索引未创建,$ text查询需要文本索引-mongoose [英] Index is not getting created, text index required for $text query - mongoose
问题描述
mongoose: 5.8.9
node: v12.13.0
设置为在架构上创建索引之后,mongoose不会创建索引,在创建新文档之后,只有ID索引没有新创建的内容.我已经完成了创建索引所提到的文档,但仍然不知道我在哪里犯错了.
After setting up to create index on the schema, mongoose doesn't create the index, After creating a new document there is only ID index nothing newly created. I had done as the document mentioned for creating index but still I can't figure out where I'm making the mistake.
何时
const ads = await Ad.find({ $text: { $search: "something" } })
错误
MongoError: text index required for $text query
at Connection.<anonymous> (/home/usama/Projects/commercial/adex/node_modules/mongoose/node_modules/mongodb/lib/core/connection/pool.js:466:61)
at Connection.emit (events.js:210:5)
at Connection.EventEmitter.emit (domain.js:476:20)
at processMessage (/home/usama/Projects/commercial/adex/node_modules/mongoose/node_modules/mongodb/lib/core/connection/connection.js:384:10)
at Socket.<anonymous> (/home/usama/Projects/commercial/adex/node_modules/mongoose/node_modules/mongodb/lib/core/connection/connection.js:553:15)
at Socket.emit (events.js:210:5)
at Socket.EventEmitter.emit (domain.js:476:20)
at addChunk (_stream_readable.js:308:12)
at readableAddChunk (_stream_readable.js:289:11)
at Socket.Readable.push (_stream_readable.js:223:10)
at TCP.onStreamRead (internal/stream_base_commons.js:182:23) {
ok: 0,
errmsg: 'text index required for $text query',
code: 27,
codeName: 'IndexNotFound',
name: 'MongoError',
[Symbol(mongoErrorContextSymbol)]: {}
}
我的模式
import { Schema } from 'mongoose'
import mongoosePaginate from 'mongoose-paginate-v2'
import Local from '../index'
const adSchema = new Schema(
{
id: Schema.Types.ObjectId,
creater: Schema.Types.ObjectId,
title: { type: String },
tags: Array,
description: { type: String, maxlength: 4500, },
},
{
timestamps: true,
versionKey: false,
autoIndex: false
}
)
adSchema.index({ title: 'text', description: 'text', tags: 'text' })
adSchema.plugin(mongoosePaginate)
const Ad = Local.model('Ad', adSchema)
export { Ad as default }
在mongo shell上
On mongo shell
> myads.getIndexes()
[
{
"v" : 2,
"key" : {
"_id" : 1
},
"name" : "_id_",
"ns" : "adex.ads"
}
]
推荐答案
下一行:
adSchema.index({ title: 'text', description: 'text', tags: 'text' })
正确地在猫鼬 schema 上定义索引(不在数据库上).默认情况下,猫鼬会在您的应用程序启动时创建索引(链接),但是您在阻止通过使用autoIndex: false
.
correctly defines an index on mongoose schema (not on a database). By default mongoose creates indexes when your application starts up (link) however you're preventing it by using autoIndex: false
.
因此,您必须删除该行或在模型上明确运行createIndexes
:
So you have to either remove that line or run createIndexes
on your model explicitly:
adSchema.index({ title: 'text', description: 'text', tags: 'text' });
const Ad = Local.model('Ad', adSchema);
Ad.createIndexes();
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