对象上的mongodb文本搜索

Question

我正在下面我的模型中的location 对象上对我的 API 设置 mongo db 测试搜索。 尝试在数据库中设置文本搜索时出现错误，如下所示。请问可能是什么问题？

const mongoose = require('mongoose')

const placeSchema = new mongoose.Schema({
    owner: {
        type: mongoose.Schema.Types.ObjectId,
        required: true,
        ref: 'User'
    },
    location: {
        country: {
            type: String,
            required: true,
        },
        street: {
            type: String,
            required: true,
        },
        city: {
            type: String,
            required: true,
        },
        state: {
            type: String,
            required: true,
        },
        zip: {
            type: String,
            required: true,
        }
    },
    price: {
        currency: {
            type: String,
            required: true
        },
        amount: {
            type: Number,
            required: true
        }
    }
    img: {
        type: Boolean,
        required: false,
        default: false
    },
    phone: {
        code: {
            type: String,
            required: true
        },
        number: {
            type: String,
            required: true,
        }
    },
})

placeSchema.index({ location.country: 'text', location.street: 'text', location.city: 'text', location.state: 'text', location.zip: 'text' })


const Place = mongoose.model('Place', placeSchema)

module.exports = Place

Answer 1

你应该试试这个辅助函数。

您可以将搜索词作为第一个参数传递，将搜索字段数组作为第二个参数传递。

module.exports.searchHelper = function (searchWord, fields) {
    let orArr = [];
    let search = searchFiled.split(" ");
    fields.forEach((element1) => {
        search.forEach((element) => {
            orArr.push({ [element1]: { $regex: new RegExp(element, "i") } });
        });
    });
    return { $match: { $or: orArr } };
};

现在你必须在管道中聚合它：

let fieldsArray = ['location.country','location.city','location.state'] //as per your need

let pipeline = [];

pipeline.push(searchHelper(searchWord, fieldsArray));

const results = await Place.aggregate(pipeline);