From 1a5e0a91c6f2021c2b6d04810e0dc72e6b9b0d75 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Valim?= <jose.valim@plataformatec.com.br>
Date: Sun, 5 May 2019 14:01:02 +0200
Subject: [PATCH] Fix callback spec

---
 lib/ecto/adapters/sql/connection.ex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/ecto/adapters/sql/connection.ex b/lib/ecto/adapters/sql/connection.ex
index a6233f4c..19cc33e4 100644
--- a/lib/ecto/adapters/sql/connection.ex
+++ b/lib/ecto/adapters/sql/connection.ex
@@ -113,5 +113,5 @@ defmodule Ecto.Adapters.SQL.Connection do
   @doc """
   Returns a queryable to check if the given `table` exists.
   """
-  @callback table_exists_query(table :: String.t) :: Ecto.Query.t
+  @callback table_exists_query(table :: String.t) :: {iodata, [term]}
 end