我正在使用 sequelize 5.21.2
我有一个用户模型:
'use strict';
module.exports = (sequelize, Sequelize) => {
const users = sequelize.define('users', {
id: {
type: Sequelize.INTEGER,
primaryKey: true,
autoIncrement: true,
allowNull: false
},
firstname: {
type: Sequelize.STRING,
allowNull: false,
},{
timestamp: true,
logging: console.log,
});
users.associate = function(models) {
models.users.hasMany(models.messages);
};
return users;
};
消息模型:
'use strict';
module.exports = (sequelize, Sequelize) => {
const messages = sequelize.define('messages', {
id: {
type: Sequelize.INTEGER,
primaryKey: true,
autoIncrement: true,
allowNull: false
},
message:{
type: Sequelize.TEXT,
allowNull: false
}
}, {
timestamp: true,
logging: console.log,
scopes:{
withUser:{
include: [
{
model: sequelize.models.users
}
]
}
}
});
messages.associate = function(models) {
models.messages.belongsTo(models.users);
};
return messages;
};
我的 Controller :
const db = require('../models');
const Messages = db.messages
exports.getOneMessage = (req, res) =>{
Messages.scope(['withUser']).findByPk(req.query.id).then(message => {
res.status(200).json({
"description": "getOne - " + req.query.id,
"message": message
});
}).catch(err => {
res.status(500).json({
"description": "Can not access",
"error": err
});
});
};
我有这个错误:
Error: Include unexpected. Element has to be either a Model, an Association or an object.
我究竟做错了什么?
最佳答案
似乎问题来自范围......
如果我将包含在 Controller 本身中,一切都是正确的。
我在我的项目中使用了很多范围,但唯一给我带来麻烦的是用户模型......我不知道为什么。
const db = require('../models');
const Messages = db.messages
const Users = db.users
exports.getOneMessage = (req, res) =>{
Messages.findByPk(req.query.id, {include:[Users]}).then(message => {
res.status(200).json({
"description": "getOne - " + req.query.id,
"message": message
});
}).catch(err => {
res.status(500).json({
"description": "Can not access",
"error": err
});
});
};
关于node.js - Sequelize include 不适用于关联表,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/59512133/