在迁移中设置值

'use strict';

module.exports = {
  up: async (queryInterface, Sequelize) => {
    await queryInterface.createTable('Users', {
      id: {
        allowNull: false,
        autoIncrement: true,
        primaryKey: true,
        type: Sequelize.INTEGER
      },
      username: {
        type: Sequelize.STRING,
        allowNull: false
      },
      email: {
        type: Sequelize.STRING,
        allowNull: false,
        defaultValue: 'default@example.com' // 设置默认值
      },
      createdAt: {
        allowNull: false,
        type: Sequelize.DATE
      },
      updatedAt: {
        allowNull: false,
        type: Sequelize.DATE
      }
    });

    // 插入初始数据（Seed Data）
    await queryInterface.bulkInsert('Users', [
      { username: 'user1', email: 'user1@example.com' },
      { username: 'user2', email: 'user2@example.com' }
    ], {});
  },

  down: async (queryInterface, Sequelize) => {
    await queryInterface.dropTable('Users');
  }
};

npx sequelize-cli db:migrate --debug