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Laravel Eloquent Select CASE?


Is there anyone with experience in PHP & Laravel Eloquent who can help me resolve this statement? I'm trying to inject a CASE... WHEN.. END... inside a raw() method. It seemed like it was completely ignored. The existing documentation hasn't been . I've tried several different things to no prevail. I'm trying to pull this off:

SELECT shares.id, ..., 
   CASE WHEN users.id = <CurrentUser> THEN 1 ELSE 0 END AS is_user, 
   ...
FROM <table>
...

The source code is below:

$shares = Share::where('shares.status', '=', SHARE_STATUS_APPROVED)
                    ->where('shares.deleted', '=', '0')
                    ->where('locations.lat', '<=', $nelat)
                    ->where('locations.lat', '>=', $swlat)
                    ->where('locations.lng', '>=', $nelng)
                    ->where('locations.lng', '<=',  $swlng)
                    ->where('users.id', '=',  $user)
                    ->orWhere('shares.connected_user_id', '=',  $user)
                    ->join('users', 'shares.user_id', '=', 'users.id')
                    ->join('locations', 'locations.id', '=', 'users.location_id')
                    ->join('provinces', 'provinces.id', '=', 'locations.province_id')
                    ->join('countries', 'countries.id', '=', 'locations.country_id')
                    ->select('shares.id AS share_id', 'users.id AS user_id', 'shares.connected_user_id', 'shares.original_language_id', 'shares.image',
                        'users.first_name', 'users.last_name', 'users.email',
                        'locations.city', 'provinces.name', 'countries.code',
                        'locations.lat', 'locations.lng',
                        'shares.created_at')
                    ->raw('(CASE WHEN users.id = ' . $user . ' THEN 1 ELSE 0 END) AS is_user')
                    ->orderBy('shares.created_at', 'desc')
                    ->orderBy('users.id', 'asc')
                    ->orderBy('shares.connected_user_id', 'asc')
                    ->get();

Solution

  • Move your raw() call inside the SELECT statement:

    ->select('shares.id AS share_id', 'users.id AS user_id', 'shares.connected_user_id',    
      'shares.original_language_id', 'shares.image',
      'users.first_name', 'users.last_name', 'users.email',
      'locations.city', 'provinces.name', 'countries.code',
      'locations.lat', 'locations.lng',
      'shares.created_at',
      DB::raw('(CASE WHEN users.id = ' . $user . ' THEN 1 ELSE 0 END) AS is_user')
      )
    ->orderBy('shares.created_at', 'desc')
    

    From: https://laravel.com/docs/5.4/queries#raw-expressions