2017-05-31 141 views
0

我正在研究laravel中的第一个项目,现在我执行搜索功能,但是,我正在做一个涉及多个左连接的查询,并且在搜索时会返回一些冗余信息。在laravel中执行此查询的最佳方式是什么?

相关的表是这四和查询如下:

demo

$searchData = ProfessionalDetail::select('u.id as user_id','u.first_name','u.last_name','u.profile_pic','c.name as city_name','professional_details.avg_ratings') 
    ->join('users as u' , 'u.id', '=' ,'professional_details.user_id') 
    ->join('user_speciality as us' , 'us.user_id', '=' ,'professional_details.user_id') 
    ->join('specialities as sp' , 'sp.id', '=' ,'us.speciality_id') 
    ->join('cities as c' , 'c.id', '=' ,'professional_details.city_id') 
    ->join('users_roles as ur' , 'ur.user_id', '=' ,'professional_details.user_id') 
    ->where(function ($q2) use ($name) { 
     $q2->where('u.first_name' , 'like', '%' . $name . '%') 
     ->orWhere('u.last_name','like', '%'.$name.'%') 
     ->orWhere('u.first_name','like',$name.'%'); 
     ->orWhere('sp.name','like',$name.'%'); 
    }) 
    ->where('ur.role_id' ,'=' , 2) 
    ->paginate($num_per_page); 

    return $searchData;[![demo][1]][1] 

我试了一下,是用户都列出来,通过名称或专业(这是一个医生页面),当专业准备好时,一切进展顺利。但是当我想按用户列出时,有左连接'user_speciality'和'professional_details'。这使用户无数次返回给我。

例如:

public function testApi(Request $request) 
{ 
    $users = ProfessionalDetail::searchByNameAndSpe("joshi", 10); 
    $i = 0; 
    if ($users) { 
     foreach ($users as $key => $value) { 
      $response["result"][] = $value; 
      $response["total"] = $i++; 
     } 

    } else { 
     return "error"; 
    } 

    return $response; 
} 

返回:

{"result":[{"user_id":204,"first_name":"Joshi","last_name":"Mohit","profile_pic":"1495436016.jpg","name":"Skin Specialist","city_name":"Pune","avg_ratings":"0.00"},{"user_id":204,"first_name":"Joshi","last_name":"Mohit","profile_pic":"1495436016.jpg","name":"Heart Specialist","city_name":"Pune","avg_ratings":"0.00"},{"user_id":204,"first_name":"Joshi","last_name":"Mohit","profile_pic":"1495436016.jpg","name":"ENT Specialist","city_name":"Pune","avg_ratings":"0.00"},{"user_id":204,"first_name":"Joshi","last_name":"Mohit","profile_pic":"1495436016.jpg","name":"Kidney Specialist","city_name":"Pune","avg_ratings":"0.00"},{"user_id":204,"first_name":"Joshi","last_name":"Mohit","profile_pic":"1495436016.jpg","name":"Eye Specialist","city_name":"Pune","avg_ratings":"0.00"}],"total":4} 

乔希只能注册一次,但是我知道他会因关系“多对多”,因为他返回了无数次拥有几个专业。现在

demo

,要得到它的专业和用户的名称进行搜索,我所知道的唯一的办法就是使用左加入,我想办法给信息分离将被处理的信息但是II想知道这是否可以在查询中解决,因为我对SQL不太了解,如果有什么办法,我会非常感激,因为它会为我节省很多调试步骤所有的信息。

每个模型的方法

UserSpeciality表

public function users() { 

    return $this->belongsToMany('App\User', 'user_speciality', 'speciality_id', 'user_id'); 
} 

用户

public function userSpeciality() { 
     return $this->belongsToMany('App\Speciality','user_speciality', 'user_id', 'speciality_id'); 
} 

专业

public function users() { 

    return $this->belongsToMany('App\User', 'user_speciality', 'user_id', 'speciality_id'); 
} 

ProfesionalDetail表

public function user(){ 
     return $this->belongsTo("App\User"); 
    } 
+0

你有模型建立这些表? –

+0

如果和每一个都有其相应的关系方法, 我修改了帖子并添加了他们 –

回答

0

有用户ID尝试一次组

GROUPBY(USER_ID)

+0

感谢的人,这是工作 –

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