Fix auto increment bug

database/migrations/2016_07_09_054503_fix_artist_autoindex_value.php

@@ -0,0 +1,36 @@
+<?php
+
+use App\Models\Artist;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class FixArtistAutoindexValue extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        // This is to fix the auto increment bug caused by 2016_04_16_082627_create_various_artists
+
+        // Return if the database driver is not MySQL.
+        if (DB::getDriverName() !== 'mysql') {
+            return;
+        }
+
+        $latestArtist = Artist::orderBy('id', 'DESC')->first();
+        DB::statement("ALTER TABLE artists AUTO_INCREMENT=".($latestArtist->id + 1));
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        //
+    }
+}