Node.js Sequelize关联存在于pgAdmin中,但在查询期间它会一直查找未知列
一段时间以来,我一直在努力让我的联想正常运作。我有一个拍卖模型和一个出价模型,拍卖模型有很多出价。拍卖中有一个外键BidId,它链接到出价中的bid_id Auction.jsNode.js Sequelize关联存在于pgAdmin中,但在查询期间它会一直查找未知列,node.js,sequelize.js,pgadmin,Node.js,Sequelize.js,Pgadmin,一段时间以来,我一直在努力让我的联想正常运作。我有一个拍卖模型和一个出价模型,拍卖模型有很多出价。拍卖中有一个外键BidId,它链接到出价中的bid_id Auction.js const Sequelize = require('sequelize'); const sequelize = require('../config/database'); const User = require('./User'); const Status = require('./Status'); con
const Sequelize = require('sequelize');
const sequelize = require('../config/database');
const User = require('./User');
const Status = require('./Status');
const Vehicle = require('./Vehicles')
const Bids = require('./Bids');
const tableName = 'Auctions';
const Auction = sequelize.define('Auctions', {
auc_id: {
type: Sequelize.UUID,
defaultValue: Sequelize.UUIDV4, // generate the UUID automatically
primaryKey: true,
},
features: {
type: Sequelize.JSONB,
},
bid_amount: {
type:Sequelize.STRING
},
BidId: {
type: Sequelize.INTEGER
}
});
module.exports = Auction
Bids.js
const Sequelize = require('sequelize');
// const resolver = require('graphql-sequelize');
const sequelize = require('../config/database');
const Auction = require('./Auction');
const tableName = 'bids';
const Bids = sequelize.define('Bids', {
bid_id: {
type: Sequelize.INTEGER,
autoIncrement: true,
primaryKey: true
},
createdAt: {
type: Sequelize.DATE,
// defaultValue: Sequelize.NOW
},
updatedAt: {
type: Sequelize.DATE,
defaultValue: Sequelize.NOW,
},
amount: {
type: Sequelize.INTEGER
},
bid_amount: {
type:Sequelize.STRING
},
bid_no: {
type: Sequelize.UUID,
defaultValue: Sequelize.UUIDV4,
},
},
{tableName})
Bids.hasOne(Auction, {foreignKey: 'BidId'}) // Bids is the source, Auction is the target
Auction.hasMany(Bids);
module.exports = Bids
当我使用以下查询时:
const findbidonaction=>{Auction.findAll{where:{BidId:1},包括:[{model:Bids}]}。thendata=>console.logresult,data}
我收到错误:未处理的拒绝SequelizeDatabaseError:列GSMBids.GSMAuctionAucId不存在
我不知道GSMBids.GSMAuctionAucId应该来自哪里,我假设Sequelize在使用关联时默认需要一个具有该名称的列,但这没有意义,因为我定义了专门链接的列。看起来它试图链接auc_id,但我不想这样
编辑:如果我切换查询并执行以下操作:
const findbidonaction=>{Bids.findAll{where:{bid_id:1},包括:[{model:Auction}]}。thendata=>console.logresult,data}
我收到未处理的拒绝SequelizeAgerLoadingError:GSMAAction未与GSMBID关联 我怀疑Sequelize不知道拍卖中的哪个字段与出价相关。您可以尝试:
Auction.hasMany(Bids,
{
sourceKey : "BidId", // auction
foreignKey: "bid_id" // bids
});
即使错误不再发生,也要检查生成的SQL并确保连接正确