always-open/laravel-model-auditlog

<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

class {CLASS_NAME} extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('{TABLE_NAME}', function (Blueprint $table) {
            $table->id();
            $table->unsignedInteger('subject_id')->index();
            $table->unsignedInteger('user_id')->nullable()->index();
            $table->unsignedTinyInteger('event_type')->index();
            $table->string('field_name')->index();
            $table->string('field_value_old')->nullable()->index();
            $table->string('field_value_new')->nullable()->index();
            $table->timestamp('occurred_at', {PRECISION})->index();
            $table->timestamps();
            {PROCESS_IDS_SETUP}

            {FOREIGN_KEY_SUBJECT}

            {FOREIGN_KEY_USER}
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('{TABLE_NAME}');
    }
}