<?php

use think\migration\Migrator;
use think\migration\db\Column;
use think\facade\Db;
class AddCustomerVisitingView 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()
    {
        $sql = "CREATE VIEW fl_customer_visiting AS SELECT
        `fl_customer`.`id` AS `customer_id`,
        `fl_employee`.`root_id` AS `root_id`
       FROM (`fl_customer` left join `fl_employee` ON `fl_customer`.`employee_id`=`fl_employee`.`id`)
        where (`return_visit`=1 OR assigned_personnel is null) and `fl_customer`.`id`>0 and `root_id`>0 and `fl_customer`.`died`<>2 and `fl_customer`.`delete_time`=0";
        Db::query($sql);

    }
}