<?php

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

class CreateCollectsTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('collects', function (Blueprint $table) {
            $table->id();
            
            $table->bigInteger('uid')->comment('用户id')->index();
            $table->tinyInteger('column')->comment('栏目 1:测评')->index();
            $table->bigInteger('object_id')->comment('对象id')->index();
            $table->string('repeat')->nullable()->comment('去重')->unique();
            
            $table->timestamps();
        });
    }

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