Convert mariaex to mysqlex for ecto

mysqlex_ecto.diff

diff --git a/lib/ecto/adapters/mysql.ex b/lib/ecto/adapters/mysql.ex
index 964aaf2..53d2a07 100644
--- a/lib/ecto/adapters/mysql.ex
+++ b/lib/ecto/adapters/mysql.ex
@@ -3,7 +3,7 @@ defmodule Ecto.Adapters.MySQL do
   Adapter module for MySQL.
 
   It handles and pools the connections to the MySQL
-  database using `mariaex` with `poolboy`.
+  database using `mysqlex` with `poolboy`.
 
   ## Options
 
@@ -85,7 +85,7 @@ defmodule Ecto.Adapters.MySQL do
   """
 
   # Inherit all behaviour from Ecto.Adapters.SQL
-  use Ecto.Adapters.SQL, :mariaex
+  use Ecto.Adapters.SQL, :mysqlex
 
   # And provide a custom storage implementation
   @behaviour Ecto.Adapter.Storage
diff --git a/lib/ecto/adapters/mysql/connection.ex b/lib/ecto/adapters/mysql/connection.ex
index 17bc2ce..2dfc16b 100644
--- a/lib/ecto/adapters/mysql/connection.ex
+++ b/lib/ecto/adapters/mysql/connection.ex
@@ -1,4 +1,4 @@
-if Code.ensure_loaded?(Mariaex.Connection) do
+if Code.ensure_loaded?(Mysqlex.Connection) do
 
   defmodule Ecto.Adapters.MySQL.Connection do
     @moduledoc false
@@ -11,12 +11,12 @@ if Code.ensure_loaded?(Mariaex.Connection) do
 
     def connect(opts) do
       opts = Keyword.update(opts, :port, @default_port, &normalize_port/1)
-      Mariaex.Connection.start_link(opts)
+      Mysqlex.Connection.start_link(opts)
     end
 
     def disconnect(conn) do
       try do
-        Mariaex.Connection.stop(conn)
+        Mysqlex.Connection.stop(conn)
       catch
         :exit, {:noproc, _} -> :ok
       end
@@ -29,9 +29,9 @@ if Code.ensure_loaded?(Mariaex.Connection) do
         value -> value
       end
 
-      case Mariaex.Connection.query(conn, sql, params, opts) do
-        {:ok, %Mariaex.Result{} = result} -> {:ok, Map.from_struct(result)}
-        {:error, %Mariaex.Error{}} =  err -> err
+      case Mysqlex.Connection.query(conn, sql, params, opts) do
+        {:ok, %Mysqlex.Result{} = result} -> {:ok, Map.from_struct(result)}
+        {:error, %Mysqlex.Error{}} =  err -> err
       end
     end