From 11249c2ecaaa96ec7f24a16b6fa64031d0ae78cf Mon Sep 17 00:00:00 2001
From: zimt28 <1764689+zimt28@users.noreply.github.com>
Date: Sat, 16 Jan 2021 02:56:07 +0100
Subject: [PATCH] Fix incorrect joins

---
 lib/migration_generator/operation.ex | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/migration_generator/operation.ex b/lib/migration_generator/operation.ex
index 3299560a..449f9a91 100644
--- a/lib/migration_generator/operation.ex
+++ b/lib/migration_generator/operation.ex
@@ -3,7 +3,13 @@ defmodule AshPostgres.MigrationGenerator.Operation do
 
   defmodule Helper do
     @moduledoc false
-    def join(list), do: list |> List.flatten() |> Enum.reject(&is_nil/1) |> Enum.join(", ")
+    def join(list),
+      do:
+        list
+        |> List.flatten()
+        |> Enum.reject(&is_nil/1)
+        |> Enum.join(", ")
+        |> String.replace(", )", ")")
 
     def maybe_add_default("nil"), do: nil
     def maybe_add_default(value), do: "default: #{value}"