From 6f9a05787937d006585fc8ea70686be9bdff141d Mon Sep 17 00:00:00 2001
From: Phan An <me@phanan.net>
Date: Fri, 1 Dec 2017 17:50:28 +0100
Subject: [PATCH] Fix a potential migration bug

---
 .../2017_04_29_025836_rename_contributing_artist_id.php       | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/database/migrations/2017_04_29_025836_rename_contributing_artist_id.php b/database/migrations/2017_04_29_025836_rename_contributing_artist_id.php
index f3bf178d..d3a2e1b7 100644
--- a/database/migrations/2017_04_29_025836_rename_contributing_artist_id.php
+++ b/database/migrations/2017_04_29_025836_rename_contributing_artist_id.php
@@ -13,7 +13,9 @@ class RenameContributingArtistId extends Migration
     public function up()
     {
         Schema::table('songs', function ($table) {
+            $table->dropForeign(['contributing_artist_id']);
             $table->renameColumn('contributing_artist_id', 'artist_id');
+            $table->foreign('artist_id')->references('id')->on('artists')->onDelete('cascade');
         });
     }
 
@@ -25,7 +27,9 @@ class RenameContributingArtistId extends Migration
     public function down()
     {
         Schema::table('songs', function ($table) {
+            $table->dropForeign(['contributing_artist_id']);
             $table->renameColumn('artist_id', 'contributing_artist_id');
+            $table->foreign('artist_id')->references('id')->on('artists')->onDelete('cascade');
         });
     }
 }