almasvareh/database/migrations/2020_06_24_062628_create_categorizables_table.php

<?php

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

class CreateCategorizablesTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('categorizables', function (Blueprint $table) {

             $table->integer('category_id');
             $table->integer('categorizable_id');
             $table->string('categorizable_type');
        });
    }

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