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SQL查詢我無法使用Query Builder來寫laravel這個查詢:如何運行左外連接在laravel
```
SELECT pt.name, IF(up.permission_id IS NULL,'false','true') permission
FROM mercuri_permission_type pt
LEFT OUTER JOIN mercuri_user_permission up
ON pt.id = up.permission_id AND up.user_id = $user_id
```
....以及你已經嘗試? – itachi 2015-03-02 08:25:49