Add new migration

database/migrations/2019_04_25_200411_add_snowflake_ids_to_collections_table.php

@@ -0,0 +1,43 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class AddSnowflakeIdsToCollectionsTable extends Migration
+{
+    public function __construct()
+    {
+        DB::getDoctrineSchemaManager()->getDatabasePlatform()->registerDoctrineTypeMapping('enum', 'string');
+    }
+
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('collections', function (Blueprint $table) {
+            $table->dropPrimary('id');
+            $table->bigInteger('id')->unsigned()->primary()->change();
+        });
+
+        Schema::table('collection_items', function (Blueprint $table) {
+            $table->dropPrimary('id');
+            $table->bigInteger('id')->unsigned()->primary()->change();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('collections', function (Blueprint $table) {
+            //
+        });
+    }
+}