Question

我有一张表格如下：

| common_menus | CREATE TABLE `common_menus` (
  `menu_id` tinyint(3) unsigned NOT NULL,
  `branch_id` smallint(5) unsigned NOT NULL,
  `name` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL,
  `price` smallint(5) unsigned NOT NULL,
  `type` tinyint(3) unsigned NOT NULL COMMENT '0 - 255',
  `order` tinyint(3) unsigned NOT NULL,
  `created_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  `updated_at` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
  `deleted_at` timestamp NULL DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci |

该表对应的模型如下：

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;

class Menu extends Model
{
  use SoftDeletes;
  const TABLE = 'common_menus';

  const MENU_ID = 'menu_id';
  const BRANCH_ID = 'branch_id';
  const NAME = 'name';
  const PRICE = 'price';
  const TYPE = 'type';
  const ORDER = 'order';

  const TABLE_MENU_ID = self::TABLE . '.' . self::MENU_ID;
  const TABLE_BRANCH_ID = self::TABLE . '.' . self::BRANCH_ID;
  const TABLE_NAME = self::TABLE . '.' . self::NAME;
  const TABLE_PRICE = self::TABLE . '.' . self::PRICE;
  const TABLE_TYPE = self::TABLE . '.' . self::TYPE;
  const TABLE_ORDER = self::TABLE . '.' . self::ORDER;

  protected $table = self::TABLE;
  protected $dates = ['deleted_at'];
  protected $fillable = [self::MENU_ID, self::BRANCH_ID, self::NAME, self::PRICE, self::TYPE, self::ORDER];

  const STANDARD_MENU = 1;
  const COMBO_MENU = 2;
  const OPTION_MENU = 3;

  // static methods follows

}

当调用删除模型的方法时，我遇到了如下错误：

QueryException in Connection.php line 651:
SQLSTATE[42S22]: Column not found: 1054 Unknown column 'id' in 'where clause' (SQL: update `common_menus` set `deleted_at` = 2016-03-29 14:01:01 where `id` is null)

我发现只要表没有主键，我就应该声明如下。

  protected $primaryKey = null;

好的，我也有不同但相似的表格如下：

| common_therapists | CREATE TABLE `common_therapists` (
  `therapist_id` int(10) unsigned NOT NULL COMMENT '0 - 4294967295',
  `branch_id` smallint(5) unsigned NOT NULL,
  `name` varchar(63) COLLATE utf8mb4_unicode_ci NOT NULL,
  `has_license` tinyint(1) unsigned DEFAULT NULL,
  `lmt` varchar(5) COLLATE utf8mb4_unicode_ci NOT NULL,
  `created_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  `updated_at` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
  `deleted_at` timestamp NULL DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci |

该表对应的模型如下：

<?php

namespace App;

use DB;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;

class Therapist extends Model
{
  use SoftDeletes;
  const TABLE = 'common_therapists';
//  const KEY = 'therapist_id';
//  const THERAPIST_ID = self::KEY;
  const THERAPIST_ID = 'therapist_id';
  const TABLE_THERAPIST_ID = self::TABLE . '.' . self::THERAPIST_ID;
  const BRANCH_ID = 'branch_id';
  const TABLE_BRANCH_ID = self::TABLE . '.' . self::BRANCH_ID;
  const NAME = 'name';
  const TABLE_THERAPIST_NAME = self::TABLE . '.' . self::NAME;
  const DELETED_AT = 'deleted_at';
  const MASSSAGE_THERAPIST = 0;
  const LICENSED_MASSAGE_THERAPIST = 1;

  protected $table = self::TABLE;
//  protected $primaryKey = self::KEY;
  protected $dates = ['deleted_at'];
  protected $perPage = 10;
  protected $fillable = ['therapist_id', 'branch_id', 'name', 'has_license', 'lmt'];

  // static methods follows
}

在此模型和表具有主键之前，但由于需求更改而将其删除。

治疗师的表和模型完全有效，即使它没有主键声明。

我的问题是表格和菜单模型是否有问题，或治疗师的表格和模型是否有误？

请说明问题或我的误解。提前谢谢。

任何人都可以建议我在表没有主键时如何对待

0 个答案: