vbbs/database/migrations/2018_12_03_104758_init_database.php

<?php

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

class InitDatabase extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
    	$this->down();

    	Schema::create('modes', function (Blueprint $table) {
			$table->timestamps();
			$table->integer('id')->autoIncrement();
			$table->string('name',16);
			$table->string('note',255);

			$table->unique(['name']);
	    });

	    Schema::create('cugs', function (Blueprint $table) {
			$table->timestamps();
			$table->integer('id');
			$table->string('name',16);
			$table->string('note',255);
			$table->integer('parent_id')->nullable();

			$table->primary('id');
			$table->foreign('parent_id')->references('id')->on('cugs');
			$table->unique(['name']);
	    });

        Schema::create('frames', function (Blueprint $table) {
			$table->timestamps();
			$table->integer('id')->autoIncrement();
			$table->integer('frame');
			$table->char('index',1);
			$table->integer('mode_id');
			$table->char('type',2);
			$table->smallInteger('cost')->default(0);
			$table->integer('cug_id')->default(0);
			$table->boolean('public')->default(FALSE);
			$table->binary('content');
			$table->string('note',255)->nullable();

			//$table->unique(['frame','index','mode_id']);  // Not needed since we have timewarp

			$table->foreign('mode_id')->references('id')->on('modes');
			$table->foreign('cug_id')->references('id')->on('cugs');
        });

	    Schema::create('routes', function (Blueprint $table) {
			$table->integer('id')->autoIncrement();
			$table->char('key',1);
			$table->integer('route');

			$table->foreign('route')->references('id')->on('frames');
	    });
    }

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