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设置备注和标签
具体看课程演示
标签表
shell
npx sequelize migration:generate --name=tag
js
"use strict";
module.exports = {
up: async (queryInterface, Sequelize) => {
const { INTEGER, STRING, DATE, ENUM } = Sequelize;
// 创建表
await queryInterface.createTable("tag", {
id: {
type: INTEGER(20).UNSIGNED,
primaryKey: true,
autoIncrement: true,
},
name: {
type: STRING(30),
allowNull: false,
defaultValue: "",
comment: "标签名称",
},
user_id: {
type: INTEGER(20).UNSIGNED,
allowNull: false,
comment: "用户id",
// 定义外键(重要)
references: {
model: "user", // 对应表名称(数据表名称)
key: "id", // 对应表的主键
},
onUpdate: "restrict", // 更新时操作
onDelete: "cascade", // 删除时操作
},
created_at: DATE,
updated_at: DATE,
});
},
down: async (queryInterface) => {
await queryInterface.dropTable("tag");
},
};
标签好友关联表
shell
npx sequelize migration:generate --name=friend_tag
js
"use strict";
module.exports = {
up: async (queryInterface, Sequelize) => {
const { INTEGER, DATE } = Sequelize;
// 创建表
await queryInterface.createTable("friend_tag", {
id: {
type: INTEGER(20).UNSIGNED,
primaryKey: true,
autoIncrement: true,
},
friend_id: {
type: INTEGER(20).UNSIGNED,
allowNull: false,
comment: "好友id",
// 定义外键(重要)
references: {
model: "friend", // 对应表名称(数据表名称)
key: "id", // 对应表的主键
},
onUpdate: "restrict", // 更新时操作
onDelete: "cascade", // 删除时操作
},
tag_id: {
type: INTEGER(20).UNSIGNED,
allowNull: false,
comment: "标签id",
// 定义外键(重要)
references: {
model: "tag", // 对应表名称(数据表名称)
key: "id", // 对应表的主键
},
onUpdate: "restrict", // 更新时操作
onDelete: "cascade", // 删除时操作
},
created_at: DATE,
updated_at: DATE,
});
},
down: async (queryInterface) => {
await queryInterface.dropTable("friend_tag");
},
};