staffmanager/database/migrations/2020_04_29_022421_create_votes_table.php

<?php

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

class CreateVotesTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('votes', function (Blueprint $table) {
            $table->id();
            $table->bigInteger('userID')->unsigned();
            $table->enum('allowedVoteType', [
                'VOTE_DENY',
                'VOTE_APPROVE'
            ]);
            $table->timestamps();

            $table->foreign('userID')
                ->references('id')
                ->on('users');
        });
    }

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