Javascript 续集不是插入行时自动递增id吗?
问题:目前,我可以使用SEQUELIZE和node api post方法在数据库表中插入一行 但是,如果我尝试使用postman发送一个新的项目对象,程序只会用id 1更新第一行 API.jsJavascript 续集不是插入行时自动递增id吗?,javascript,node.js,orm,sequelize.js,Javascript,Node.js,Orm,Sequelize.js,问题:目前,我可以使用SEQUELIZE和node api post方法在数据库表中插入一行 但是,如果我尝试使用postman发送一个新的项目对象,程序只会用id 1更新第一行 API.js router.post("/project", async (req, res, next) => { if (req.body) { // validate req.body then... const project = await ProjectService.save
router.post("/project", async (req, res, next) => {
if (req.body) {
// validate req.body then...
const project = await ProjectService.saveProject(req.body);
res.status(200).send(project);
}
});
ProjectService.js
const { Projects, sequelize } = require("../models/ProjectModel");
class ProjectService {
static async saveProject(project) {
await sequelize.sync({ force: true }); // creates the Projects row (if doesn't exist in db)
const projectBuilt = Projects.build({
CompanyID: project.CompanyID,
Name: project.Name,
ContextID: project.ContextID,
Latitude: project.Latitude,
Longitude: project.Longitude,
StateID: project.StateID,
RegionID: project.RegionID,
RadiusCovered: project.RadiusCovered,
SubRegionID: project.SubRegionID,
CommonWealth: project.CommonWealth
});
await projectBuilt.save();
console.log("\n\n Project Saved to database!");
return { project: projectBuilt };
}
}
module.exports = ProjectService;
ProjectModel.js
// var database = require("./loaders/database"); /* Database depedency */
const { Sequelize, Model, DataTypes } = require("sequelize");
const sequelize = new Sequelize("new_rps", "root", "password", {
dialect: "mysql",
dialectOptions: {
// Your mysql2 options here
}
});
const Projects = sequelize.define(
"Projects",
{
CompanyID: DataTypes.INTEGER,
Name: DataTypes.TEXT,
ContextID: DataTypes.TEXT,
Latitude: DataTypes.INTEGER,
Longitude: DataTypes.INTEGER,
StateID: DataTypes.INTEGER,
RegionID: DataTypes.INTEGER,
RadiusCovered: DataTypes.INTEGER,
SubRegionID: DataTypes.INTEGER,
CommonWealth: DataTypes.INTEGER
},
{
tableName: "Projects"
}
);
module.exports = {
Projects,
sequelize
};
我想要的是:添加新行,而不是更新id为1的第一行。在数据库中,我在表上也有自动增量供参考!有什么想法吗?
更新的型号仍不工作
const Projects = sequelize.define(
"Projects",
{
ID: {
type: DataTypes.INTEGER,
autoIncrement: true,
primaryKey: true
},
CompanyID: DataTypes.INTEGER,
Name: DataTypes.TEXT,
ContextID: DataTypes.TEXT,
Latitude: DataTypes.INTEGER,
Longitude: DataTypes.INTEGER,
StateID: DataTypes.INTEGER,
RegionID: DataTypes.INTEGER,
RadiusCovered: DataTypes.INTEGER,
SubRegionID: DataTypes.INTEGER,
CommonWealth: DataTypes.INTEGER
},
{
tableName: "Projects"
}
);
使用以下选项将id列添加到模型定义中。
通过这种方式,sequelize将知道如何生成插入行的id
id:{
类型:DataTypes.INTEGER,
自动递增:真,
primaryKey:对
}
我已经这么做了,运气不好。请检查问题部分的更新模型。有什么想法吗?请帮忙/呵呵。问题是我注释掉了这一行,它可以工作://wait sequelize.sync({force:true});//创建项目行(如果数据库中不存在)