izyim-api/database/migrations/2018_05_16_085135_create_decisions_table.php

<?php

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

class CreateDecisionsTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('decisions', function (Blueprint $table) {
            $table->increments('id');

            $table->unsignedInteger('wa_id');//FK warehouse arrangement
            $table->foreign('wa_id')
                  ->references('id')->on('warehousearrs')
                  ->onDelete('cascade');

            $table->string('decision_type');
            $table->string('description');
            $table->timestamps();
        });
    }

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