associations

问题 I'm using CakePHP 3.8 and migrating to the Authentication Plugin (https://book.cakephp.org/authentication/1.1/en/index.html). When calling $this->Authentication->getIdentity()->getOriginalData() in a controller, I'd like to access a couple of assocations of my User entity. At the moment, I'm doing this by implementing the following IdentityInterface method in my User entity: public function getOriginalData() { $table = TableRegistry::getTableLocator()->get($this->getSource()); $table-

问题 I am very new to Mybatis and stuck in a situation I have some questions The complete scenario is I need to read and excel file and insert the excel data in database in two different tables having primary and foreign key relationship . I am able to read the excel data and able to insert in primary table but not getting how to insert data in second table actually the problem is I have two different pojo classes having separate data for for each table two different mappers. I am achiving

问题 I have two database tables "Users" and "Transactions" where the "Transactions" table looks like below. The "Transactions" table has a record of each transaction between two accounts where the differentiator is "senderAccount" and "recipientAccount" columns. id | transactionId | senderAccount | recipientAccount | Amount | —--+---------------+---------------+------------------+--------+ 1 | ijiej33 | A | B | 100 | The relationship between "Users" and "Transactions" is one to many since every

问题 Using Sequelize with MySQL. I have three models. Consultant, FamilyMember and Appointments. Appointment refers to Consultant and FamilyMember. I have defined the foreign keys in the Appointment model. When the DB is created - the foreign keys are visible - when I check through a MySQL client, on the appointment table. The table names are freeze - so there isn't any chance of pluralization of the table names. Consultant Model: module.exports = (sequelize, DataTypes) => { const consultant =

问题 Is it possible to list all the applications on a machine that can open a specific file type, using only the files extension? for example if I have a text file (.txt), I want a list of all applications that can open .txt files. 回答1: Check out the HKEY_CLASSES_ROOT hive in your registry. It's all in there. 回答2: There is no master list of every application that can open a specific file that I am aware of. 回答3: I am assuming you are talking about Windows machines... You can only go so far as

问题 I have a belongsToMany relationship between two tables which is configured using a through table. class UsersTable extends Table { public function initialize(array $config) { $this->belongsToMany('Groups', [ 'through' => 'GroupsUsers', ]); } } class GroupsTable extends Table { public function initialize(array $config) { $this->belongsToMany('Users', [ 'through' => 'GroupsUsers', ]); } } class GroupsUsersTable extends Table { public function initialize(array $config) { $this->belongsTo('Groups

问题 I have a belongsToMany relationship between two tables which is configured using a through table. class UsersTable extends Table { public function initialize(array $config) { $this->belongsToMany('Groups', [ 'through' => 'GroupsUsers', ]); } } class GroupsTable extends Table { public function initialize(array $config) { $this->belongsToMany('Users', [ 'through' => 'GroupsUsers', ]); } } class GroupsUsersTable extends Table { public function initialize(array $config) { $this->belongsTo('Groups

问题 I have seen that in Rails (5.2.1 at least) if you have a model with a has_one association to another model, the following happens: class Car < ApplicationRecord has_one :steering_wheel end class SteeringWheel < ApplicationRecord belongs_to :car validate_presence_of :name end And I have an existing car object with a steering wheel. Then I try to build a new steering wheel like so: car.build_steering_wheel The new steering wheel I am trying to build is not valid because I did not set the name

问题 I am simplify the current project with two models. Kiosk model module.exports = function(sequelize, DataTypes) { return sequelize.define('kiosk', { id: { type: DataTypes.BIGINT, allowNull: false, primaryKey: true, autoIncrement: true }, name: { type: DataTypes.STRING(150), allowNull: false }, }, { tableName: 'kiosk', timestamps: false, underscored: true }); }; Receipt model module.exports = function(sequelize, DataTypes) { return sequelize.define('receipt', { id: { type: DataTypes.STRING(255)

问题 I am simplify the current project with two models. Kiosk model module.exports = function(sequelize, DataTypes) { return sequelize.define('kiosk', { id: { type: DataTypes.BIGINT, allowNull: false, primaryKey: true, autoIncrement: true }, name: { type: DataTypes.STRING(150), allowNull: false }, }, { tableName: 'kiosk', timestamps: false, underscored: true }); }; Receipt model module.exports = function(sequelize, DataTypes) { return sequelize.define('receipt', { id: { type: DataTypes.STRING(255)