<?php

use think\migration\Migrator;
use think\migration\db\Column;

class CreateAnalysisDailyVisitTable extends Migrator
{
    /**
     * Change Method.
     *
     * Write your reversible migrations using this method.
     *
     * More information on writing migrations is available here:
     * http://docs.phinx.org/en/latest/migrations.html#the-abstractmigration-class
     *
     * The following commands can be used in this method and Phinx will
     * automatically reverse them when rolling back:
     *
     *    createTable
     *    renameTable
     *    addColumn
     *    renameColumn
     *    addIndex
     *    addForeignKey
     *
     * Remember to call "create()" or "update()" and NOT "save()" when working
     * with the Table class.
     */
    public function change()
    {
        $this->table('analysis_daily_visit', array('id' => true, 'primary_key' => ['id'], 'engine' => 'InnoDB', 'comment' => '每日访问趋势表'))

            // 指标-打开
            // 日期：20220221
            ->addColumn('ref_date', 'string',array('limit'  =>  50,'default'=>'','comment'=>'日期'))
            ->addColumn('start_time', 'integer', array('limit'  =>  11, 'signed' => false, 'default' => 0, 'comment' => '开始时间'))
            ->addColumn('end_time', 'integer', array('limit'  =>  11, 'signed' => false, 'default' => 0, 'comment' => '结束时间'))
            ->addColumn('session_cnt', 'integer',array('limit'  =>  10, 'signed' => false, 'default'=> 0,'comment'=>'打开次数'))
            ->addColumn('visit_pv', 'integer',array('limit'  =>  10, 'signed' => false, 'default'=> 0,'comment'=>'访问次数'))
            ->addColumn('visit_uv', 'integer',array('limit'  =>  10, 'signed' => false, 'default'=> 0,'comment'=>'访问人数'))
            ->addColumn('visit_uv_new', 'integer',array('limit'  =>  10, 'signed' => false, 'default'=> 0,'comment'=>'新用户数'))
            ->addColumn('stay_time_uv', 'decimal',array('limit'  =>  11,'precision'=>10,'scale'=>4,'signed'=>false,'default'=>0,'comment'=>'人均停留时长 (浮点型，单位：秒)'))
            ->addColumn('stay_time_session', 'decimal',array('limit'  =>  11,'precision'=>10,'scale'=>4,'signed'=>false,'default'=>0,'comment'=>'次均停留时长 (浮点型，单位：秒)'))
            ->addColumn('visit_depth', 'decimal',array('limit'  =>  11,'precision'=>10,'scale'=>4,'signed'=>false,'default'=>0,'comment'=>'平均访问深度 (浮点型)'))

            // 访问留存人数 计算得出
            // 访问回流人数 计算得出

            ->addColumn('visit_total', 'integer',array('limit'  =>  10, 'signed' => false, 'default'=> 0,'comment'=>'累计用户数'))
            // 指标-分享
            ->addColumn('share_pv', 'integer',array('limit'  =>  10, 'signed' => false, 'default'=> 0,'comment'=>'转发次数'))
            ->addColumn('share_uv', 'integer',array('limit'  =>  10, 'signed' => false, 'default'=> 0,'comment'=>'转发人数'))

            ->addColumn('create_time', 'integer', array('limit'  =>  10,'signed' => false, 'default' => 0, 'comment' => '创建时间'))
            ->addColumn('update_time', 'integer', array('limit'  =>  10,'signed' => false, 'default' => 0, 'comment' => '更新时间'))
            ->create();
    }
}