database/migrations/2018_04_20_180038_create_readers_table.php
<?php
declare(strict_types=1);
use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;
final class CreateReadersTable extends Migration
{
/**
* Migrate Up.
*/
public function up(): void
{
if (! Schema::hasTable('readers')) {
Schema::create('readers', function (Blueprint $table) {
$table->increments('id');
$table->string('relate_type', 10);
$table->integer('relate_id');
$table->ipAddress('ip');
$table->integer('created_at');
$table->index(['relate_type', 'relate_id', 'ip']);
});
}
}
/**
* Migrate Down.
*/
public function down(): void
{
Schema::dropIfExists('readers');
}
}