View file hrm-saas-2.5.7/script/database/migrations/2015_06_08_051127_add_expense_to_payrolls.php

<?php

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

class AddExpenseToPayrolls extends Migration {

	/**
	 * Run the migrations.
	 *
	 * @return void
	 */
	public function up()
	{
		Schema::table('payrolls', function(Blueprint $table)
		{
			$table->string('expense');
            $table->unsignedInteger("company_id");
            $table->foreign("company_id")->references("id")->on("companies")->onUpdate("cascade")->onDelete("cascade");
		});
	}

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

}