【发布时间】:2020-05-15 22:46:46
【问题描述】:
这是我第一次使用 PostgreSQL,我正在为 postgresql、expressjs 和 nodejs 创建一个使用 sequelize 的 REST API。
我创建了一个用户,每个用户都有很多包裹。我现在正在创建一个属于使用 userId 作为参考的用户的包裹。我不断收到数据库续集错误,但没有消息。这是例行公事,'checkInsertTarget'。
错误信息
{
"name": "SequelizeDatabaseError",
"parent": {
"name": "error",
"length": 190,
"severity": "ERROR",
"code": "42703",
"position": "48",
"file": "d:\\pginstaller.auto\\postgres.windows-x64\\src\\backend\\parser\\parse_target.c",
"line": "1033",
"routine": "checkInsertTargets",
"sql": "INSERT INTO \"Parcels\" (\"id\",\"name\",\"delivered\",\"presentLoc\",\"destination\",\"description\",\"createdAt\",\"updatedAt\",\"userId\") VALUES (DEFAULT,'Shoe',false,'Onitsha','ESUT','black shoe, size 34','2018-11-25 15:48:13.100 +00:00','2018-11-25 15:48:13.100 +00:00','3') RETURNING *;"
},
"original": {
"name": "error",
"length": 190,
"severity": "ERROR",
"code": "42703",
"position": "48",
"file": "d:\\pginstaller.auto\\postgres.windows-x64\\src\\backend\\parser\\parse_target.c",
"line": "1033",
"routine": "checkInsertTargets",
"sql": "INSERT INTO \"Parcels\" (\"id\",\"name\",\"delivered\",\"presentLoc\",\"destination\",\"description\",\"createdAt\",\"updatedAt\",\"userId\") VALUES (DEFAULT,'Shoe',false,'Onitsha','ESUT','black shoe, size 34','2018-11-25 15:48:13.100 +00:00','2018-11-25 15:48:13.100 +00:00','3') RETURNING *;"
},
"sql": "INSERT INTO \"Parcels\" (\"id\",\"name\",\"delivered\",\"presentLoc\",\"destination\",\"description\",\"createdAt\",\"updatedAt\",\"userId\") VALUES (DEFAULT,'Shoe',false,'Onitsha','ESUT','black shoe, size 34','2018-11-25 15:48:13.100 +00:00','2018-11-25 15:48:13.100 +00:00','3') RETURNING *;"
}
包裹迁移代码
'use strict';
module.exports = {
up: (queryInterface, Sequelize) => {
return queryInterface.createTable('Parcels', {
id: {
allowNull: false,
autoIncrement: true,
primaryKey: true,
type: Sequelize.INTEGER
},
name: {
type: Sequelize.STRING
},
delivered: {
type: Sequelize.BOOLEAN
},
presentLoc: {
type: Sequelize.STRING
},
destination: {
type: Sequelize.STRING
},
description: {
type: Sequelize.STRING
},
createdAt: {
allowNull: false,
type: Sequelize.DATE
},
updatedAt: {
allowNull: false,
type: Sequelize.DATE
},
userId: {
type: Sequelize.INTEGER,
onDelete: 'CASCADE',
references: {
model: 'Users',
key: 'id',
as: 'userId',
}
}
});
},
down: (queryInterface, Sequelize) => {
return queryInterface.dropTable('Parcels');
}
};
地块型号代码
'use strict';
module.exports = (sequelize, DataTypes) => {
const Parcel = sequelize.define('Parcel', {
name: {
type: DataTypes.STRING,
allowNull: false
},
delivered: {
type: DataTypes.BOOLEAN,
defaultValue: false
},
presentLoc: {
type: DataTypes.STRING,
allowNull: false
},
destination: {
type: DataTypes.STRING,
allowNull: false
},
description: DataTypes.STRING,
}, {});
Parcel.associate = (models) => {
Parcel.belongsTo(models.User, {
foreignKey: 'userId',
onDelete: 'CASCADE'
})
};
return Parcel;
};
包裹控制器
const Parcel = require('../models').Parcel;
const joiSchema = require('../joischema/parcelSchema');
const validator = require('../joischema/validator');
module.exports = {
create(req, res) {
const data = {
name: req.body.name,
description: req.body.description,
destination: req.body.destination,
presentLoc: req.body.presentLoc,
userId: req.params.userId,
};
const valid = validator.isValid(req, res, joiSchema, data);
if (valid != null){
res.status(500).send(valid);
}else{
return Parcel
.create(data)
.then(parcel => res.status(201).send(parcel))
.catch(error => res.status(400).send(error));
}
}
【问题讨论】:
-
你能手动检查你的数据库吗?错误代码 42703 表示“未定义的列”。检查您的数据库并验证这些列是否都存在。
-
谢谢。我检查了数据库,发现了一个我认为我已经删除的列。我不得不再次运行 db:migrate 以合并我的更改
标签: node.js postgresql express sequelize.js