doushan5222 2015-02-19 12:58
浏览 72

Laravel Mysql JOIN无法正常工作

I have 2 tables:

I need to get the table2 rows for each table 1 rows if table2.id=table1.id are equal.

I need something like this: t1.row1=array("t2.row1","t2.row2" etc.);

I used this:

$first= DB::table('resurse')
    ->join('alocare', function($join)
    {
        $join->on( 'resurse.id', '=','alocare.resursa');
    })
   ->groupBy('id')->get();
var_dump($first);

the response is:

    array (size=2)
0 => 
object(stdClass)[159]
  public 'id' => int 1
  public 'denumire' => string 'APAD' (length=4)
  public 'id_aloc' => int 1
  public 'resursa' => int 1
  public 'subunitate' => int 1
  public 'status' => string 'btn btn-danger' (length=14)
1 => 
  object(stdClass)[160]
  public 'id' => int 2
  public 'denumire' => string 'AD' (length=2)
  public 'id_aloc' => int 3
  public 'resursa' => int 2
  public 'subunitate' => int 2
  public 'status' => string 'btn btn-danger' (length=14)
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1条回答 默认 最新

  • douchen9569 2015-02-19 13:28
    关注

    According to you comment, i can assume these solutions to your question: Get data from database with join in Laravel.

    DB::table('resurse')
    ->rightJoin('alocare', 'resurse.id', '=', 'alocare.resursa')
    ->groupBy('resurse.id')
    ->get();
    

    And if you want to select col from both table.

    DB::table('resurse')
    ->rightJoin('alocare', 'resurse.id', '=', 'alocare.resursa')
    ->select('resurse.*','alocare.*')
    ->groupBy('resurse.id')
    ->get();
    

    And also if you want to convert your result into array.

    DB::table('resurse')
    ->rightJoin('alocare', 'resurse.id', '=', 'alocare.resursa')
    ->select('resurse.*','alocare.*')
    ->groupBy('resurse.id')
    ->get()->toArray();
    

    I'm using right join because you also need data from alocare table.

    If still something not meeting your desired, let me know.

    评论

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