php - Laravel 5.4 SQLSTATE[42S22] : Column not found (but the column exists! )

Question

这是一个非常奇怪的错误，也许我忽略了一些东西:我正在运行这个查询:

    $getUnsupportedOS = Nessus::select('nessus_tags.unsupported_os')
        ->where('nessus_tags.unsupported_os', '=', 'true')
        ->join('nessus_tags','nessus_results.tagID','=','nessus_tags.tagID')
        ->whereRaw('nessus_results.scan_end >= UNIX_TIMESTAMP((NOW() - INTERVAL '.'1'.' MONTH))')
        ->count();

但它给我这个错误:

SQLSTATE[42S22]: Column not found: 1054 Unknown column 'nessus_tags.unsupported_os' in 'where clause' (SQL: select count(*) as aggregate from `nessus_results` inner join `nessus_tags` on `nessus_results`.`tagID` = `nessus_tags`.`tagID` where `nessus_tags`.`unsupported_os` != and nessus_results.scan_end >= UNIX_TIMESTAMP((NOW() - INTERVAL 1 MONTH)))

但是，正如您在所附图片中看到的(“列存在”)，该表确实存在。我缺少什么？

在此先感谢您的帮助。

最好的问候!

column exists

Answer 1

将模型与表格连接通常是一个危险信号。相反，您应该创建一个相关模型并定义一个关系:

class Nessus {
       protected $table='nessus_results';
       //model

      public function tags() {
             return $this->hasMany(NessusTag::class, 'tagID');
      }  
}

然后你可以这样做:

$getUnsupportedOS = Nessus::withCount([ "tags" => function ($q) {
        return $q->where("unsupported_os","=","true"); 
 }])->whereRaw('scan_end >= UNIX_TIMESTAMP((NOW() - INTERVAL '.'1'.' MONTH))')->first();

然后计数在:$getUnsupprtedOS->tags_count