个人思路:先找出有苹果=2、香蕉=1的篮子,再排除掉有其他水果的篮子,得到最终结果sql如下:select t3.bucket_id from ( select t1.bucket_id from (select bucket_id from 对应表 where fruit_id = 2 and count = 2) t1 inner join (select bucket_id from 对应表 where fruit_id = 3 and count = 1...
添加.sequelizerc 'use strict';constpath=require('path');module.exports={config:path.join(__dirname,'database/config.json'),'migrations-path':path.join(__dirname,'database/migrations'),'seeders-path':path.join(__dirname,'database/seeders'),'models-path':path.join(__dirname,'app/model'...
Interested? Join our Slack and reach out to@WikiRikor@sdepold: ➡️sequelize.org/slack We’d love to have you on board! 🚀 💻 Getting Started Ready to start using Sequelize? Head tosequelize.orgto begin! Our Getting Started guide for Sequelize 6 (stable) ...
: number @HasMany(() => Workspace) createWorkspaces!: Workspace[] @BelongsToMany(() => Workspace, () => MembersInWorkspace) joinWorkspaces!: Workspace[] ... } i got a error like throw new Error(`@Column annotation is missing for "${propertyName}" of class "${target.constructor.na...
1. left join (相对于base_admin) sql: sequelize-typescript: 2. ringt join(相对于base_admin) 备注...
import{Sequelize}from'sequelize-typescript';import{App,Configuration,Config}from'@midwayjs/decorator';import{ILifeCycle,IMidwayContainer}from'@midwayjs/core';import{Application}from'egg';importdbArrayfrom'./model/index'@Configuration({imports:[...],importConfigs:[join(__dirname,'./config')],confli...
2. LEFT OUTER JOIN MySQL: SELECT`person`.`rid`,`person`.`name`,`book`.`rid`AS`book.rid`,`book`.`authorId`AS`book.authorId`FROM`person`LEFT OUTER JOIN`book`ON`person`.`rid`=`book`.`authorId`; typescript: letoptions={include:[{model:book}]}person.findAndCountAll(options).then(...
sequelize是一个基于promise的关系型数据库Node.jsORM框架,提供了支持建立model结构,连接并封装数据库操作函数等功能,而sequelize-typescript是为了支持typescript语法而基于sequelize封装的框架。 由于项目前期阶段方便db维护,应用服务启动时会调用sequelize-typescript提供的sync函数根据model结构自动同步到数据库,使用这种方式...