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我有一个主表“Qsos”和一堆关系的项目。现在,当我尝试创建高级搜索时,我不知道如何同时查询所有关系。通联模式有以下:Laravel 4雄辩关系查询
public function band()
{
return $this->belongsTo('Band');
}
public function mode()
{
return $this->belongsTo('Mode');
}
public function prefixes()
{
return $this->belongsToMany('Prefix');
}
public function user()
{
return $this->belongsTo('User');
}
public function customization() {
return $this->hasOne('Customization');
}
然后,我有SearchController与以下有返回的所有类星体下列规定的条件集合代码:
$qsos = Qso::withUser($currentUser->id)
->join('prefix_qso','qsos.id','=','prefix_qso.qso_id')
->join('prefixes','prefixes.id','=','prefix_qso.prefix_id')
->where('prefixes.territory','like',$qTerritory)
->withBand($qBand)
->withMode($qMode)
->where('call','like','%'.$input['qCall'].'%')
->orderBy('qsos.id','DESC')
->paginate('20');
然后在视图我需要调用$ qso-> prefixes-> first()和$ qso-> prefixes-> last()(Qso和Prefix具有manyToMany关系),但都返回null。哪里不对?
如果我取出来拿走了(“前缀”)的速度变得可以接受 – brack11