ruiRoad_pro_v1.0/app/model/store/yoga/CoachSchedulingModel.php

<?php
namespace app\model\store\yoga;
use app\yoga\model\appointment\AppointmentModel;
use app\common\model\CommonModel;
use app\yoga\model\project\ProjectModel;

class CoachSchedulingModel extends CommonModel{
    protected  $name = 'yoga_coach_scheduling';
    protected  $pk   = 'scheduling_id';

    public function project()
    {
        return $this->hasOne(ProjectModel::class,'project_id','project_id');
    }

    public function coach()
    {
        return $this->hasOne(CoachModel::class,'coach_id','coach_id');
    }

    public function appointment()
    {
        return $this->hasMany(AppointmentModel::class,'scheduling_id','scheduling_id');
    }
}