javascript - Sequelize迁移错误: Cannot read property 'length' of undefined

Question

这是我遵循的教程:https://medium.com/@prajramesh93/getting-started-with-node-express-and-mysql-using-sequelize-ed1225afc3e0

这是使用 express + mysql 的 node js 项目，我在其中使用 ORM Sequelize。

尝试运行 sequelize db:migrate 时出现此错误

'use strict';
module.exports = {
  up: (queryInterface, Sequelize) => {
    return queryInterface.createTable('Employees', {
      id: {
        allowNull: false,
        autoIncrement: true,
        primaryKey: true,
        type: Sequelize.INTEGER
      },
      name: {
        type: Sequelize.STRING
      },
      designation: {
        type: Sequelize.STRING
      },
      salary: {
        type: Sequelize.NUMBER
      },
      createdAt: {
        allowNull: false,
        type: Sequelize.DATE
      },
      updatedAt: {
        allowNull: false,
        type: Sequelize.DATE
      },
      companyId: {
        type: Sequelize.NUMBER,
        onDelete: 'CASCADE',
        references: {
          model: 'Companies',
          key: 'id',
          as: 'companyId',
        }
      }
    });
  },
  down: (queryInterface, Sequelize) => {
    return queryInterface.dropTable('Employees');
  }
};

Answer 1

问题出在 NUMBER 数据类型上。在 Sequelize 的 DataTypes 列表中找不到哪个 ( https://sequelize.org/master/manual/model-basics.html#data-types )

更改以下内容:

salary: {
            type: Sequelize.NUMBER
        }

到:

salary: {
            type: Sequelize.DECIMAL(10, 2)
        }

还要记得更新模型相关的数据类型。