SQLite3.Extension` behaviour which maps types to encoder and decoder functions. Extensions are activated by adding them to the `ecto_sqlite3` configuration as a list of extention modules assigned to the `extensions` key:
+This is done by implementing a module with the `Ecto.Adapters.SQLite3.Extension` behaviour which maps types to encoder and decoder functions. Extensions are activated by adding them to the `ecto_sqlite3` configuration as a list of extention modules assigned to the `type_extensions` key:
 
 ```elixir
+config :exqlite:
+  type_extensions: [GeoSQL.SpatialLite.TypeExtension]
+
 config :ecto_sqlite3,
-  extensions: [GeoSQL.SpatialLite.TypesExtension]
+  type_extensions: [GeoSQL.SpatialLite.TypeExtension]
 ```
 
 ## Database Encryption

lib/ecto/adapters/sqlite3.ex

@@ -571,7 +571,7 @@ defmodule Ecto.Adapters.SQLite3 do
   end
 
   defp extensions() do
-    Application.get_env(:ecto_sqlite3, :extensions, [])
+    Application.get_env(:ecto_sqlite3, :type_extensions, [])
   end
 
   defp loader_from_extension(primitive_type, ecto_type) do

lib/ecto/adapters/sqlite3/extension.ex

@@ -1,4 +1,4 @@
-defmodule Ecto.Adapters.SQLite3.Extension do
+defmodule Ecto.Adapters.SQLite3.TypeExtension do
   @moduledoc """
   A behaviour that defines the API for extensions providing custom data loaders and dumpers
   for Ecto schemas.