add reference to submissions

2019_12_16_162708_add_sub_reference_to_form_submissions_table.php

<?php

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

class AddSubReferenceToFormSubmissionsTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::table('form_submissions', function (Blueprint $table) {
            $table->string('sub_reference',16)->after('content')->nullable();
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::table('form_submissions', function (Blueprint $table) {
            //
        });
    }
}