create_imageable_table_new.php

<?php namespace BusyRoomsCMS\MediaManager\Updates;

use Schema;
use October\Rain\Database\Schema\Blueprint;
use October\Rain\Database\Updates\Migration;

class CreateImageableTable extends Migration
{
    public function up()
    {
        Schema::create('imageables', function(Blueprint $table) {
            $table->engine = 'InnoDB';
            $table->increments('id');
            $table->integer('image_id')->unsigned();
            $table->integer('imageable_id')->unsigned()->nullable();
            $table->string('imageable_type')->nullable();
            $table->integer('sort_order')->default(0);
            $table->integer('created_by')->unsigned()->nullable();
            $table->integer('updated_by')->unsigned()->nullable();
            $table->timestamp('created_at')->nullable();
            $table->timestamp('updated_at')->nullable();
            $table->foreign('created_by')->references('id')->on('backend_users')->onDelete('set null');
            $table->foreign('updated_by')->references('id')->on('backend_users')->onDelete('set null');
            $table->foreign('image_id')->references('id')->on('busyroomscms_mediamanager_images')->onDelete('cascade');
        });
    }

    public function down()
    {
        Schema::dropIfExists('imageables');
    }
}

create_imageable_table_old.php

<?php namespace BusyRoomsCMS\MediaManager\Updates;

use Schema;
use October\Rain\Database\Schema\Blueprint;
use October\Rain\Database\Updates\Migration;

class CreateImageableTable extends Migration
{
    public function up()
    {
        Schema::create('imageables', function(Blueprint $table) {
            $table->engine = 'InnoDB';
            $table->increments('id');
            $table->integer('image_id');
            $table->integer('imageable_id');
            $table->string('imageable_type');
            $table->integer('sort_order')->nullable();
            $table->integer('created_by')->nullable();
            $table->integer('updated_by')->nullable();
            $table->integer('deleted_by')->nullable();
            $table->timestamp('created_at')->nullable();
            $table->timestamp('updated_at')->nullable();
            $table->timestamp('deleted_at')->nullable();
        });
    }

    public function down()
    {
        Schema::dropIfExists('imageables');
    }
}