更新mongodb中的对象数组 [英] Updating array of objects in mongodb
本文介绍了更新mongodb中的对象数组的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我正在尝试更新我的简单架构中的对象数组.当前,它将删除数据库中的所有内容并留下:
I'm trying to update an array of objects in my simple-schema. Currently, it removes everything in the database and leaves behind:
"careerHistoryPositions": []
我的简单模式如下:
const ProfileCandidateSchema = new SimpleSchema({
userId: {
type: String,
regEx: SimpleSchema.RegEx.Id
},
careerHistoryPositions: { type: Array, optional: true },
'careerHistoryPositions.$': { type: Object, optional: true },
'careerHistoryPositions.$.uniqueId': { type: String, optional: true },
'careerHistoryPositions.$.company': { type: String, optional: true },
'careerHistoryPositions.$.title': { type: String, optional: true }
});
如果console.log表单数据如下:
If console.log form data looks like:
careerHistoryPositions: [Object, Object],
0: Object
company: "Test company"
title: "Test Title"
uniqueId: 1498004350350
1: Object
company: "Test company 2"
title: "Test Title 2"
uniqueId: 149800433221
我的更新功能:
handleFormSubmit(event) {
event.preventDefault();
const { careerHistoryPositions } = this.state;
ProfileCandidate.update({ _id: this.state.profileCandidateCollectionId },
{ $set: {
careerHistoryPositions
}
}
);
}
推荐答案
我设法通过在对象上进行映射并运行2个单独的更新来解决此问题.第一个删除旧元素,第二个添加更新的版本.我敢肯定有更好的方法可以做到这一点,但是,这似乎确实可行.
I managed to fix this by mapping over my object and running 2 separate updates. The first removes the old element and the second adds the updated version. I'm sure there is a better way to do this, however, this does seem to work.
handleFormSubmit(event) {
event.preventDefault();
const { careerHistoryPositions } = this.state;
ProfileCandidate.update({_id: this.state.profileCandidateCollectionId}, { $unset: {
'careerHistoryPositions': {}
}
})
const updatePosition = this.state.careerHistoryPositions.map((position) => {
ProfileCandidate.update({_id: this.state.profileCandidateCollectionId}, { $push: {
'careerHistoryPositions': {
company: position.company,
title: position.title,
uniqueId: position.uniqueId
}
}
})
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