CakePHP 3：关联属性名称与 table 的同名字段冲突

Question

我正在使用 CakePHP 3.2。我有两个 tables service_requests 和 coupon_history

service_requests table

CREATE TABLE `service_requests` (
  `id` char(36) NOT NULL,
  `request_id` bigint(20) NOT NULL,
  `user_id` char(36) NOT NULL,
  `user_address_id` char(36) NOT NULL,
  `service_id` char(36) NOT NULL,
  `service_area_id` char(36) NOT NULL,
  `coupon_used` int(11) NOT NULL DEFAULT '0' COMMENT '0: Not Applied; 1: Applied',
  `coupon_used_id` char(36) NOT NULL,
  `status_code` int(11) NOT NULL,
  `status` varchar(50) NOT NULL,
  `created` datetime NOT NULL,
  `modified` datetime NOT NULL
)

coupon_history table

CREATE TABLE `coupon_history` (
  `id` char(36) NOT NULL,
  `user_id` char(36) NOT NULL,
  `coupon_id` char(36) NOT NULL,
  `service_request_id` char(36) DEFAULT NULL,
  `created` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `modified` datetime NOT NULL
)

当我烘烤 service_requests table 时

bin/cake bake all service_requests

It 警告错误为

Association property name "coupon_used" clashes with field of same name of table "service_requests". You should explicitly specify the "propertyName" option. in [/var/www/html/flitfix/admin2/vendor/cakephp/cakephp/src/ORM/Association.php, line 445]

2016-07-01 07:17:32 Warning: Warning (512): Association property name "coupon_used" clashes with field of same name of table "service_requests". You should explicitly specify the "propertyName" option. in [/var/www/html/flitfix/admin2/vendor/cakephp/cakephp/src/ORM/Association.php, line 445]
Trace:
Cake\Error\BaseErrorHandler::handleError() - CORE/src/Error/BaseErrorHandler.php, line 146
Cake\ORM\Association::property() - CORE/src/ORM/Association.php, line 445
Bake\Utility\Model\AssociationFilter::filterAssociations() - ROOT/vendor/cakephp/bake/src/Utility/Model/AssociationFilter.php, line 94
Bake\Shell\Task\TemplateTask::_filteredAssociations() - ROOT/vendor/cakephp/bake/src/Shell/Task/TemplateTask.php, line 465
Bake\Shell\Task\TemplateTask::_loadController() - ROOT/vendor/cakephp/bake/src/Shell/Task/TemplateTask.php, line 295
Bake\Shell\Task\TemplateTask::main() - ROOT/vendor/cakephp/bake/src/Shell/Task/TemplateTask.php, line 147
Bake\Shell\BakeShell::Bake\Shell\{closure}() - ROOT/vendor/cakephp/bake/src/Shell/BakeShell.php, line 252
Cake\Collection\Collection::each() - CORE/src/Collection/CollectionTrait.php, line 51
Bake\Shell\BakeShell::all() - ROOT/vendor/cakephp/bake/src/Shell/BakeShell.php, line 253
Cake\Console\Shell::runCommand() - CORE/src/Console/Shell.php, line 444
Cake\Console\ShellDispatcher::_dispatch() - CORE/src/Console/ShellDispatcher.php, line 221
Cake\Console\ShellDispatcher::dispatch() - CORE/src/Console/ShellDispatcher.php, line 181
Cake\Console\ShellDispatcher::run() - CORE/src/Console/ShellDispatcher.php, line 127
[main] - ROOT/bin/cake.php, line 33

之前有 coupon_used table ，我将其重命名为 coupon_history 并删除了所有名为 coupon_used 的 controller, model and template 并尝试再次烘烤 coupon_history 但它给出了错误。我尝试了一个由作曲家创建的新项目，但同样的错误也在那里。

Answer 1

正如警告所说，字段名称 "coupon_used" 与 coupon_useds table 属性之间存在冲突，即 coupon_used。这是因为 CakePHP 的默认规则。

您应该将字段名称 "coupon_used" 或 coupun_useds table 属性更改为 service_requests table 模型中的另一个名称。

class ServiceRequests extends Table{
   ....
   //assumption if association is belongsTo
   $this->belongsTo('CouponUsed',['propertyName' => 'AnotherCouponUsed']);
   ....
}

Answer 2

请参考下文link。属性名称要这样定义。

$this->belongsTo('ProductPrices', [
    'foreignKey' => 'product_price_id',
    'className'  => 'ProductPrices',
    'propertyName' => 'prod_price'
]);

http://www.cloudypoint.com/Tutorials/discussion/cake-framework-solved-cakephp-3-querybuilder-for-associative-data/

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