关系"/>
如何在BookShelf.js中获取hasMany关系
我正在尝试从要约模型中获取与投资模型具有“ hasMany”关系的数据,但我总是会收到错误“必须为要约hasMany关系定义有效的目标模型”
要约型号:
const Investment = require('./investment')
const Offer = bookShelfDatabase.Model.extend({
tableName: 'offers',
investment: function() {
return this.hasMany(Investment);
}
});
module.exports = Offer;
投资模式:
const Offer = require('./offer');
const Investment = bookShelfDatabase.Model.extend({
tableName: 'investments',
offers: function () {
return this.belongsTo(Offer, 'offer_id');
}
});
module.exports = Investment;
我的服务
const offers = await new Offer({ id: 1 }).fetchAll({
withRelated: [
{
'investment': function (qb) {
qb.select("id");
},
},
],
});
回答如下:您有一个循环依赖问题。 Offer
要求Investment
,Investment
要求Offer
,这将不起作用。
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如何在BookShelf.js中获取hasMany关系
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