code/database/migrations/2020_04_28_011457_create_modified_values_table.php
<?php
use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
class CreateModifiedValuesTable extends Migration
{
public function up()
{
Schema::create('modified_values', function (Blueprint $table) {
$table->increments('id');
$table->timestamps();
$table->integer('modifier_id')->unsigned();
$table->string('target_type');
$table->string('target_id');
$table->decimal('amount', 7, 3)->default(0);
$table->foreign('modifier_id')->references('id')->on('modifiers')->onDelete('cascade');
});
}
public function down()
{
Schema::dropIfExists('modified_values');
}
}