id(); $table->integer('site_id')->unsigned(); $table->string('name',64)->unique(); $table->integer('account_id')->unsigned(); $table->foreign(['site_id'])->references(['id'])->on('sites'); $table->unique(['id','site_id']); $table->integer('parent_id')->unsigned()->nullable(); $table->foreign(['parent_id','site_id'])->references(['id','site_id'])->on('rtm'); }); } /** * Reverse the migrations. * * @return void */ public function down() { Schema::drop('rtm'); } };