Javascript Sequelize js orm播种器用于多个关系表
我将为帖子的初始数据加载对seed进行续集。我可以通过创建seedfile.js来为多个表进行续集。但是我无法自动处理表之间的关系Javascript Sequelize js orm播种器用于多个关系表,javascript,node.js,postgresql,seed,sequelize-cli,Javascript,Node.js,Postgresql,Seed,Sequelize Cli,我将为帖子的初始数据加载对seed进行续集。我可以通过创建seedfile.js来为多个表进行续集。但是我无法自动处理表之间的关系 // user_seeds.js up: function (queryInterface, Sequelize) { return queryInterface.bulkInsert(table, [{ uid: 1, //primary key autogenerated name: 'John doe',
// user_seeds.js
up: function (queryInterface, Sequelize) {
return queryInterface.bulkInsert(table, [{
uid: 1, //primary key autogenerated
name: 'John doe',
email: 'john@doe.com',
created_at,
updated_at
}], {});
// roles_seeds.js
up: function (queryInterface, Sequelize) {
return queryInterface.bulkInsert(table, [{
uid: 1, //this should be comes from user table to this filed automatically after the creation of first record in user table
name: 'admin',
email: 'john@doe.com',
created_at,
updated_at
}, {
id: 2,
name: 'user',
created_at,
updated_at
}]);
如何将主键作为外键自动传递到另一个表,而无需硬编码。为此,您必须使用一个播种机,同时使用
returning=true
。下面是一个例子。在某些地方,您可能需要使用sequelize模型,而不是直接queryInterface
// user_and_role_seeds.js
up: function (queryInterface, Sequelize) {
return UserModel.bulkCreate([{
uid: 1, // primary key autogenerated
name: 'John doe',
email: 'john@doe.com',
created_at,
updated_at
}], {returning: true}).then(function(users){
return queryInterface.bulkInsert(table, [{
uid: users[0].uid, // Here you use users items
name: 'admin',
email: 'john@doe.com',
created_at,
updated_at
}, {
id: users[1].uid,
name: 'user',
created_at,
updated_at
}]);
});
}
- 续集版本:4.x
- 博士后版本:11.x
returning=true
。下面是一个例子。在某些地方,您可能需要使用sequelize模型,而不是直接queryInterface
// user_and_role_seeds.js
up: function (queryInterface, Sequelize) {
return UserModel.bulkCreate([{
uid: 1, // primary key autogenerated
name: 'John doe',
email: 'john@doe.com',
created_at,
updated_at
}], {returning: true}).then(function(users){
return queryInterface.bulkInsert(table, [{
uid: users[0].uid, // Here you use users items
name: 'admin',
email: 'john@doe.com',
created_at,
updated_at
}, {
id: users[1].uid,
name: 'user',
created_at,
updated_at
}]);
});
}
- 续集版本:4.x
- 博士后版本:11.x